mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
merge
mysql-test/r/fulltext.result: Auto merged mysql-test/r/func_group.result: Auto merged mysql-test/t/fulltext.test: Auto merged sql/item.cc: Auto merged sql/item.h: Auto merged sql/item_cmpfunc.cc: Auto merged sql/item_func.cc: Auto merged sql/item_func.h: Auto merged sql/item_timefunc.cc: Auto merged sql/mysql_priv.h: Auto merged sql/sql_lex.cc: Auto merged sql/sql_lex.h: Auto merged sql/sql_parse.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_select.h: Auto merged sql/sql_show.cc: Auto merged sql/sql_yacc.yy: Auto merged
This commit is contained in:
@ -112,6 +112,11 @@ insert into t1 set i = null;
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select last_insert_id();
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last_insert_id()
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255
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explain extended select last_insert_id();
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select high_priority no_cache 255 AS `last_insert_id()`
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insert into t1 set i = 254;
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ERROR 23000: Duplicate entry '254' for key 1
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select last_insert_id();
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@ -3,4 +3,9 @@ create table t1(n int not null, key(n)) delay_key_write = 1;
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select count(distinct n) from t1;
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count(distinct n)
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100
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explain extended select count(distinct n) from t1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL n 4 NULL 200 Using index
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Warnings:
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Note 1003 select high_priority count(distinct test.t1.n) AS `count(distinct n)` from test.t1
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drop table t1;
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@ -23,6 +23,11 @@ false
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select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
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CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END
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one
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explain extended select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select high_priority (case 1 when 1 then _latin1'one' when 2 then _latin1'two' else _latin1'more' end) AS `CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END`
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select CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END;
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CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END
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two
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@ -57,6 +62,11 @@ fcase count(*)
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0 2
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2 1
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3 1
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explain extended select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
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Warnings:
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Note 1003 select high_priority (case test.t1.a when 1 then 2 when 2 then 3 else 0 end) AS `fcase`,count(0) AS `count(*)` from test.t1 group by (case test.t1.a when 1 then 2 when 2 then 3 else 0 end)
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select case a when 1 then "one" when 2 then "two" else "nothing" end as fcase, count(*) from t1 group by fcase;
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fcase count(*)
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nothing 2
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@ -122,6 +132,14 @@ CREATE TABLE t1 SELECT
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COALESCE(1), COALESCE(1.0),COALESCE('a'),
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COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
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COALESCE('a' COLLATE latin1_bin,'b');
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explain extended SELECT
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COALESCE(1), COALESCE(1.0),COALESCE('a'),
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COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
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COALESCE('a' COLLATE latin1_bin,'b');
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select high_priority coalesce(1) AS `COALESCE(1)`,coalesce(1.0) AS `COALESCE(1.0)`,coalesce(_latin1'a') AS `COALESCE('a')`,coalesce(1,1.0) AS `COALESCE(1,1.0)`,coalesce(1,_latin1'1') AS `COALESCE(1,'1')`,coalesce(1.1,_latin1'1') AS `COALESCE(1.1,'1')`,coalesce((_latin1'a' collate _latin1'latin1_bin'),_latin1'b') AS `COALESCE('a' COLLATE latin1_bin,'b')`
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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@ -16,6 +16,11 @@ cast(-5 as unsigned) -1 cast(-5 as unsigned) + 1
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select ~5, cast(~5 as signed);
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~5 cast(~5 as signed)
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18446744073709551610 -6
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explain extended select ~5, cast(~5 as signed);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select high_priority ~(5) AS `~5`,cast(~(5) as signed) AS `cast(~5 as signed)`
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select cast(5 as unsigned) -6.0;
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cast(5 as unsigned) -6.0
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-1.0
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@ -521,6 +521,11 @@ character_set_client latin1
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SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
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charset('a') collation('a') coercibility('a') 'a'='A'
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latin1 latin1_swedish_ci 3 1
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explain extended SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select high_priority charset(_latin1'a') AS `charset('a')`,collation(_latin1'a') AS `collation('a')`,coercibility(_latin1'a') AS `coercibility('a')`,(_latin1'a' = _latin1'A') AS `'a'='A'`
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SET CHARACTER SET koi8r;
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SHOW VARIABLES LIKE 'collation_client';
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Variable_name Value
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@ -340,6 +340,129 @@ CYR CAPIT SOFT SIGN
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CYR CAPIT E <09> <09>
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CYR CAPIT YU <09> <09>
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CYR CAPIT YA <09> <09>
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select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
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CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci') comment
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a LAT SMALL A
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b LAT SMALL B
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c LAT SMALL C
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d LAT SMALL D
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e LAT SMALL E
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f LAT SMALL F
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g LAT SMALL G
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h LAT SMALL H
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i LAT SMALL I
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j LAT SMALL J
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k LAT SMALL K
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l LAT SMALL L
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m LAT SMALL M
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n LAT SMALL N
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o LAT SMALL O
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p LAT SMALL P
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q LAT SMALL Q
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r LAT SMALL R
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s LAT SMALL S
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t LAT SMALL T
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u LAT SMALL U
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v LAT SMALL V
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w LAT SMALL W
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x LAT SMALL X
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y LAT SMALL Y
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z LAT SMALL Z
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A LAT CAPIT A
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B LAT CAPIT B
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C LAT CAPIT C
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D LAT CAPIT D
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E LAT CAPIT E
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F LAT CAPIT F
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G LAT CAPIT G
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H LAT CAPIT H
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I LAT CAPIT I
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J LAT CAPIT J
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K LAT CAPIT K
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L LAT CAPIT L
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M LAT CAPIT M
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N LAT CAPIT N
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O LAT CAPIT O
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P LAT CAPIT P
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Q LAT CAPIT Q
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R LAT CAPIT R
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S LAT CAPIT S
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T LAT CAPIT T
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U LAT CAPIT U
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V LAT CAPIT V
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W LAT CAPIT W
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X LAT CAPIT X
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Y LAT CAPIT Y
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Z LAT CAPIT Z
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<EFBFBD> CYR SMALL A
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<EFBFBD> CYR SMALL BE
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<EFBFBD> CYR SMALL VE
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<EFBFBD> CYR SMALL GE
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<EFBFBD> CYR SMALL DE
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<EFBFBD> CYR SMALL IE
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? CYR SMALL IO
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<EFBFBD> CYR SMALL ZHE
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<EFBFBD> CYR SMALL ZE
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<EFBFBD> CYR SMALL I
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<EFBFBD> CYR SMALL KA
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<EFBFBD> CYR SMALL EL
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<EFBFBD> CYR SMALL EM
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<EFBFBD> CYR SMALL EN
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<EFBFBD> CYR SMALL O
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<EFBFBD> CYR SMALL PE
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<EFBFBD> CYR SMALL ER
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<EFBFBD> CYR SMALL ES
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<EFBFBD> CYR SMALL TE
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<EFBFBD> CYR SMALL U
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<EFBFBD> CYR SMALL EF
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<EFBFBD> CYR SMALL HA
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<EFBFBD> CYR SMALL TSE
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<EFBFBD> CYR SMALL CHE
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<EFBFBD> CYR SMALL SHA
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<EFBFBD> CYR SMALL SCHA
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<EFBFBD> CYR SMALL HARD SIGN
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<EFBFBD> CYR SMALL YERU
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<EFBFBD> CYR SMALL SOFT SIGN
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<EFBFBD> CYR SMALL E
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<EFBFBD> CYR SMALL YU
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<EFBFBD> CYR SMALL YA
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<EFBFBD> CYR CAPIT A
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<EFBFBD> CYR CAPIT BE
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<EFBFBD> CYR CAPIT VE
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<EFBFBD> CYR CAPIT GE
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<EFBFBD> CYR CAPIT DE
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<EFBFBD> CYR CAPIT IE
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? CYR CAPIT IO
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<EFBFBD> CYR CAPIT ZHE
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<EFBFBD> CYR CAPIT ZE
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<EFBFBD> CYR CAPIT I
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<EFBFBD> CYR CAPIT KA
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<EFBFBD> CYR CAPIT EL
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<EFBFBD> CYR CAPIT EM
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<EFBFBD> CYR CAPIT EN
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<EFBFBD> CYR CAPIT O
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<EFBFBD> CYR CAPIT PE
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<EFBFBD> CYR CAPIT ER
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<EFBFBD> CYR CAPIT ES
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<EFBFBD> CYR CAPIT TE
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<EFBFBD> CYR CAPIT U
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<EFBFBD> CYR CAPIT EF
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<EFBFBD> CYR CAPIT HA
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<EFBFBD> CYR CAPIT TSE
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<EFBFBD> CYR CAPIT CHE
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<EFBFBD> CYR CAPIT SHA
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<EFBFBD> CYR CAPIT SCHA
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<EFBFBD> CYR CAPIT HARD SIGN
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<EFBFBD> CYR CAPIT YERU
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<EFBFBD> CYR CAPIT SOFT SIGN
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<EFBFBD> CYR CAPIT E
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<EFBFBD> CYR CAPIT YU
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<EFBFBD> CYR CAPIT YA
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explain extended select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 116
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Warnings:
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Note 1003 select high_priority convert(test.t1.koi8_ru_f,_latin1'utf8_general_ci',_latin1'cp1251_general_ci') AS `CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci')`,test.t1.comment AS `comment` from test.t1
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ALTER TABLE t1 ADD bin_f CHAR(32) BYTE NOT NULL;
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UPDATE t1 SET bin_f=koi8_ru_f;
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SELECT COUNT(DISTINCT bin_f),COUNT(DISTINCT koi8_ru_f),COUNT(DISTINCT utf8_f) FROM t1;
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|
@ -47,6 +47,9 @@ locate(_utf8 0xD091, _utf8 0xD0B0D0B1D0B2 collate utf8_bin)
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select locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2 collate utf8_bin);
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locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2 collate utf8_bin)
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0
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select length(_utf8 0xD0B1), bit_length(_utf8 0xD0B1), char_length(_utf8 0xD0B1);
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length(_utf8 0xD0B1) bit_length(_utf8 0xD0B1) char_length(_utf8 0xD0B1)
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2 16 1
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select 'a' like 'a';
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'a' like 'a'
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1
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@ -155,3 +155,8 @@ a
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select get_format(DATETIME, 'eur') as a;
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a
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%Y-%m-%d-%H.%i.%s
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explain extended select makedate(1997,1), addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM"),cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME), maketime(23,11,12),microsecond("1997-12-31 23:59:59.000001");
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
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||||
Warnings:
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Note 1003 select high_priority makedate(1997,1) AS `makedate(1997,1)`,addtime(_latin1'31.12.97 11.59.59.999999 PM',_latin1'31.12.97 11.59.59.999999 PM') AS `addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")`,subtime(_latin1'31.12.97 11.59.59.999999 PM',_latin1'31.12.97 11.59.59.999999 PM') AS `subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")`,timediff(_latin1'01.01.97 11:59:59.000001 PM',_latin1'31.12.95 11:59:59.000002 PM') AS `timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM")`,cast(str_to_date(_latin1'15-01-2001 12:59:59',_latin1'%d-%m-%Y %H:%i:%S') as time) AS `cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME)`,maketime(23,11,12) AS `maketime(23,11,12)`,microsecond(_latin1'1997-12-31 23:59:59.000001') AS `microsecond("1997-12-31 23:59:59.000001")`
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||||
|
@ -227,6 +227,4 @@ id select_type table type possible_keys key key_len ref rows Extra
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||||
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 THEMAX.E2 1 Using where
|
||||
2 DERIVED t1 ALL NULL NULL NULL NULL 2 Using where
|
||||
3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where
|
||||
Warnings:
|
||||
Note 1275 Field or reference 'A.E2' of SELECT #3 was resolved in SELECT #2
|
||||
drop table t1;
|
||||
|
@ -9,6 +9,11 @@ select * from t1 where MATCH(a,b) AGAINST ("collections");
|
||||
a b
|
||||
Only MyISAM tables support collections
|
||||
Full-text indexes are called collections
|
||||
explain extended select * from t1 where MATCH(a,b) AGAINST ("collections");
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 fulltext a a 0 1 Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 where (match test.t1.a,test.t1.b against (_latin1'collections'))
|
||||
select * from t1 where MATCH(a,b) AGAINST ("indexes");
|
||||
a b
|
||||
Full-text indexes are called collections
|
||||
@ -65,6 +70,11 @@ id select_type table type possible_keys key key_len ref rows Extra
|
||||
select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
|
||||
a b
|
||||
MySQL has now support for full-text search
|
||||
explain extended select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 fulltext a a 0 1 Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 where (match test.t1.a,test.t1.b against (_latin1'support -collections' in boolean mode))
|
||||
select * from t1 where MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE);
|
||||
a b
|
||||
MySQL has now support for full-text search
|
||||
|
@ -7,9 +7,19 @@ length(@test_compress_string)
|
||||
select uncompress(compress(@test_compress_string));
|
||||
uncompress(compress(@test_compress_string))
|
||||
string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
|
||||
explain extended select uncompress(compress(@test_compress_string));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache uncompress(compress((@test_compress_string))) AS `uncompress(compress(@test_compress_string))`
|
||||
select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
|
||||
uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)
|
||||
1
|
||||
explain extended select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache (uncompressed_length(compress((@test_compress_string))) = length((@test_compress_string))) AS `uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)`
|
||||
select uncompressed_length(compress(@test_compress_string));
|
||||
uncompressed_length(compress(@test_compress_string))
|
||||
117
|
||||
|
18
mysql-test/r/func_default.result
Normal file
18
mysql-test/r/func_default.result
Normal file
@ -0,0 +1,18 @@
|
||||
drop table if exists t1,t2;
|
||||
create table t1(str varchar(10) default 'def',strnull varchar(10),intg int default '10',rel double default '3.14');
|
||||
insert into t1 values ('','',0,0.0);
|
||||
select default(str), default(strnull), default(intg), default(rel) from t1;
|
||||
default(str) default(strnull) default(intg) default(rel)
|
||||
def NULL 10 3.14
|
||||
explain extended select default(str), default(strnull), default(intg), default(rel) from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 system NULL NULL NULL NULL 1
|
||||
Warnings:
|
||||
Note 1003 select high_priority default(test.t1.str) AS `default(str)`,default(test.t1.strnull) AS `default(strnull)`,default(test.t1.intg) AS `default(intg)`,default(test.t1.rel) AS `default(rel)` from test.t1
|
||||
select * from t1 where str <> default(str);
|
||||
str strnull intg rel
|
||||
0 0
|
||||
explain select * from t1 where str <> default(str);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 system NULL NULL NULL NULL 1
|
||||
drop table t1;
|
@ -14,6 +14,11 @@ grp group_concat(c)
|
||||
1 a
|
||||
2 b,c
|
||||
3 E,C,D,d,d,D
|
||||
explain extended select grp,group_concat(c) from t1 group by grp;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 9 Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.grp AS `grp`,group_concat(test.t1.c seperator ',') AS `group_concat(c)` from test.t1 group by test.t1.grp
|
||||
select grp,group_concat(a,c) from t1 group by grp;
|
||||
grp group_concat(a,c)
|
||||
1 1a
|
||||
@ -79,6 +84,11 @@ grp group_concat(distinct c order by c desc)
|
||||
1 a
|
||||
2 c,b
|
||||
3 E,D,C
|
||||
explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 9 Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.grp AS `grp`,group_concat(distinct test.t1.c order by test.t1.c seperator ',') AS `group_concat(distinct c order by c desc)` from test.t1 group by test.t1.grp
|
||||
select grp,group_concat(c order by c separator ",") from t1 group by grp;
|
||||
grp group_concat(c order by c separator ",")
|
||||
1 a
|
||||
@ -94,6 +104,11 @@ grp group_concat(distinct c order by c separator ",")
|
||||
1 a
|
||||
2 b,c
|
||||
3 C,D,E
|
||||
explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 9 Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.grp AS `grp`,group_concat(distinct test.t1.c order by test.t1.c seperator ',') AS `group_concat(distinct c order by c separator ",")` from test.t1 group by test.t1.grp
|
||||
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
|
||||
grp group_concat(distinct c order by c desc separator ",")
|
||||
1 a
|
||||
|
@ -597,11 +597,16 @@ a count(b) sum(b) avg(b) std(b) min(b) max(b) bit_and(b) bit_or(b)
|
||||
1 0 NULL NULL NULL NULL NULL 0 0
|
||||
2 1 1 1.0000 0.0000 1 1 0 1
|
||||
3 1 1 1.0000 0.0000 1 1 1 1
|
||||
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
|
||||
a count(b) sum(b) avg(b) std(b) min(b) max(b) bit_and(b) bit_or(b)
|
||||
1 0 NULL NULL NULL NULL NULL 18446744073709551615 0
|
||||
2 1 1 1.0000 0.0000 1 1 1 1
|
||||
3 1 1 1.0000 0.0000 1 1 1 1
|
||||
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
|
||||
a count(b) sum(b) avg(b) std(b) min(b) max(b) bit_and(b) bit_or(b) bit_xor(b)
|
||||
1 0 NULL NULL NULL NULL NULL 18446744073709551615 0 0
|
||||
2 1 1 1.0000 0.0000 1 1 1 1 1
|
||||
3 1 1 1.0000 0.0000 1 1 1 1 1
|
||||
explain extended select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority big_result test.t1.a AS `a`,count(test.t1.b) AS `count(b)`,sum(test.t1.b) AS `sum(b)`,avg(test.t1.b) AS `avg(b)`,std(test.t1.b) AS `std(b)`,min(test.t1.b) AS `min(b)`,max(test.t1.b) AS `max(b)`,bit_and(test.t1.b) AS `bit_and(b)`,bit_or(test.t1.b) AS `bit_or(b)`,bit_xor(test.t1.b) AS `bit_xor(b)` from test.t1 group by test.t1.a
|
||||
drop table t1;
|
||||
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) type=InnoDB;
|
||||
insert into t1 values (1, 3);
|
||||
|
@ -39,6 +39,25 @@ a
|
||||
a
|
||||
aa
|
||||
aaa
|
||||
explain extended select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where; Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority if((test.t1.u = 1),test.t1.st,(test.t1.st collate _latin1'BINARY')) AS `s` from test.t1 where (test.t1.st like _latin1'%a%') order by if((test.t1.u = 1),test.t1.st,(test.t1.st collate _latin1'BINARY'))
|
||||
select nullif(u=0, 'test') from t1;
|
||||
nullif(u=0, 'test')
|
||||
NULL
|
||||
NULL
|
||||
NULL
|
||||
NULL
|
||||
NULL
|
||||
1
|
||||
1
|
||||
explain extended select nullif(u=0, 'test') from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 7
|
||||
Warnings:
|
||||
Note 1003 select high_priority nullif((test.t1.u = 0),_latin1'test') AS `nullif(u=0, 'test')` from test.t1
|
||||
drop table t1;
|
||||
create table t1 (num double(12,2));
|
||||
insert into t1 values (144.54);
|
||||
|
@ -142,6 +142,11 @@ a c c
|
||||
select * from t1 where 'a' in (a,b,c collate latin1_bin);
|
||||
a b c
|
||||
a c c
|
||||
explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c` from test.t1 where (_latin1'a' in (test.t1.a,test.t1.b,(test.t1.c collate _latin1'latin1_bin')))
|
||||
drop table t1;
|
||||
select '1.0' in (1,2);
|
||||
'1.0' in (1,2)
|
||||
|
@ -1,43 +1,108 @@
|
||||
select floor(5.5),floor(-5.5);
|
||||
floor(5.5) floor(-5.5)
|
||||
5 -6
|
||||
explain extended select floor(5.5),floor(-5.5);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority floor(5.5) AS `floor(5.5)`,floor(-(5.5)) AS `floor(-5.5)`
|
||||
select ceiling(5.5),ceiling(-5.5);
|
||||
ceiling(5.5) ceiling(-5.5)
|
||||
6 -5
|
||||
explain extended select ceiling(5.5),ceiling(-5.5);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority ceiling(5.5) AS `ceiling(5.5)`,ceiling(-(5.5)) AS `ceiling(-5.5)`
|
||||
select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
|
||||
truncate(52.64,1) truncate(52.64,2) truncate(52.64,-1) truncate(52.64,-2) truncate(-52.64,1) truncate(-52.64,-1)
|
||||
52.6 52.64 50 0 -52.6 -50
|
||||
explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority truncate(52.64,1) AS `truncate(52.64,1)`,truncate(52.64,2) AS `truncate(52.64,2)`,truncate(52.64,-(1)) AS `truncate(52.64,-1)`,truncate(52.64,-(2)) AS `truncate(52.64,-2)`,truncate(-(52.64),1) AS `truncate(-52.64,1)`,truncate(-(52.64),-(1)) AS `truncate(-52.64,-1)`
|
||||
select round(5.5),round(-5.5);
|
||||
round(5.5) round(-5.5)
|
||||
6 -6
|
||||
explain extended select round(5.5),round(-5.5);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority round(5.5,0) AS `round(5.5)`,round(-(5.5),0) AS `round(-5.5)`
|
||||
select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
|
||||
round(5.64,1) round(5.64,2) round(5.64,-1) round(5.64,-2)
|
||||
5.6 5.64 10 0
|
||||
select abs(-10), sign(-5), sign(5), sign(0);
|
||||
abs(-10) sign(-5) sign(5) sign(0)
|
||||
10 -1 1 0
|
||||
explain extended select abs(-10), sign(-5), sign(5), sign(0);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority abs(-(10)) AS `abs(-10)`,sign(-(5)) AS `sign(-5)`,sign(5) AS `sign(5)`,sign(0) AS `sign(0)`
|
||||
select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
|
||||
log(exp(10)) exp(log(sqrt(10))*2) log(-1) log(NULL) log(1,1) log(3,9) log(-1,2) log(NULL,2)
|
||||
10.000000 10.000000 NULL NULL NULL 2.000000 NULL NULL
|
||||
explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority log(exp(10)) AS `log(exp(10))`,exp((log(sqrt(10)) * 2)) AS `exp(log(sqrt(10))*2)`,log(-(1)) AS `log(-1)`,log(NULL) AS `log(NULL)`,log(1,1) AS `log(1,1)`,log(3,9) AS `log(3,9)`,log(-(1),2) AS `log(-1,2)`,log(NULL,2) AS `log(NULL,2)`
|
||||
select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
|
||||
ln(exp(10)) exp(ln(sqrt(10))*2) ln(-1) ln(0) ln(NULL)
|
||||
10.000000 10.000000 NULL NULL NULL
|
||||
explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority ln(exp(10)) AS `ln(exp(10))`,exp((ln(sqrt(10)) * 2)) AS `exp(ln(sqrt(10))*2)`,ln(-(1)) AS `ln(-1)`,ln(0) AS `ln(0)`,ln(NULL) AS `ln(NULL)`
|
||||
select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
|
||||
log2(8) log2(15) log2(-2) log2(0) log2(NULL)
|
||||
3.000000 3.906891 NULL NULL NULL
|
||||
explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority log2(8) AS `log2(8)`,log2(15) AS `log2(15)`,log2(-(2)) AS `log2(-2)`,log2(0) AS `log2(0)`,log2(NULL) AS `log2(NULL)`
|
||||
select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
|
||||
log10(100) log10(18) log10(-4) log10(0) log10(NULL)
|
||||
2.000000 1.255273 NULL NULL NULL
|
||||
explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority log10(100) AS `log10(100)`,log10(18) AS `log10(18)`,log10(-(4)) AS `log10(-4)`,log10(0) AS `log10(0)`,log10(NULL) AS `log10(NULL)`
|
||||
select pow(10,log10(10)),power(2,4);
|
||||
pow(10,log10(10)) power(2,4)
|
||||
10.000000 16.000000
|
||||
explain extended select pow(10,log10(10)),power(2,4);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority pow(10,log10(10)) AS `pow(10,log10(10))`,pow(2,4) AS `power(2,4)`
|
||||
set @@rand_seed1=10000000,@@rand_seed2=1000000;
|
||||
select rand(999999),rand();
|
||||
rand(999999) rand()
|
||||
0.014231365187309 0.028870999839968
|
||||
explain extended select rand(999999),rand();
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache rand(999999) AS `rand(999999)`,rand() AS `rand()`
|
||||
select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
|
||||
pi() sin(pi()/2) cos(pi()/2) abs(tan(pi())) cot(1) asin(1) acos(0) atan(1)
|
||||
3.141593 1.000000 0.000000 0.000000 0.64209262 1.570796 1.570796 0.785398
|
||||
explain extended select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority pi() AS `pi()`,sin((pi() / 2)) AS `sin(pi()/2)`,cos((pi() / 2)) AS `cos(pi()/2)`,abs(tan(pi())) AS `abs(tan(pi()))`,(1 / tan(1)) AS `cot(1)`,asin(1) AS `asin(1)`,acos(0) AS `acos(0)`,atan(1) AS `atan(1)`
|
||||
select degrees(pi()),radians(360);
|
||||
degrees(pi()) radians(360)
|
||||
180 6.2831853071796
|
||||
explain extended select degrees(pi()),radians(360);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority degrees(pi()) AS `degrees(pi())`,radians(360) AS `radians(360)`
|
||||
|
@ -1,9 +1,19 @@
|
||||
select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
|
||||
1+1 1-1 1+1*2 8/5 8%5 mod(8,5) mod(8,5)|0 -(1+1)*-2
|
||||
2 0 3 1.60 3 3 3 4
|
||||
explain extended select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority (1 + 1) AS `1+1`,(1 - 1) AS `1-1`,(1 + (1 * 2)) AS `1+1*2`,(8 / 5) AS `8/5`,(8 % 5) AS `8%5`,(8 % 5) AS `mod(8,5)`,((8 % 5) | 0) AS `mod(8,5)|0`,(-((1 + 1)) * -(2)) AS `-(1+1)*-2`
|
||||
select 1 | (1+1),5 & 3,bit_count(7) ;
|
||||
1 | (1+1) 5 & 3 bit_count(7)
|
||||
3 1 3
|
||||
explain extended select 1 | (1+1),5 & 3,bit_count(7) ;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority (1 | (1 + 1)) AS `1 | (1+1)`,(5 & 3) AS `5 & 3`,bit_count(7) AS `bit_count(7)`
|
||||
select 1 << 32,1 << 63, 1 << 64, 4 >> 2, 4 >> 63, 1<< 63 >> 60;
|
||||
1 << 32 1 << 63 1 << 64 4 >> 2 4 >> 63 1<< 63 >> 60
|
||||
4294967296 9223372036854775808 0 1 0 8
|
||||
|
@ -36,6 +36,11 @@ insert into t1 (xxx) values('this is a test of some long text to see what happen
|
||||
select * from t1 where xxx regexp('is a test of some long text to');
|
||||
xxx
|
||||
this is a test of some long text to see what happens
|
||||
explain extended select * from t1 where xxx regexp('is a test of some long text to');
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 system NULL NULL NULL NULL 1
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.xxx AS `xxx` from test.t1 where (test.t1.xxx regexp _latin1'is a test of some long text to')
|
||||
select * from t1 where xxx regexp('is a test of some long text to ');
|
||||
xxx
|
||||
this is a test of some long text to see what happens
|
||||
|
@ -1,6 +1,11 @@
|
||||
select interval(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
|
||||
interval(55,10,20,30,40,50,60,70,80,90,100) interval(3,1,1+1,1+1+1+1) field("IBM","NCA","ICL","SUN","IBM","DIGITAL") field("A","B","C") elt(2,"ONE","TWO","THREE") interval(0,1,2,3,4) elt(1,1,2,3)|0 elt(1,1.1,1.2,1.3)+0
|
||||
5 2 4 0 TWO 0 1 1.1
|
||||
explain extended select INTERVAL(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority interval((55,10,20,30,40,50,60,70,80,90,100)) AS `INTERVAL(55,10,20,30,40,50,60,70,80,90,100)`,interval((3,1,(1 + 1),(((1 + 1) + 1) + 1))) AS `interval(3,1,1+1,1+1+1+1)`,field(_latin1'IBM',_latin1'NCA',_latin1'ICL',_latin1'SUN',_latin1'IBM',_latin1'DIGITAL') AS `field("IBM","NCA","ICL","SUN","IBM","DIGITAL")`,field(_latin1'A',_latin1'B',_latin1'C') AS `field("A","B","C")`,elt(2,_latin1'ONE',_latin1'TWO',_latin1'THREE') AS `elt(2,"ONE","TWO","THREE")`,interval((0,1,2,3,4)) AS `interval(0,1,2,3,4)`,(elt(1,1,2,3) | 0) AS `elt(1,1,2,3)|0`,(elt(1,1.1,1.2,1.3) + 0) AS `elt(1,1.1,1.2,1.3)+0`
|
||||
select find_in_set("b","a,b,c"),find_in_set("c","a,b,c"),find_in_set("dd","a,bbb,dd"),find_in_set("bbb","a,bbb,dd");
|
||||
find_in_set("b","a,b,c") find_in_set("c","a,b,c") find_in_set("dd","a,bbb,dd") find_in_set("bbb","a,bbb,dd")
|
||||
2 3 3 2
|
||||
|
@ -12,9 +12,15 @@ length('\n\t\r\b\0\_\%\\')
|
||||
select bit_length('\n\t\r\b\0\_\%\\');
|
||||
bit_length('\n\t\r\b\0\_\%\\')
|
||||
80
|
||||
select concat('monty',' was here ','again'),length('hello'),char(ascii('h'));
|
||||
concat('monty',' was here ','again') length('hello') char(ascii('h'))
|
||||
monty was here again 5 h
|
||||
select char_length('\n\t\r\b\0\_\%\\');
|
||||
char_length('\n\t\r\b\0\_\%\\')
|
||||
10
|
||||
select length(_latin1'\n\t\n\b\0\\_\\%\\');
|
||||
length(_latin1'\n\t\n\b\0\\_\\%\\')
|
||||
10
|
||||
select concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h');
|
||||
concat('monty',' was here ','again') length('hello') char(ascii('h')) ord('h')
|
||||
monty was here again 5 h 104
|
||||
select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
|
||||
locate('he','hello') locate('he','hello',2) locate('lo','hello',2)
|
||||
1 0 4
|
||||
@ -99,6 +105,9 @@ NULL
|
||||
select md5('hello');
|
||||
md5('hello')
|
||||
5d41402abc4b2a76b9719d911017c592
|
||||
select crc32("123");
|
||||
crc32("123")
|
||||
2286445522
|
||||
select sha('abc');
|
||||
sha('abc')
|
||||
a9993e364706816aba3e25717850c26c9cd0d89d
|
||||
@ -579,3 +588,8 @@ CONCAT("</a>",RPAD("",(55 - LENGTH(title)),"."))
|
||||
NULL
|
||||
</a>..........................
|
||||
DROP TABLE t1;
|
||||
explain extended select md5('hello'), sha('abc'), sha1('abc'), soundex(''), 'mood' sounds like 'mud', aes_decrypt(aes_encrypt('abc','1'),'1'),concat('*',space(5),'*'), reverse('abc'), rpad('a',4,'1'), lpad('a',4,'1'), concat_ws(',','',NULL,'a'),make_set(255,_latin2'a',_latin2'b',_latin2'c'),elt(2,1),locate("a","b",2),format(130,10),char(0),conv(130,16,10),hex(130),binary 'HE', export_set(255,_latin2'y',_latin2'n',_latin2' '),FIELD('b' COLLATE latin1_bin,'A','B'),FIND_IN_SET(_latin1'B',_latin1'a,b,c,d'),collation(conv(130,16,10)), coercibility(conv(130,16,10)),length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h'),quote(1/0),crc32("123");
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority md5(_latin1'hello') AS `md5('hello')`,sha(_latin1'abc') AS `sha('abc')`,sha(_latin1'abc') AS `sha1('abc')`,soundex(_latin1'') AS `soundex('')`,(soundex(_latin1'mood') = soundex(_latin1'mud')) AS `'mood' sounds like 'mud'`,aes_decrypt(aes_encrypt(_latin1'abc',_latin1'1'),_latin1'1') AS `aes_decrypt(aes_encrypt('abc','1'),'1')`,concat(_latin1'*',repeat(_latin1' ',5),_latin1'*') AS `concat('*',space(5),'*')`,reverse(_latin1'abc') AS `reverse('abc')`,rpad(_latin1'a',4,_latin1'1') AS `rpad('a',4,'1')`,lpad(_latin1'a',4,_latin1'1') AS `lpad('a',4,'1')`,concat_ws(_latin1',',_latin1'',NULL,_latin1'a') AS `concat_ws(',','',NULL,'a')`,make_set(255,_latin2'a',_latin2'b',_latin2'c') AS `make_set(255,_latin2'a',_latin2'b',_latin2'c')`,elt(2,1) AS `elt(2,1)`,locate(_latin1'a',_latin1'b',2) AS `locate("a","b",2)`,format(130,10) AS `format(130,10)`,char(0) AS `char(0)`,conv(130,16,10) AS `conv(130,16,10)`,hex(130) AS `hex(130)`,(_latin1'HE' collate _latin1'BINARY') AS `binary 'HE'`,export_set(255,_latin2'y',_latin2'n',_latin2' ') AS `export_set(255,_latin2'y',_latin2'n',_latin2' ')`,field((_latin1'b' collate _latin1'latin1_bin'),_latin1'A',_latin1'B') AS `FIELD('b' COLLATE latin1_bin,'A','B')`,find_in_set(_latin1'B',_latin1'a,b,c,d') AS `FIND_IN_SET(_latin1'B',_latin1'a,b,c,d')`,collation(conv(130,16,10)) AS `collation(conv(130,16,10))`,coercibility(conv(130,16,10)) AS `coercibility(conv(130,16,10))`,length(_latin1'\n\t\r\b\0\\_\\%\\') AS `length('\n\t\r\b\0\_\%\\')`,bit_length(_latin1'\n\t\r\b\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`,bit_length(_latin1'\n\t\r\b\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`,concat(_latin1'monty',_latin1' was here ',_latin1'again') AS `concat('monty',' was here ','again')`,length(_latin1'hello') AS `length('hello')`,char(ascii(_latin1'h')) AS `char(ascii('h'))`,ord(_latin1'h') AS `ord('h')`,quote((1 / 0)) AS `quote(1/0)`,crc32(_latin1'123') AS `crc32("123")`
|
||||
|
@ -37,6 +37,11 @@ version()>=_latin1"3.23.29"
|
||||
select charset(version());
|
||||
charset(version())
|
||||
utf8
|
||||
explain extended select database(), user();
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache database() AS `database()`,user() AS `user()`
|
||||
create table t1 (version char(40)) select database(), user(), version() as 'version';
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
|
@ -44,19 +44,47 @@ select -1.49 or -1.49,0.6 or 0.6;
|
||||
select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
|
||||
3 ^ 11 1 ^ 1 1 ^ 0 1 ^ NULL NULL ^ 1
|
||||
8 0 1 NULL NULL
|
||||
explain extended select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority (3 ^ 11) AS `3 ^ 11`,(1 ^ 1) AS `1 ^ 1`,(1 ^ 0) AS `1 ^ 0`,(1 ^ NULL) AS `1 ^ NULL`,(NULL ^ 1) AS `NULL ^ 1`
|
||||
select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
|
||||
1 XOR 1 1 XOR 0 0 XOR 1 0 XOR 0 NULL XOR 1 1 XOR NULL 0 XOR NULL
|
||||
0 1 1 0 NULL NULL NULL
|
||||
select 10 % 7, 10 mod 7, 10 div 3;
|
||||
10 % 7 10 mod 7 10 div 3
|
||||
3 3 3
|
||||
explain extended select 10 % 7, 10 mod 7, 10 div 3;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority (10 % 7) AS `10 % 7`,(10 % 7) AS `10 mod 7`,(10 DIV 3) AS `10 div 3`
|
||||
select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
|
||||
(1 << 64)-1 ((1 << 64)-1) DIV 1 ((1 << 64)-1) DIV 2
|
||||
18446744073709551615 18446744073709551615 9223372036854775807
|
||||
explain extended select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority ((1 << 64) - 1) AS `(1 << 64)-1`,(((1 << 64) - 1) DIV 1) AS `((1 << 64)-1) DIV 1`,(((1 << 64) - 1) DIV 2) AS `((1 << 64)-1) DIV 2`
|
||||
create table t1 (a int);
|
||||
insert t1 values (1);
|
||||
select * from t1 where 1 xor 1;
|
||||
a
|
||||
explain extended select * from t1 where 1 xor 1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a` from test.t1 where (1 xor 1)
|
||||
select - a from t1;
|
||||
- a
|
||||
-1
|
||||
explain extended select - a from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 system NULL NULL NULL NULL 1
|
||||
Warnings:
|
||||
Note 1003 select high_priority -(test.t1.a) AS `- a` from test.t1
|
||||
drop table t1;
|
||||
select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
|
||||
5 between 0 and 10 between 0 and 1 (5 between 0 and 10) between 0 and 1
|
||||
@ -73,6 +101,11 @@ _koi8r'a' = _koi8r'A'
|
||||
select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
|
||||
_koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci
|
||||
1
|
||||
explain extended select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority (_koi8r'a' = (_koi8r'A' collate _latin1'koi8r_general_ci')) AS `_koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci`
|
||||
select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin;
|
||||
_koi8r'a' = _koi8r'A' COLLATE koi8r_bin
|
||||
0
|
||||
|
@ -486,3 +486,8 @@ strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0
|
||||
select strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0;
|
||||
strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0
|
||||
1
|
||||
explain extended select period_add("9602",-12),period_diff(199505,"9404"),from_days(to_days("960101")),dayofmonth("1997-01-02"), month("1997-01-02"), monthname("1972-03-04"),dayofyear("0000-00-00"),HOUR("1997-03-03 23:03:22"),MINUTE("23:03:22"),SECOND(230322),QUARTER(980303),WEEK("1998-03-03"),yearweek("2000-01-01",1),week(19950101,1),year("98-02-03"),weekday(curdate())-weekday(now()),dayname("1962-03-03"),unix_timestamp(),sec_to_time(time_to_sec("0:30:47")/6.21),curtime(),utc_time(),curdate(),utc_date(),utc_timestamp(),date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w"),from_unixtime(unix_timestamp("1994-03-02 10:11:12")),"1997-12-31 23:59:59" + INTERVAL 1 SECOND,"1998-01-01 00:00:00" - INTERVAL 1 SECOND,INTERVAL 1 DAY + "1997-12-31", extract(YEAR FROM "1999-01-02 10:11:12"),date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache period_add(_latin1'9602',-(12)) AS `period_add("9602",-12)`,period_diff(199505,_latin1'9404') AS `period_diff(199505,"9404")`,from_days(to_days(_latin1'960101')) AS `from_days(to_days("960101"))`,dayofmonth(_latin1'1997-01-02') AS `dayofmonth("1997-01-02")`,month(_latin1'1997-01-02') AS `month("1997-01-02")`,monthname(_latin1'1972-03-04') AS `monthname("1972-03-04")`,dayofyear(_latin1'0000-00-00') AS `dayofyear("0000-00-00")`,hour(_latin1'1997-03-03 23:03:22') AS `HOUR("1997-03-03 23:03:22")`,minute(_latin1'23:03:22') AS `MINUTE("23:03:22")`,second(230322) AS `SECOND(230322)`,quarter(980303) AS `QUARTER(980303)`,week(_latin1'1998-03-03',0) AS `WEEK("1998-03-03")`,yearweek(_latin1'2000-01-01',1) AS `yearweek("2000-01-01",1)`,week(19950101,1) AS `week(19950101,1)`,year(_latin1'98-02-03') AS `year("98-02-03")`,(weekday(to_days(curdate())) - weekday(to_days(now()))) AS `weekday(curdate())-weekday(now())`,dayname(to_days(_latin1'1962-03-03')) AS `dayname("1962-03-03")`,unix_timestamp() AS `unix_timestamp()`,sec_to_time((time_to_sec(_latin1'0:30:47') / 6.21)) AS `sec_to_time(time_to_sec("0:30:47")/6.21)`,curtime() AS `curtime()`,utc_time() AS `utc_time()`,curdate() AS `curdate()`,utc_date() AS `utc_date()`,utc_timestamp() AS `utc_timestamp()`,date_format(_latin1'1997-01-02 03:04:05',_latin1'%M %W %D %Y %y %m %d %h %i %s %w') AS `date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")`,from_unixtime(unix_timestamp(_latin1'1994-03-02 10:11:12')) AS `from_unixtime(unix_timestamp("1994-03-02 10:11:12"))`,(_latin1'1997-12-31 23:59:59' + interval 1 second) AS `"1997-12-31 23:59:59" + INTERVAL 1 SECOND`,(_latin1'1998-01-01 00:00:00' - interval 1 second) AS `"1998-01-01 00:00:00" - INTERVAL 1 SECOND`,(_latin1'1997-12-31' + interval 1 day) AS `INTERVAL 1 DAY + "1997-12-31"`,extract(year from _latin1'1999-01-02 10:11:12') AS `extract(YEAR FROM "1999-01-02 10:11:12")`,(_latin1'1997-12-31 23:59:59' + interval 1 second) AS `date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND)`
|
||||
|
@ -284,9 +284,11 @@ select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
|
||||
spid count(*)
|
||||
2 2
|
||||
1 1
|
||||
explain select sql_big_result spid,sum(userid) from t1 group by spid desc;
|
||||
explain extended select sql_big_result spid,sum(userid) from t1 group by spid desc;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 8 Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority big_result test.t1.spID AS `spid`,sum(test.t1.userID) AS `sum(userid)` from test.t1 group by test.t1.spID desc
|
||||
explain select sql_big_result spid,sum(userid) from t1 group by spid desc order by null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 8
|
||||
|
@ -8,6 +8,11 @@ b
|
||||
select count(a) as b from t1 where a=0 having b >=0;
|
||||
b
|
||||
0
|
||||
explain extended select count(a) as b from t1 where a=0 having b >=0;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
|
||||
Warnings:
|
||||
Note 1003 select high_priority count(test.t1.a) AS `b` from test.t1 where (test.t1.a = 0) having (count(test.t1.a) >= 0)
|
||||
drop table t1;
|
||||
CREATE TABLE t1 (
|
||||
raw_id int(10) NOT NULL default '0',
|
||||
|
@ -56,4 +56,14 @@ a b c VALUES(a)
|
||||
5 0 30 NULL
|
||||
8 9 60 NULL
|
||||
2 1 11 NULL
|
||||
explain extended SELECT *, VALUES(a) FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c`,values(test.t1.a) AS `VALUES(a)` from test.t1
|
||||
explain extended select * from t1 where values(a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c` from test.t1
|
||||
DROP TABLE t1;
|
||||
|
@ -2,6 +2,11 @@ drop table if exists t1;
|
||||
select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
|
||||
NULL NULL isnull(null) isnull(1/0) isnull(1/0 = null) ifnull(null,1) ifnull(null,"TRUE") ifnull("TRUE","ERROR") 1/0 is null 1 is not null
|
||||
NULL NULL 1 1 1 1 TRUE TRUE 1 1
|
||||
explain extended select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority NULL AS `NULL`,NULL AS `NULL`,isnull(NULL) AS `isnull(null)`,isnull((1 / 0)) AS `isnull(1/0)`,isnull(((1 / 0) = NULL)) AS `isnull(1/0 = null)`,ifnull(NULL,1) AS `ifnull(null,1)`,ifnull(NULL,_latin1'TRUE') AS `ifnull(null,"TRUE")`,ifnull(_latin1'TRUE',_latin1'ERROR') AS `ifnull("TRUE","ERROR")`,isnull((1 / 0)) AS `1/0 is null`,(1 is not null) AS `1 is not null`
|
||||
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
|
||||
1 | NULL 1 & NULL 1+NULL 1-NULL
|
||||
NULL NULL NULL NULL
|
||||
@ -23,6 +28,11 @@ field(NULL,"a","b","c")
|
||||
select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
|
||||
2 between null and 1 2 between 3 AND NULL NULL between 1 and 2 2 between NULL and 3 2 between 1 AND null
|
||||
0 0 NULL NULL NULL
|
||||
explain extended select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority (2 between NULL and 1) AS `2 between null and 1`,(2 between 3 and NULL) AS `2 between 3 AND NULL`,(NULL between 1 and 2) AS `NULL between 1 and 2`,(2 between NULL and 3) AS `2 between NULL and 3`,(2 between 1 and NULL) AS `2 between 1 AND null`
|
||||
SELECT NULL AND NULL, 1 AND NULL, NULL AND 1, NULL OR NULL, 0 OR NULL, NULL OR 0;
|
||||
NULL AND NULL 1 AND NULL NULL AND 1 NULL OR NULL 0 OR NULL NULL OR 0
|
||||
NULL NULL NULL NULL NULL NULL
|
||||
@ -35,6 +45,11 @@ NULL AND 0 0 and NULL
|
||||
select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
|
||||
inet_ntoa(null) inet_aton(null) inet_aton("122.256") inet_aton("122.226.") inet_aton("")
|
||||
NULL NULL NULL NULL NULL
|
||||
explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority inet_ntoa(NULL) AS `inet_ntoa(null)`,inet_aton(NULL) AS `inet_aton(null)`,inet_aton(_latin1'122.256') AS `inet_aton("122.256")`,inet_aton(_latin1'122.226.') AS `inet_aton("122.226.")`,inet_aton(_latin1'') AS `inet_aton("")`
|
||||
create table t1 (x int);
|
||||
insert into t1 values (null);
|
||||
select * from t1 where x != 0;
|
||||
|
@ -81,9 +81,11 @@ TV 2 2000 200
|
||||
TV 2 NULL 200
|
||||
TV NULL NULL 600
|
||||
NULL NULL NULL 7785
|
||||
explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
|
||||
explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 15 Using temporary; Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.product AS `product`,test.t1.country_id AS `country_id`,test.t1.year AS `year`,sum(test.t1.profit) AS `sum(profit)` from test.t1 group by test.t1.product,test.t1.country_id,test.t1.year with rollup
|
||||
select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup;
|
||||
product country_id sum(profit)
|
||||
TV 1 400
|
||||
|
@ -300,6 +300,11 @@ select USER() from t1;
|
||||
USER()
|
||||
select benchmark(1,1) from t1;
|
||||
benchmark(1,1)
|
||||
explain extended select benchmark(1,1) from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 system NULL NULL NULL NULL 0 const row not found
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache benchmark(1,1) AS `benchmark(1,1)` from test.t1
|
||||
show status like "Qcache_queries_in_cache";
|
||||
Variable_name Value
|
||||
Qcache_queries_in_cache 0
|
||||
|
@ -40,6 +40,11 @@ ERROR 21000: Operand should contain 2 column(s)
|
||||
select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
|
||||
row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)))
|
||||
NULL
|
||||
explain extended select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority ((1,2,(3,4)) in ((3,2,(3,4)),(1,2,(3,NULL)))) AS `row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)))`
|
||||
SELECT (1,2,3)=(0,NULL,3);
|
||||
(1,2,3)=(0,NULL,3)
|
||||
0
|
||||
|
@ -40,10 +40,20 @@ create table t1(n int);
|
||||
select get_lock("hold_slave",10);
|
||||
get_lock("hold_slave",10)
|
||||
1
|
||||
explain extended select get_lock("hold_slave",10);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache get_lock(_latin1'hold_slave',10) AS `get_lock("hold_slave",10)`
|
||||
start slave;
|
||||
select release_lock("hold_slave");
|
||||
release_lock("hold_slave")
|
||||
1
|
||||
explain extended select release_lock("hold_slave");
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache release_lock(_latin1'hold_slave') AS `release_lock("hold_slave")`
|
||||
unlock tables;
|
||||
create table t2(id int);
|
||||
insert into t2 values(connection_id());
|
||||
|
@ -18,9 +18,14 @@ get_lock("lock",3)
|
||||
select * from t1;
|
||||
n
|
||||
1
|
||||
select is_free_lock("lock");
|
||||
is_free_lock("lock")
|
||||
0
|
||||
select is_free_lock("lock"), is_used_lock("lock");
|
||||
is_free_lock("lock") is_used_lock("lock")
|
||||
0 6
|
||||
explain extended select is_free_lock("lock"), is_used_lock("lock");
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache is_free_lock(_latin1'lock') AS `is_free_lock("lock")`,is_used_lock(_latin1'lock') AS `is_used_lock("lock")`
|
||||
select is_free_lock("lock2");
|
||||
is_free_lock("lock2")
|
||||
1
|
||||
|
@ -7,6 +7,11 @@ start slave;
|
||||
select master_pos_wait('master-bin.999999',0,2);
|
||||
master_pos_wait('master-bin.999999',0,2)
|
||||
-1
|
||||
explain extended select master_pos_wait('master-bin.999999',0,2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache master_pos_wait(_latin1'master-bin.999999',0,2) AS `master_pos_wait('master-bin.999999',0,2)`
|
||||
select master_pos_wait('master-bin.999999',0);
|
||||
stop slave sql_thread;
|
||||
master_pos_wait('master-bin.999999',0)
|
||||
|
@ -1466,6 +1466,11 @@ companynr count(*)
|
||||
select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
|
||||
count(*) min(fld4) max(fld4) sum(fld1) avg(fld1) std(fld1) variance(fld1)
|
||||
70 absentee vest 17788966 254128.0857 3272.5940 10709871.3069
|
||||
explain extended select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority count(0) AS `count(*)`,min(test.t2.fld4) AS `min(fld4)`,max(test.t2.fld4) AS `max(fld4)`,sum(test.t2.fld1) AS `sum(fld1)`,avg(test.t2.fld1) AS `avg(fld1)`,std(test.t2.fld1) AS `std(fld1)`,variance(test.t2.fld1) AS `variance(fld1)` from test.t2 where ((test.t2.companynr = 34) and (test.t2.fld4 <> _latin1''))
|
||||
select companynr,count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 group by companynr limit 3;
|
||||
companynr count(*) min(fld4) max(fld4) sum(fld1) avg(fld1) std(fld1) variance(fld1)
|
||||
00 82 Anthony windmills 10355753 126289.6707 115550.9757 13352027981.7087
|
||||
|
@ -2,32 +2,35 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
|
||||
select (select 2);
|
||||
(select 2)
|
||||
2
|
||||
explain select (select 2);
|
||||
explain extended select (select 2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1248 Select 2 was reduced during optimisation
|
||||
Note 1003 select high_priority 2 AS `(select 2)`
|
||||
SELECT (SELECT 1) UNION SELECT (SELECT 2);
|
||||
(SELECT 1)
|
||||
1
|
||||
2
|
||||
explain SELECT (SELECT 1) UNION SELECT (SELECT 2);
|
||||
explain extended SELECT (SELECT 1) UNION SELECT (SELECT 2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1248 Select 2 was reduced during optimisation
|
||||
Note 1248 Select 4 was reduced during optimisation
|
||||
Note 1003 select high_priority 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)`
|
||||
SELECT (SELECT (SELECT 0 UNION SELECT 0));
|
||||
(SELECT (SELECT 0 UNION SELECT 0))
|
||||
0
|
||||
explain SELECT (SELECT (SELECT 0 UNION SELECT 0));
|
||||
explain extended SELECT (SELECT (SELECT 0 UNION SELECT 0));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1248 Select 2 was reduced during optimisation
|
||||
Note 1003 select high_priority (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
|
||||
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
|
||||
ERROR 42S22: Reference 'a' not supported (forward reference in item list)
|
||||
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
|
||||
@ -37,7 +40,7 @@ SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
|
||||
1 1
|
||||
SELECT (SELECT a) as a;
|
||||
ERROR 42S22: Reference 'a' not supported (forward reference in item list)
|
||||
EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
|
||||
EXPLAIN EXTENDED SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
|
||||
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
@ -45,6 +48,7 @@ id select_type table type possible_keys key key_len ref rows Extra
|
||||
Warnings:
|
||||
Note 1275 Field or reference 'a' of SELECT #3 was resolved in SELECT #1
|
||||
Note 1275 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
|
||||
Note 1003 select high_priority 1 AS `1` from (select 1 AS `a`) b having ((select b.a AS `a`) = 1)
|
||||
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
|
||||
1
|
||||
1
|
||||
@ -172,12 +176,14 @@ a b
|
||||
2 7
|
||||
3 8
|
||||
4 8
|
||||
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
|
||||
explain extended (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
|
||||
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using filesort
|
||||
3 UNION t4 ALL NULL NULL NULL NULL 3 Using where; Using filesort
|
||||
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2
|
||||
Warnings:
|
||||
Note 1003 (select high_priority test.t2.a AS `a`,test.t2.b AS `b` from test.t2 where (test.t2.b = (select test.t3.a AS `a` from test.t3 order by test.t3.a desc limit 1))) union (select test.t4.a AS `a`,test.t4.b AS `b` from test.t4 where (test.t4.b = (select (max(test.t2.a) * 4) AS `max(t2.a)*4` from test.t2)) order by test.t4.a)
|
||||
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
|
||||
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
|
||||
3 1
|
||||
@ -186,12 +192,14 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
|
||||
(select * from t2 where a>1) as tt;
|
||||
(select t3.a from t3 where a<8 order by 1 desc limit 1) a
|
||||
7 2
|
||||
explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
|
||||
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
|
||||
(select * from t2 where a>1) as tt;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY <derived3> system NULL NULL NULL NULL 1
|
||||
3 DERIVED t2 ALL NULL NULL NULL NULL 2 Using where
|
||||
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where; Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority (select test.t3.a AS `a` from test.t3 where (test.t3.a < 8) order by test.t3.a desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,tt.a AS `a` from (select test.t2.a AS `a`,test.t2.b AS `b` from test.t2 where (test.t2.a > 1)) tt
|
||||
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
|
||||
a
|
||||
2
|
||||
@ -205,13 +213,14 @@ b (select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)
|
||||
8 7.5000
|
||||
8 4.5000
|
||||
9 7.5000
|
||||
explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
|
||||
explain extended select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t4 ALL NULL NULL NULL NULL 3
|
||||
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2
|
||||
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where
|
||||
Warnings:
|
||||
Note 1275 Field or reference 't4.a' of SELECT #3 was resolved in SELECT #1
|
||||
Note 1003 select high_priority test.t4.b AS `b`,(select avg((test.t2.a + (select min(test.t3.a) AS `min(t3.a)` from test.t3 where (test.t3.a >= test.t4.a)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from test.t2) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from test.t4
|
||||
select * from t3 where exists (select * from t2 where t2.b=t3.a);
|
||||
a
|
||||
7
|
||||
@ -252,10 +261,12 @@ select * from t3 where a >= any (select b from t2);
|
||||
a
|
||||
6
|
||||
7
|
||||
explain select * from t3 where a >= any (select b from t2);
|
||||
explain extended select * from t3 where a >= any (select b from t2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
|
||||
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t3.a AS `a` from test.t3 where (test.t3.a >= (select min(test.t2.b) from test.t2 limit 1))
|
||||
select * from t3 where a >= all (select b from t2);
|
||||
a
|
||||
7
|
||||
@ -290,7 +301,7 @@ select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)
|
||||
(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a) a
|
||||
NULL 1
|
||||
2 2
|
||||
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
|
||||
explain extended select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
|
||||
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1
|
||||
@ -298,6 +309,7 @@ id select_type table type possible_keys key key_len ref rows Extra
|
||||
Warnings:
|
||||
Note 1275 Field or reference 't2.a' of SELECT #2 was resolved in SELECT #1
|
||||
Note 1275 Field or reference 't2.a' of SELECT #3 was resolved in SELECT #1
|
||||
Note 1003 select high_priority (select test.t1.a AS `a` from test.t1 where (test.t1.a = test.t2.a) union select test.t5.a AS `a` from test.t5 where (test.t5.a = test.t2.a)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,test.t2.a AS `a` from test.t2
|
||||
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
|
||||
ERROR 21000: Subquery returns more than 1 row
|
||||
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
|
||||
@ -309,12 +321,13 @@ patient_uq clinic_uq
|
||||
1 1
|
||||
1 2
|
||||
2 2
|
||||
explain select * from t6 where exists (select * from t7 where uq = clinic_uq);
|
||||
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 Using where
|
||||
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1
|
||||
Warnings:
|
||||
Note 1275 Field or reference 'clinic_uq' of SELECT #2 was resolved in SELECT #1
|
||||
Note 1003 select high_priority test.t6.patient_uq AS `patient_uq`,test.t6.clinic_uq AS `clinic_uq` from test.t6 where exists(select test.t7.uq AS `uq`,test.t7.name AS `name` from test.t7 where (test.t7.uq = test.t6.clinic_uq) limit 1)
|
||||
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
|
||||
ERROR 23000: Column: 'a' in field list is ambiguous
|
||||
drop table if exists t1,t2,t3;
|
||||
@ -342,12 +355,14 @@ UNIQUE KEY `email` (`email`)
|
||||
INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
|
||||
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
|
||||
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
|
||||
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
|
||||
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t8 const PRIMARY PRIMARY 35 const 1
|
||||
4 SUBQUERY t8 const PRIMARY PRIMARY 35 1
|
||||
2 SUBQUERY t8 const PRIMARY PRIMARY 35 const 1
|
||||
3 SUBQUERY t8 const PRIMARY PRIMARY 35 1
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t8.pseudo AS `pseudo`,(select test.t8.email AS `email` from test.t8 where (test.t8.pseudo = (select test.t8.pseudo AS `pseudo` from test.t8 where (test.t8.pseudo = _latin1'joce')))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from test.t8 where (test.t8.pseudo = (select test.t8.pseudo AS `pseudo` from test.t8 where (test.t8.pseudo = _latin1'joce')))
|
||||
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
|
||||
t8 WHERE pseudo='joce');
|
||||
ERROR 21000: Operand should contain 1 column(s)
|
||||
@ -369,13 +384,17 @@ KEY `topic` (`topic`)
|
||||
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
|
||||
INSERT INTO t1 (topic,date,pseudo) VALUES
|
||||
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
|
||||
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
|
||||
EXPLAIN EXTENDED SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
|
||||
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
|
||||
Warnings:
|
||||
Note 1003 select high_priority distinct test.t1.date AS `date` from test.t1 where (test.t1.date = 20020803)
|
||||
EXPLAIN EXTENDED SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
2 SUBQUERY t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
|
||||
Warnings:
|
||||
Note 1003 select high_priority (select distinct test.t1.date AS `date` from test.t1 where (test.t1.date = 20020803)) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
|
||||
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
|
||||
date
|
||||
2002-08-03
|
||||
@ -389,11 +408,13 @@ SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
|
||||
1
|
||||
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
|
||||
ERROR 21000: Subquery returns more than 1 row
|
||||
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
|
||||
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL topic 3 NULL 2 Using index
|
||||
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority 1 AS `1` from test.t1
|
||||
drop table t1;
|
||||
CREATE TABLE `t1` (
|
||||
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
|
||||
@ -507,15 +528,19 @@ ERROR 42S22: Unknown column 'a' in 'having clause'
|
||||
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
|
||||
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
|
||||
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
|
||||
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
|
||||
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
|
||||
ERROR 21000: Subquery returns more than 1 row
|
||||
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
|
||||
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
|
||||
Warnings:
|
||||
Note 1003 select high_priority max(test.t1.numreponse) AS `MAX(numreponse)` from test.t1 where (test.t1.numeropost = _latin1'1')
|
||||
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1
|
||||
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.numreponse AS `numreponse` from test.t1 where ((test.t1.numeropost = _latin1'1') and (test.t1.numreponse = 3))
|
||||
drop table t1;
|
||||
CREATE TABLE t1 (a int(1));
|
||||
INSERT INTO t1 VALUES (1);
|
||||
@ -678,28 +703,32 @@ INSERT INTO t2 VALUES (1),(2);
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||||
id
|
||||
1
|
||||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||||
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 ref id id 5 const 1 Using where; Using index
|
||||
Warnings:
|
||||
Note 1248 Select 2 was reduced during optimisation
|
||||
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where (test.t2.id = 1)
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||||
id
|
||||
1
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||||
id
|
||||
2
|
||||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||||
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 ref id id 5 const 1 Using where; Using index
|
||||
Warnings:
|
||||
Note 1248 Select 3 was reduced during optimisation
|
||||
Note 1248 Select 2 was reduced during optimisation
|
||||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||||
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where (test.t2.id = (1 + 1))
|
||||
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL id 5 NULL 2 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where <in_optimizer>(test.t2.id,<exists>(select 1 AS `Not_used` having (<cache>(test.t2.id) = <null_helper>(1)) limit 1 union select 1 AS `Not_used` having (<cache>(test.t2.id) = <null_helper>(3)) limit 1))
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
|
||||
id
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
|
||||
@ -819,12 +848,13 @@ NULL
|
||||
select 10.5 > ANY (SELECT * from t1);
|
||||
10.5 > ANY (SELECT * from t1)
|
||||
1
|
||||
explain select (select a+1) from t1;
|
||||
explain extended select (select a+1) from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
|
||||
Warnings:
|
||||
Note 1275 Field or reference 'a' of SELECT #2 was resolved in SELECT #1
|
||||
Note 1248 Select 2 was reduced during optimisation
|
||||
Note 1003 select high_priority (test.t1.a + 1) AS `(select a+1)` from test.t1
|
||||
select (select a+1) from t1;
|
||||
(select a+1)
|
||||
2.5
|
||||
@ -841,10 +871,12 @@ a t1.a in (select t2.a from t2)
|
||||
2 1
|
||||
3 1
|
||||
4 0
|
||||
explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||||
explain extended SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 Using index
|
||||
2 DEPENDENT SUBQUERY t2 index_subquery a a 5 func 2 Using index
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,<in_optimizer>(test.t1.a,<exists>(<index_lookup>(<cache>(test.t1.a) in t2 on a chicking NULL))) AS `t1.a in (select t2.a from t2)` from test.t1
|
||||
CREATE TABLE t3 (a int(11) default '0');
|
||||
INSERT INTO t3 VALUES (1),(2),(3);
|
||||
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
|
||||
@ -853,11 +885,13 @@ a t1.a in (select t2.a from t2,t3 where t3.a=t2.a)
|
||||
2 1
|
||||
3 1
|
||||
4 0
|
||||
explain SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
|
||||
explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 Using index
|
||||
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.a AS `a`,<in_optimizer>(test.t1.a,<exists>(select 1 AS `Not_used` from test.t2 join test.t3 where ((test.t3.a = test.t2.a) and ((<cache>(test.t1.a) = test.t2.a) or isnull(test.t2.a))) having <is_not_null_test>(test.t2.a) limit 1)) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from test.t1
|
||||
drop table t1,t2,t3;
|
||||
create table t1 (a float);
|
||||
select 10.5 IN (SELECT * from t1 LIMIT 1);
|
||||
@ -962,18 +996,24 @@ UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
|
||||
ERROR HY000: Invalid use of group function
|
||||
drop table t1;
|
||||
CREATE TABLE t1 (a int(1));
|
||||
EXPLAIN SELECT (SELECT RAND() FROM t1) FROM t1;
|
||||
EXPLAIN EXTENDED SELECT (SELECT RAND() FROM t1) FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
|
||||
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
|
||||
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache (select no_cache rand() AS `RAND()` from test.t1) AS `(SELECT RAND() FROM t1)` from test.t1
|
||||
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
|
||||
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
|
||||
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache (select no_cache ecrypt(_latin1'test') AS `ENCRYPT('test')` from test.t1) AS `(SELECT ENCRYPT('test') FROM t1)` from test.t1
|
||||
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
|
||||
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache (select no_cache benchmark(1,1) AS `BENCHMARK(1,1)` from test.t1) AS `(SELECT BENCHMARK(1,1) FROM t1)` from test.t1
|
||||
drop table t1;
|
||||
CREATE TABLE `t1` (
|
||||
`mot` varchar(30) character set latin1 NOT NULL default '',
|
||||
@ -1061,12 +1101,14 @@ t1 CREATE TABLE `t1` (
|
||||
drop table t1;
|
||||
create table t1 (a int);
|
||||
insert into t1 values (1), (2), (3);
|
||||
explain select a,(select (select rand() from t1 limit 1) from t1 limit 1)
|
||||
explain extended select a,(select (select rand() from t1 limit 1) from t1 limit 1)
|
||||
from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
|
||||
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3
|
||||
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache test.t1.a AS `a`,(select no_cache (select no_cache rand() AS `rand()` from test.t1 limit 1) AS `(select rand() from t1 limit 1)` from test.t1 limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from test.t1
|
||||
drop table t1;
|
||||
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
|
||||
ERROR 42S02: Table 'test.t1' doesn't exist
|
||||
@ -1115,18 +1157,22 @@ INSERT INTO t1 (pseudo) VALUES ('test');
|
||||
SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
0 IN (SELECT 1 FROM t1 a)
|
||||
0
|
||||
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
|
||||
Warnings:
|
||||
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a where isnull(1) having <is_not_null_test>(1) limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
|
||||
INSERT INTO t1 (pseudo) VALUES ('test1');
|
||||
SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
0 IN (SELECT 1 FROM t1 a)
|
||||
0
|
||||
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
|
||||
Warnings:
|
||||
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a where isnull(1) having <is_not_null_test>(1) limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
|
||||
drop table t1;
|
||||
CREATE TABLE `t1` (
|
||||
`i` int(11) NOT NULL default '0',
|
||||
@ -1165,10 +1211,12 @@ NULL
|
||||
drop table t1;
|
||||
create table t1 (id int not null auto_increment primary key, salary int, key(salary));
|
||||
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
|
||||
explain SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
|
||||
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ref salary salary 5 const 1 Using where
|
||||
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.id AS `id` from test.t1 where (test.t1.salary = (select max(test.t1.salary) AS `MAX(salary)` from test.t1))
|
||||
drop table t1;
|
||||
CREATE TABLE t1 (
|
||||
ID int(10) unsigned NOT NULL auto_increment,
|
||||
@ -1255,27 +1303,33 @@ a
|
||||
2
|
||||
3
|
||||
4
|
||||
explain select * from t2 where t2.a in (select a from t1);
|
||||
explain extended select * from t2 where t2.a in (select a from t1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 Using index
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<primary_index_lookup>(<cache>(test.t2.a) in t1 on PRIMARY)))
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
a
|
||||
2
|
||||
4
|
||||
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 Using index; Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<primary_index_lookup>(<cache>(test.t2.a) in t1 on PRIMARY where (test.t1.b <> 30))))
|
||||
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
a
|
||||
2
|
||||
3
|
||||
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 Using where
|
||||
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 Using where; Using index
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(select 1 AS `Not_used` from test.t1 join test.t3 where ((test.t1.b = test.t3.a) and (<cache>(test.t2.a) = test.t1.a)) limit 1))
|
||||
drop table t1, t2, t3;
|
||||
create table t1 (a int, b int, index a (a,b));
|
||||
create table t2 (a int, index a (a));
|
||||
@ -1288,27 +1342,33 @@ a
|
||||
2
|
||||
3
|
||||
4
|
||||
explain select * from t2 where t2.a in (select a from t1);
|
||||
explain extended select * from t2 where t2.a in (select a from t1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 Using index
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<index_lookup>(<cache>(test.t2.a) in t1 on a)))
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
a
|
||||
2
|
||||
4
|
||||
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 Using index; Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<index_lookup>(<cache>(test.t2.a) in t1 on a where (test.t1.b <> 30))))
|
||||
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
a
|
||||
2
|
||||
3
|
||||
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 Using index
|
||||
2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1000 Using where; Using index
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(select 1 AS `Not_used` from test.t1 join test.t3 where ((test.t1.b = test.t3.a) and (<cache>(test.t2.a) = test.t1.a)) limit 1))
|
||||
insert into t1 values (3,31);
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
a
|
||||
@ -1319,10 +1379,12 @@ select * from t2 where t2.a in (select a from t1 where t1.b <> 30 and t1.b <> 31
|
||||
a
|
||||
2
|
||||
4
|
||||
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
|
||||
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 Using index; Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<index_lookup>(<cache>(test.t2.a) in t1 on a where (test.t1.b <> 30))))
|
||||
drop table t1, t2, t3;
|
||||
create table t1 (a int, b int);
|
||||
create table t2 (a int, b int);
|
||||
@ -1387,9 +1449,11 @@ insert into t1 values ('tttt');
|
||||
select * from t1 where ('a','b')=(select 'a','b' from t1 union select 'a','b' from t1);
|
||||
s1
|
||||
tttt
|
||||
explain (select * from t1);
|
||||
explain extended (select * from t1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 system NULL NULL NULL NULL 1
|
||||
Warnings:
|
||||
Note 1003 (select high_priority test.t1.s1 AS `s1` from test.t1)
|
||||
(select * from t1);
|
||||
s1
|
||||
tttt
|
||||
@ -1418,22 +1482,30 @@ s1 s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')
|
||||
a1 0
|
||||
a2 1
|
||||
a3 1
|
||||
explain select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
|
||||
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
|
||||
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 Using index
|
||||
explain select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.s1 AS `s1`,not(<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from test.t1
|
||||
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
|
||||
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 Using index
|
||||
explain select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.s1 AS `s1`,<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL))) AS `s1 = ANY (SELECT s1 FROM t2)` from test.t1
|
||||
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
|
||||
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 Using index
|
||||
explain select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.s1 AS `s1`,not(<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from test.t1
|
||||
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
|
||||
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 1 Using index; Using where
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.s1 AS `s1`,not(<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL where (test.t2.s1 < _latin1'a2'))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from test.t1
|
||||
drop table t1,t2;
|
||||
create table t2 (a int, b int);
|
||||
create table t3 (a int);
|
||||
@ -1443,19 +1515,23 @@ a
|
||||
6
|
||||
7
|
||||
3
|
||||
explain select * from t3 where a >= all (select b from t2);
|
||||
explain extended select * from t3 where a >= all (select b from t2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
|
||||
2 SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t3.a AS `a` from test.t3 where <not>((test.t3.a < (select max(test.t2.b) from test.t2 limit 1)))
|
||||
insert into t2 values (2,2), (2,1), (3,3), (3,1);
|
||||
select * from t3 where a > all (select max(b) from t2 group by a);
|
||||
a
|
||||
6
|
||||
7
|
||||
explain select * from t3 where a > all (select max(b) from t2 group by a);
|
||||
explain extended select * from t3 where a > all (select max(b) from t2 group by a);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
|
||||
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t3.a AS `a` from test.t3 where <not>((test.t3.a <= <max>(select max(test.t2.b) AS `max(b)` from test.t2 group by test.t2.a)))
|
||||
drop table t2, t3;
|
||||
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) TYPE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
|
||||
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
|
||||
|
@ -492,6 +492,14 @@ collation(load_file('../../std_data/words.dat')),
|
||||
coercibility(load_file('../../std_data/words.dat'));
|
||||
charset(load_file('../../std_data/words.dat')) collation(load_file('../../std_data/words.dat')) coercibility(load_file('../../std_data/words.dat'))
|
||||
binary binary 3
|
||||
explain extended select
|
||||
charset(load_file('../../std_data/words.dat')),
|
||||
collation(load_file('../../std_data/words.dat')),
|
||||
coercibility(load_file('../../std_data/words.dat'));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache charset(load_file(_latin1'../../std_data/words.dat')) AS `charset(load_file('../../std_data/words.dat'))`,collation(load_file(_latin1'../../std_data/words.dat')) AS `collation(load_file('../../std_data/words.dat'))`,coercibility(load_file(_latin1'../../std_data/words.dat')) AS `coercibility(load_file('../../std_data/words.dat'))`
|
||||
update t1 set imagem=load_file('../../std_data/words.dat') where id=1;
|
||||
select if(imagem is null, "ERROR", "OK"),length(imagem) from t1 where id = 1;
|
||||
if(imagem is null, "ERROR", "OK") length(imagem)
|
||||
|
@ -86,10 +86,12 @@ a b
|
||||
1 a
|
||||
(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b;
|
||||
ERROR 42000: Table 't1' from one of SELECT's can not be used in global ORDER clause
|
||||
explain (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
|
||||
explain extended (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
|
||||
2 UNION t2 ALL NULL NULL NULL NULL 4 Using filesort
|
||||
Warnings:
|
||||
Note 1003 (select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 limit 2) union all (select test.t2.a AS `a`,test.t2.b AS `b` from test.t2 order by test.t2.a limit 1) order by b desc
|
||||
(select sql_calc_found_rows a,b from t1 limit 2) union all (select a,b from t2 order by a) limit 2;
|
||||
a b
|
||||
1 a
|
||||
@ -463,10 +465,12 @@ create table t1 (a int not null primary key auto_increment, b int, key(b));
|
||||
create table t2 (a int not null primary key auto_increment, b int);
|
||||
insert into t1 (b) values (1),(2),(2),(3);
|
||||
insert into t2 (b) values (10),(11),(12),(13);
|
||||
explain (select * from t1 where a=1) union (select * from t2 where a=1);
|
||||
explain extended (select * from t1 where a=1) union (select * from t2 where a=1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1
|
||||
2 UNION t2 const PRIMARY PRIMARY 4 const 1
|
||||
Warnings:
|
||||
Note 1003 (select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 where (test.t1.a = 1)) union (select test.t2.a AS `a`,test.t2.b AS `b` from test.t2 where (test.t2.a = 1))
|
||||
(select * from t1 where a=5) union (select * from t2 where a=1);
|
||||
a b
|
||||
1 10
|
||||
|
@ -11,9 +11,11 @@ x'31' X'ffff'+0
|
||||
create table t1 (ID int(8) unsigned zerofill not null auto_increment,UNIQ bigint(21) unsigned zerofill not null,primary key (ID),unique (UNIQ) );
|
||||
insert into t1 set UNIQ=0x38afba1d73e6a18a;
|
||||
insert into t1 set UNIQ=123;
|
||||
explain select * from t1 where UNIQ=0x38afba1d73e6a18a;
|
||||
explain extended select * from t1 where UNIQ=0x38afba1d73e6a18a;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 const UNIQ UNIQ 8 const 1
|
||||
Warnings:
|
||||
Note 1003 select high_priority test.t1.ID AS `ID`,test.t1.UNIQ AS `UNIQ` from test.t1 where (test.t1.UNIQ = 4084688022709641610)
|
||||
drop table t1;
|
||||
select x'hello';
|
||||
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'x'hello'' at line 1
|
||||
|
@ -22,6 +22,11 @@ NULL NULL NULL NULL
|
||||
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
|
||||
@t1:=(@t2:=1)+@t3:=4 @t1 @t2 @t3
|
||||
5 5 1 4
|
||||
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache (@t1:=((@t2:=1) + (@t3:=4))) AS `@t1:=(@t2:=1)+@t3:=4`,(@t1) AS `@t1`,(@t2) AS `@t2`,(@t3) AS `@t3`
|
||||
select @t5;
|
||||
@t5
|
||||
1.23456
|
||||
@ -76,9 +81,19 @@ select @@VERSION=version();
|
||||
select last_insert_id(345);
|
||||
last_insert_id(345)
|
||||
345
|
||||
explain extended select last_insert_id(345);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache last_insert_id(345) AS `last_insert_id(345)`
|
||||
select @@IDENTITY,last_insert_id(), @@identity;
|
||||
@@IDENTITY last_insert_id() @@identity
|
||||
345 345 345
|
||||
explain extended select @@IDENTITY,last_insert_id(), @@identity;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
|
||||
Warnings:
|
||||
Note 1003 select high_priority no_cache 345 AS `@@IDENTITY`,345 AS `last_insert_id()`,345 AS `@@identity`
|
||||
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
|
||||
set global concurrent_insert=ON;
|
||||
show variables like 'concurrent_insert';
|
||||
|
@ -80,6 +80,7 @@ create table t1 (i tinyint unsigned not null auto_increment primary key);
|
||||
insert into t1 set i = 254;
|
||||
insert into t1 set i = null;
|
||||
select last_insert_id();
|
||||
explain extended select last_insert_id();
|
||||
--error 1062
|
||||
insert into t1 set i = 254;
|
||||
select last_insert_id();
|
||||
|
@ -16,4 +16,5 @@ while ($1)
|
||||
}
|
||||
enable_query_log;
|
||||
select count(distinct n) from t1;
|
||||
explain extended select count(distinct n) from t1;
|
||||
drop table t1;
|
||||
|
@ -14,6 +14,7 @@ select CASE "b" when "a" then 1 when binary "B" then 2 WHEN "b" then "ok" END;
|
||||
select CASE concat("a","b") when concat("ab","") then "a" when "b" then "b" end;
|
||||
select CASE when 1=0 then "true" else "false" END;
|
||||
select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
|
||||
explain extended select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
|
||||
select CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END;
|
||||
select (CASE "two" when "one" then "1" WHEN "two" then "2" END) | 0;
|
||||
select (CASE "two" when "one" then 1.00 WHEN "two" then 2.00 END) +0.0;
|
||||
@ -30,6 +31,7 @@ select case when 1<0 then "TRUE" else "FALSE" END;
|
||||
create table t1 (a int);
|
||||
insert into t1 values(1),(2),(3),(4);
|
||||
select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
|
||||
explain extended select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
|
||||
select case a when 1 then "one" when 2 then "two" else "nothing" end as fcase, count(*) from t1 group by fcase;
|
||||
drop table t1;
|
||||
|
||||
@ -98,5 +100,9 @@ CREATE TABLE t1 SELECT
|
||||
COALESCE(1), COALESCE(1.0),COALESCE('a'),
|
||||
COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
|
||||
COALESCE('a' COLLATE latin1_bin,'b');
|
||||
explain extended SELECT
|
||||
COALESCE(1), COALESCE(1.0),COALESCE('a'),
|
||||
COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
|
||||
COALESCE('a' COLLATE latin1_bin,'b');
|
||||
SHOW CREATE TABLE t1;
|
||||
DROP TABLE t1;
|
||||
|
@ -8,6 +8,7 @@ select CONVERT('-1',UNSIGNED);
|
||||
select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
|
||||
select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
|
||||
select ~5, cast(~5 as signed);
|
||||
explain extended select ~5, cast(~5 as signed);
|
||||
select cast(5 as unsigned) -6.0;
|
||||
select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
|
||||
select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
|
||||
|
@ -139,6 +139,7 @@ SHOW FIELDS FROM t1;
|
||||
SET CHARACTER SET 'latin1';
|
||||
SHOW VARIABLES LIKE 'character_set_client';
|
||||
SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
|
||||
explain extended SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
|
||||
|
||||
SET CHARACTER SET koi8r;
|
||||
SHOW VARIABLES LIKE 'collation_client';
|
||||
|
@ -147,6 +147,12 @@ UPDATE t1 SET utf8_f=CONVERT(koi8_ru_f USING utf8);
|
||||
SET CHARACTER SET koi8r;
|
||||
SELECT * FROM t1;
|
||||
|
||||
#
|
||||
# codecovarage for Item_func_conv_charset3
|
||||
#
|
||||
select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
|
||||
explain extended select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
|
||||
|
||||
ALTER TABLE t1 ADD bin_f CHAR(32) BYTE NOT NULL;
|
||||
UPDATE t1 SET bin_f=koi8_ru_f;
|
||||
SELECT COUNT(DISTINCT bin_f),COUNT(DISTINCT koi8_ru_f),COUNT(DISTINCT utf8_f) FROM t1;
|
||||
|
@ -23,6 +23,8 @@ select locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2);
|
||||
select locate(_utf8 0xD091, _utf8 0xD0B0D0B1D0B2 collate utf8_bin);
|
||||
select locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2 collate utf8_bin);
|
||||
|
||||
select length(_utf8 0xD0B1), bit_length(_utf8 0xD0B1), char_length(_utf8 0xD0B1);
|
||||
|
||||
select 'a' like 'a';
|
||||
select 'A' like 'a';
|
||||
select 'A' like 'a' collate utf8_bin;
|
||||
|
@ -80,3 +80,4 @@ select get_format(DATE, 'USA') as a;
|
||||
select get_format(TIME, 'internal') as a;
|
||||
select get_format(DATETIME, 'eur') as a;
|
||||
|
||||
explain extended select makedate(1997,1), addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM"),cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME), maketime(23,11,12),microsecond("1997-12-31 23:59:59.000001");
|
||||
|
@ -16,6 +16,7 @@ INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
|
||||
# nl search
|
||||
|
||||
select * from t1 where MATCH(a,b) AGAINST ("collections");
|
||||
explain extended select * from t1 where MATCH(a,b) AGAINST ("collections");
|
||||
select * from t1 where MATCH(a,b) AGAINST ("indexes");
|
||||
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
|
||||
select * from t1 where MATCH(a,b) AGAINST ("only");
|
||||
@ -42,6 +43,7 @@ explain select * from t1 where MATCH(a,b) AGAINST ("collections")>0 and a like '
|
||||
# boolean search
|
||||
|
||||
select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
|
||||
explain extended select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
|
||||
select * from t1 where MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE);
|
||||
select * from t1 where MATCH(a,b) AGAINST("support +collections" IN BOOLEAN MODE);
|
||||
select * from t1 where MATCH(a,b) AGAINST("sear*" IN BOOLEAN MODE);
|
||||
|
@ -7,7 +7,9 @@ select @test_compress_string:='string for test compress function aaaaaaaaaaaaaaa
|
||||
select length(@test_compress_string);
|
||||
|
||||
select uncompress(compress(@test_compress_string));
|
||||
explain extended select uncompress(compress(@test_compress_string));
|
||||
select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
|
||||
explain extended select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
|
||||
select uncompressed_length(compress(@test_compress_string));
|
||||
select length(compress(@test_compress_string))<length(@test_compress_string);
|
||||
|
||||
|
19
mysql-test/t/func_default.test
Normal file
19
mysql-test/t/func_default.test
Normal file
@ -0,0 +1,19 @@
|
||||
--disable_warnings
|
||||
drop table if exists t1,t2;
|
||||
--enable_warnings
|
||||
|
||||
|
||||
create table t1(str varchar(10) default 'def',strnull varchar(10),intg int default '10',rel double default '3.14');
|
||||
|
||||
insert into t1 values ('','',0,0.0);
|
||||
select default(str), default(strnull), default(intg), default(rel) from t1;
|
||||
explain extended select default(str), default(strnull), default(intg), default(rel) from t1;
|
||||
select * from t1 where str <> default(str);
|
||||
explain select * from t1 where str <> default(str);
|
||||
|
||||
#TODO: uncomment when bug will be fixed
|
||||
#create table t2 select default(str), default(strnull), default(intg), default(rel) from t1;
|
||||
#show create table from t1;
|
||||
#insert into t2 select select default(str), default(strnull), default(intg), default(rel) from t1;
|
||||
|
||||
drop table t1;
|
@ -18,6 +18,7 @@ insert into t1 values (3,9,"D","c");
|
||||
|
||||
# Test of MySQL simple request
|
||||
select grp,group_concat(c) from t1 group by grp;
|
||||
explain extended select grp,group_concat(c) from t1 group by grp;
|
||||
select grp,group_concat(a,c) from t1 group by grp;
|
||||
select grp,group_concat("(",a,":",c,")") from t1 group by grp;
|
||||
|
||||
@ -33,9 +34,11 @@ select grp,group_concat(c order by 1) from t1 group by grp;
|
||||
select grp,group_concat(c order by "c") from t1 group by grp;
|
||||
select grp,group_concat(distinct c order by c) from t1 group by grp;
|
||||
select grp,group_concat(distinct c order by c desc) from t1 group by grp;
|
||||
explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp;
|
||||
select grp,group_concat(c order by c separator ",") from t1 group by grp;
|
||||
select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
|
||||
select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
|
||||
explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
|
||||
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
|
||||
|
||||
# Test of SQL_LIST objects
|
||||
|
@ -346,7 +346,8 @@ select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b)
|
||||
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
|
||||
insert into t1 values (3,1);
|
||||
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
|
||||
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
|
||||
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
|
||||
explain extended select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
|
||||
drop table t1;
|
||||
--disable_warnings
|
||||
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) type=InnoDB;
|
||||
|
@ -20,6 +20,13 @@ select if(1,st,st) s from t1 order by s;
|
||||
select if(u=1,st,st) s from t1 order by s;
|
||||
select if(u=1,binary st,st) s from t1 order by s;
|
||||
select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
|
||||
explain extended select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
|
||||
|
||||
#
|
||||
# NULLIF test
|
||||
#
|
||||
select nullif(u=0, 'test') from t1;
|
||||
explain extended select nullif(u=0, 'test') from t1;
|
||||
drop table t1;
|
||||
|
||||
#
|
||||
|
@ -72,6 +72,7 @@ select * from t1 where a in ('a');
|
||||
select * from t1 where 'a' collate latin1_general_ci in (a,b,c);
|
||||
select * from t1 where 'a' collate latin1_bin in (a,b,c);
|
||||
select * from t1 where 'a' in (a,b,c collate latin1_bin);
|
||||
explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin);
|
||||
drop table t1;
|
||||
|
||||
select '1.0' in (1,2);
|
||||
|
@ -3,17 +3,30 @@
|
||||
#
|
||||
|
||||
select floor(5.5),floor(-5.5);
|
||||
explain extended select floor(5.5),floor(-5.5);
|
||||
select ceiling(5.5),ceiling(-5.5);
|
||||
explain extended select ceiling(5.5),ceiling(-5.5);
|
||||
select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
|
||||
explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
|
||||
select round(5.5),round(-5.5);
|
||||
explain extended select round(5.5),round(-5.5);
|
||||
select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
|
||||
select abs(-10), sign(-5), sign(5), sign(0);
|
||||
explain extended select abs(-10), sign(-5), sign(5), sign(0);
|
||||
select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
|
||||
explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
|
||||
select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
|
||||
explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
|
||||
select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
|
||||
explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
|
||||
select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
|
||||
explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
|
||||
select pow(10,log10(10)),power(2,4);
|
||||
explain extended select pow(10,log10(10)),power(2,4);
|
||||
set @@rand_seed1=10000000,@@rand_seed2=1000000;
|
||||
select rand(999999),rand();
|
||||
explain extended select rand(999999),rand();
|
||||
select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
|
||||
explain extended select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
|
||||
select degrees(pi()),radians(360);
|
||||
explain extended select degrees(pi()),radians(360);
|
||||
|
@ -3,5 +3,7 @@
|
||||
# Simple operands and arithmetic grouping
|
||||
|
||||
select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
|
||||
explain extended select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
|
||||
select 1 | (1+1),5 & 3,bit_count(7) ;
|
||||
explain extended select 1 | (1+1),5 & 3,bit_count(7) ;
|
||||
select 1 << 32,1 << 63, 1 << 64, 4 >> 2, 4 >> 63, 1<< 63 >> 60;
|
||||
|
@ -36,6 +36,7 @@ drop table t1;
|
||||
create table t1 (xxx char(128));
|
||||
insert into t1 (xxx) values('this is a test of some long text to see what happens');
|
||||
select * from t1 where xxx regexp('is a test of some long text to');
|
||||
explain extended select * from t1 where xxx regexp('is a test of some long text to');
|
||||
select * from t1 where xxx regexp('is a test of some long text to ');
|
||||
select * from t1 where xxx regexp('is a test of some long text to s');
|
||||
select * from t1 where xxx regexp('is a test of some long text to se');
|
||||
|
@ -3,6 +3,7 @@
|
||||
#
|
||||
|
||||
select interval(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
|
||||
explain extended select INTERVAL(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
|
||||
select find_in_set("b","a,b,c"),find_in_set("c","a,b,c"),find_in_set("dd","a,bbb,dd"),find_in_set("bbb","a,bbb,dd");
|
||||
select find_in_set("d","a,b,c"),find_in_set("dd","a,bbb,d"),find_in_set("bb","a,bbb,dd");
|
||||
select make_set(0,'a','b','c'),make_set(-1,'a','b','c'),make_set(1,'a','b','c'),make_set(2,'a','b','c'),make_set(1+2,concat('a','b'),'c');
|
||||
|
@ -14,7 +14,9 @@ select 'hello',"'hello'",'""hello""','''h''e''l''l''o''',"hel""lo",'hel\'lo';
|
||||
select 'hello' 'monty';
|
||||
select length('\n\t\r\b\0\_\%\\');
|
||||
select bit_length('\n\t\r\b\0\_\%\\');
|
||||
select concat('monty',' was here ','again'),length('hello'),char(ascii('h'));
|
||||
select char_length('\n\t\r\b\0\_\%\\');
|
||||
select length(_latin1'\n\t\n\b\0\\_\\%\\');
|
||||
select concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h');
|
||||
select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
|
||||
select instr('hello','HE'), instr('hello',binary 'HE'), instr(binary 'hello','HE');
|
||||
select position(binary 'll' in 'hello'),position('a' in binary 'hello');
|
||||
@ -46,6 +48,7 @@ select null sounds like 'null';
|
||||
select 'null' sounds like null;
|
||||
select null sounds like null;
|
||||
select md5('hello');
|
||||
select crc32("123");
|
||||
select sha('abc');
|
||||
select sha1('abc');
|
||||
select aes_decrypt(aes_encrypt('abc','1'),'1');
|
||||
@ -336,3 +339,5 @@ INSERT INTO t1 VALUES ('Congress reconvenes in September to debate welfare and a
|
||||
INSERT INTO t1 VALUES ('House passes the CAREERS bill');
|
||||
SELECT CONCAT("</a>",RPAD("",(55 - LENGTH(title)),".")) from t1;
|
||||
DROP TABLE t1;
|
||||
|
||||
explain extended select md5('hello'), sha('abc'), sha1('abc'), soundex(''), 'mood' sounds like 'mud', aes_decrypt(aes_encrypt('abc','1'),'1'),concat('*',space(5),'*'), reverse('abc'), rpad('a',4,'1'), lpad('a',4,'1'), concat_ws(',','',NULL,'a'),make_set(255,_latin2'a',_latin2'b',_latin2'c'),elt(2,1),locate("a","b",2),format(130,10),char(0),conv(130,16,10),hex(130),binary 'HE', export_set(255,_latin2'y',_latin2'n',_latin2' '),FIELD('b' COLLATE latin1_bin,'A','B'),FIND_IN_SET(_latin1'B',_latin1'a,b,c,d'),collation(conv(130,16,10)), coercibility(conv(130,16,10)),length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h'),quote(1/0),crc32("123");
|
||||
|
@ -17,6 +17,7 @@ select version()>="3.23.29";
|
||||
select version()>=_utf8"3.23.29";
|
||||
select version()>=_latin1"3.23.29";
|
||||
select charset(version());
|
||||
explain extended select database(), user();
|
||||
|
||||
create table t1 (version char(40)) select database(), user(), version() as 'version';
|
||||
show create table t1;
|
||||
|
@ -19,13 +19,19 @@ select 'b' between 'a' and 'c', 'B' between 'a' and 'c';
|
||||
select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
|
||||
select -1.49 or -1.49,0.6 or 0.6;
|
||||
select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
|
||||
explain extended select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
|
||||
select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
|
||||
select 10 % 7, 10 mod 7, 10 div 3;
|
||||
explain extended select 10 % 7, 10 mod 7, 10 div 3;
|
||||
select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
|
||||
explain extended select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
|
||||
|
||||
create table t1 (a int);
|
||||
insert t1 values (1);
|
||||
select * from t1 where 1 xor 1;
|
||||
explain extended select * from t1 where 1 xor 1;
|
||||
select - a from t1;
|
||||
explain extended select - a from t1;
|
||||
drop table t1;
|
||||
|
||||
#
|
||||
@ -41,6 +47,7 @@ select 1 and 0 or 2, 2 or 1 and 0;
|
||||
#
|
||||
select _koi8r'a' = _koi8r'A';
|
||||
select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
|
||||
explain extended select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
|
||||
select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin;
|
||||
select _koi8r'a' COLLATE koi8r_general_ci = _koi8r'A';
|
||||
select _koi8r'a' COLLATE koi8r_bin = _koi8r'A';
|
||||
|
@ -7,6 +7,7 @@ drop table if exists t1,t2,t3;
|
||||
|
||||
select from_days(to_days("960101")),to_days(960201)-to_days("19960101"),to_days(date_add(curdate(), interval 1 day))-to_days(curdate()),weekday("1997-11-29");
|
||||
select period_add("9602",-12),period_diff(199505,"9404") ;
|
||||
|
||||
select now()-now(),weekday(curdate())-weekday(now()),unix_timestamp()-unix_timestamp(now());
|
||||
select from_unixtime(unix_timestamp("1994-03-02 10:11:12")),from_unixtime(unix_timestamp("1994-03-02 10:11:12"),"%Y-%m-%d %h:%i:%s"),from_unixtime(unix_timestamp("1994-03-02 10:11:12"))+0;
|
||||
select sec_to_time(9001),sec_to_time(9001)+0,time_to_sec("15:12:22"),
|
||||
@ -231,3 +232,5 @@ select strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%Y-%m-%d"
|
||||
select strcmp(date_format(utc_timestamp(),"%T"), utc_time())=0;
|
||||
select strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0;
|
||||
select strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0;
|
||||
|
||||
explain extended select period_add("9602",-12),period_diff(199505,"9404"),from_days(to_days("960101")),dayofmonth("1997-01-02"), month("1997-01-02"), monthname("1972-03-04"),dayofyear("0000-00-00"),HOUR("1997-03-03 23:03:22"),MINUTE("23:03:22"),SECOND(230322),QUARTER(980303),WEEK("1998-03-03"),yearweek("2000-01-01",1),week(19950101,1),year("98-02-03"),weekday(curdate())-weekday(now()),dayname("1962-03-03"),unix_timestamp(),sec_to_time(time_to_sec("0:30:47")/6.21),curtime(),utc_time(),curdate(),utc_date(),utc_timestamp(),date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w"),from_unixtime(unix_timestamp("1994-03-02 10:11:12")),"1997-12-31 23:59:59" + INTERVAL 1 SECOND,"1998-01-01 00:00:00" - INTERVAL 1 SECOND,INTERVAL 1 DAY + "1997-12-31", extract(YEAR FROM "1999-01-02 10:11:12"),date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);
|
||||
|
@ -260,7 +260,7 @@ explain select spid,count(*) from t1 where spid between 1 and 2 group by spid;
|
||||
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid order by null;
|
||||
select spid,count(*) from t1 where spid between 1 and 2 group by spid;
|
||||
select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
|
||||
explain select sql_big_result spid,sum(userid) from t1 group by spid desc;
|
||||
explain extended select sql_big_result spid,sum(userid) from t1 group by spid desc;
|
||||
explain select sql_big_result spid,sum(userid) from t1 group by spid desc order by null;
|
||||
select sql_big_result spid,sum(userid) from t1 group by spid desc;
|
||||
explain select sql_big_result score,count(*) from t1 group by score desc;
|
||||
|
@ -10,6 +10,7 @@ select count(a) as b from t1 where a=0 having b > 0;
|
||||
insert into t1 values (null);
|
||||
select count(a) as b from t1 where a=0 having b > 0;
|
||||
select count(a) as b from t1 where a=0 having b >=0;
|
||||
explain extended select count(a) as b from t1 where a=0 having b >=0;
|
||||
drop table t1;
|
||||
|
||||
#
|
||||
|
@ -23,4 +23,6 @@ INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
|
||||
SELECT * FROM t1;
|
||||
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
|
||||
SELECT *, VALUES(a) FROM t1;
|
||||
explain extended SELECT *, VALUES(a) FROM t1;
|
||||
explain extended select * from t1 where values(a);
|
||||
DROP TABLE t1;
|
||||
|
@ -8,6 +8,7 @@ drop table if exists t1;
|
||||
#
|
||||
|
||||
select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
|
||||
explain extended select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
|
||||
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
|
||||
select NULL=NULL,NULL<>NULL,IFNULL(NULL,1.1)+0,IFNULL(NULL,1) | 0;
|
||||
select strcmp("a",NULL),(1<NULL)+0.0,NULL regexp "a",null like "a%","a%" like null;
|
||||
@ -15,10 +16,12 @@ select concat("a",NULL),replace(NULL,"a","b"),replace("string","i",NULL),replace
|
||||
select repeat("a",0),repeat("ab",5+5),repeat("ab",-1),reverse(NULL);
|
||||
select field(NULL,"a","b","c");
|
||||
select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
|
||||
explain extended select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
|
||||
SELECT NULL AND NULL, 1 AND NULL, NULL AND 1, NULL OR NULL, 0 OR NULL, NULL OR 0;
|
||||
SELECT (NULL OR NULL) IS NULL;
|
||||
select NULL AND 0, 0 and NULL;
|
||||
select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
|
||||
explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
|
||||
|
||||
create table t1 (x int);
|
||||
insert into t1 values (null);
|
||||
|
@ -32,7 +32,7 @@ select product, sum(profit),avg(profit) from t1 group by product with rollup;
|
||||
# Sub totals
|
||||
select product, country_id , year, sum(profit) from t1 group by product, country_id, year;
|
||||
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
|
||||
explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
|
||||
explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
|
||||
select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup;
|
||||
|
||||
# limit
|
||||
|
@ -184,6 +184,7 @@ select RAND() from t1;
|
||||
select UNIX_TIMESTAMP() from t1;
|
||||
select USER() from t1;
|
||||
select benchmark(1,1) from t1;
|
||||
explain extended select benchmark(1,1) from t1;
|
||||
show status like "Qcache_queries_in_cache";
|
||||
#
|
||||
# Tests when the cache is filled
|
||||
|
@ -18,6 +18,7 @@ select (1,2,(3,4)) IN ((3,2,(3,4)), (1,2,(3,4)));
|
||||
-- error 1240
|
||||
select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,4));
|
||||
select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
|
||||
explain extended select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
|
||||
|
||||
SELECT (1,2,3)=(0,NULL,3);
|
||||
SELECT (1,2,3)=(1,NULL,3);
|
||||
|
@ -62,10 +62,12 @@ enable_query_log;
|
||||
# Try to cause a large relay log lag on the slave
|
||||
connection slave;
|
||||
select get_lock("hold_slave",10);
|
||||
explain extended select get_lock("hold_slave",10);
|
||||
start slave;
|
||||
#hope this is long enough for I/O thread to fetch over 16K relay log data
|
||||
sleep 3;
|
||||
select release_lock("hold_slave");
|
||||
explain extended select release_lock("hold_slave");
|
||||
unlock tables;
|
||||
|
||||
connection master;
|
||||
|
@ -5,6 +5,7 @@ insert into t1 values(get_lock("lock",2));
|
||||
dirty_close master;
|
||||
connection master1;
|
||||
select get_lock("lock",2);
|
||||
|
||||
select release_lock("lock");
|
||||
#ignore
|
||||
disable_query_log;
|
||||
@ -21,7 +22,8 @@ connection slave;
|
||||
sync_with_master;
|
||||
select get_lock("lock",3);
|
||||
select * from t1;
|
||||
select is_free_lock("lock");
|
||||
select is_free_lock("lock"), is_used_lock("lock");
|
||||
explain extended select is_free_lock("lock"), is_used_lock("lock");
|
||||
# Check lock functions
|
||||
select is_free_lock("lock2");
|
||||
select is_free_lock(NULL);
|
||||
|
@ -7,6 +7,7 @@ sync_with_master;
|
||||
# Ask for a master log that has certainly not been reached yet
|
||||
# timeout= 2 seconds
|
||||
select master_pos_wait('master-bin.999999',0,2);
|
||||
explain extended select master_pos_wait('master-bin.999999',0,2);
|
||||
# Testcase for bug 651 (master_pos_wait() hangs if slave idle and STOP SLAVE).
|
||||
send select master_pos_wait('master-bin.999999',0);
|
||||
connection slave1;
|
||||
|
@ -1596,6 +1596,7 @@ select count(*) from t1;
|
||||
select companynr,count(*),sum(fld1) from t2 group by companynr;
|
||||
select companynr,count(*) from t2 group by companynr order by companynr desc limit 5;
|
||||
select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
|
||||
explain extended select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
|
||||
select companynr,count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 group by companynr limit 3;
|
||||
select companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
|
||||
select /*! SQL_SMALL_RESULT */ companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
|
||||
|
@ -4,11 +4,11 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
|
||||
--enable_warnings
|
||||
|
||||
select (select 2);
|
||||
explain select (select 2);
|
||||
explain extended select (select 2);
|
||||
SELECT (SELECT 1) UNION SELECT (SELECT 2);
|
||||
explain SELECT (SELECT 1) UNION SELECT (SELECT 2);
|
||||
explain extended SELECT (SELECT 1) UNION SELECT (SELECT 2);
|
||||
SELECT (SELECT (SELECT 0 UNION SELECT 0));
|
||||
explain SELECT (SELECT (SELECT 0 UNION SELECT 0));
|
||||
explain extended SELECT (SELECT (SELECT 0 UNION SELECT 0));
|
||||
-- error 1246
|
||||
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
|
||||
-- error 1246
|
||||
@ -16,7 +16,7 @@ SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1)
|
||||
SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
|
||||
-- error 1246
|
||||
SELECT (SELECT a) as a;
|
||||
EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
|
||||
EXPLAIN EXTENDED SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
|
||||
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
|
||||
-- error 1054
|
||||
SELECT (SELECT 1), a;
|
||||
@ -74,17 +74,17 @@ insert into t3 values (6),(7),(3);
|
||||
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
|
||||
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 order by a limit 2) limit 3;
|
||||
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
|
||||
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
|
||||
explain extended (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
|
||||
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
|
||||
select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
|
||||
(select * from t2 where a>1) as tt;
|
||||
explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
|
||||
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
|
||||
(select * from t2 where a>1) as tt;
|
||||
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
|
||||
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a > t1.a) order by 1 desc limit 1);
|
||||
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a < t1.a) order by 1 desc limit 1);
|
||||
select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
|
||||
explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
|
||||
explain extended select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
|
||||
select * from t3 where exists (select * from t2 where t2.b=t3.a);
|
||||
select * from t3 where not exists (select * from t2 where t2.b=t3.a);
|
||||
select * from t3 where a in (select b from t2);
|
||||
@ -100,7 +100,7 @@ insert into t2 values (100, 5);
|
||||
select * from t3 where a < any (select b from t2);
|
||||
select * from t3 where a < all (select b from t2);
|
||||
select * from t3 where a >= any (select b from t2);
|
||||
explain select * from t3 where a >= any (select b from t2);
|
||||
explain extended select * from t3 where a >= any (select b from t2);
|
||||
select * from t3 where a >= all (select b from t2);
|
||||
delete from t2 where a=100;
|
||||
-- error 1240
|
||||
@ -120,7 +120,7 @@ insert into t5 values (5);
|
||||
select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
|
||||
insert into t5 values (2);
|
||||
select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
|
||||
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
|
||||
explain extended select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
|
||||
-- error 1241
|
||||
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
|
||||
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
|
||||
@ -128,7 +128,7 @@ create table t7( uq int primary key, name char(25));
|
||||
insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
|
||||
insert into t6 values (1,1),(1,2),(2,2),(1,3);
|
||||
select * from t6 where exists (select * from t7 where uq = clinic_uq);
|
||||
explain select * from t6 where exists (select * from t7 where uq = clinic_uq);
|
||||
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
|
||||
|
||||
# not unique fields
|
||||
-- error 1052
|
||||
@ -157,7 +157,7 @@ CREATE TABLE `t8` (
|
||||
INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
|
||||
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
|
||||
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
|
||||
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
|
||||
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
|
||||
-- error 1240
|
||||
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
|
||||
t8 WHERE pseudo='joce');
|
||||
@ -180,14 +180,14 @@ CREATE TABLE `t1` (
|
||||
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
|
||||
INSERT INTO t1 (topic,date,pseudo) VALUES
|
||||
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
|
||||
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
|
||||
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
|
||||
EXPLAIN EXTENDED SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
|
||||
EXPLAIN EXTENDED SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
|
||||
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
|
||||
SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
|
||||
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
|
||||
-- error 1241
|
||||
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
|
||||
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
|
||||
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
|
||||
drop table t1;
|
||||
|
||||
#forumconthardwarefr7 searchconthardwarefr7
|
||||
@ -276,9 +276,9 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=a) FROM (SELECT
|
||||
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
|
||||
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
|
||||
-- error 1241
|
||||
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
|
||||
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
|
||||
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
|
||||
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
|
||||
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
|
||||
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
|
||||
drop table t1;
|
||||
|
||||
CREATE TABLE t1 (a int(1));
|
||||
@ -395,11 +395,11 @@ SELECT * FROM (SELECT 1) b WHERE 1 IN (SELECT *);
|
||||
CREATE TABLE t2 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
|
||||
INSERT INTO t2 VALUES (1),(2);
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||||
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1);
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||||
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||||
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
|
||||
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
|
||||
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
|
||||
-- error 1093
|
||||
@ -455,7 +455,7 @@ select 1.5 > ALL (SELECT * from t1);
|
||||
select 10.5 > ALL (SELECT * from t1);
|
||||
select 1.5 > ANY (SELECT * from t1);
|
||||
select 10.5 > ANY (SELECT * from t1);
|
||||
explain select (select a+1) from t1;
|
||||
explain extended select (select a+1) from t1;
|
||||
select (select a+1) from t1;
|
||||
drop table t1;
|
||||
|
||||
@ -468,11 +468,11 @@ CREATE TABLE t2 (a int(11) default '0', INDEX (a));
|
||||
INSERT INTO t1 VALUES (1),(2),(3),(4);
|
||||
INSERT INTO t2 VALUES (1),(2),(3);
|
||||
SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||||
explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||||
explain extended SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
|
||||
CREATE TABLE t3 (a int(11) default '0');
|
||||
INSERT INTO t3 VALUES (1),(2),(3);
|
||||
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
|
||||
explain SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
|
||||
explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
|
||||
drop table t1,t2,t3;
|
||||
|
||||
#LIMIT is not supported now
|
||||
@ -549,9 +549,9 @@ drop table t1;
|
||||
|
||||
#test of uncacheable subqueries
|
||||
CREATE TABLE t1 (a int(1));
|
||||
EXPLAIN SELECT (SELECT RAND() FROM t1) FROM t1;
|
||||
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
|
||||
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
|
||||
EXPLAIN EXTENDED SELECT (SELECT RAND() FROM t1) FROM t1;
|
||||
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
|
||||
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
|
||||
drop table t1;
|
||||
|
||||
|
||||
@ -613,7 +613,7 @@ drop table t1;
|
||||
|
||||
create table t1 (a int);
|
||||
insert into t1 values (1), (2), (3);
|
||||
explain select a,(select (select rand() from t1 limit 1) from t1 limit 1)
|
||||
explain extended select a,(select (select rand() from t1 limit 1) from t1 limit 1)
|
||||
from t1;
|
||||
drop table t1;
|
||||
|
||||
@ -677,10 +677,10 @@ CREATE TABLE `t1` (
|
||||
) TYPE=MyISAM PACK_KEYS=1 ROW_FORMAT=DYNAMIC;
|
||||
INSERT INTO t1 (pseudo) VALUES ('test');
|
||||
SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
INSERT INTO t1 (pseudo) VALUES ('test1');
|
||||
SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
|
||||
drop table t1;
|
||||
|
||||
CREATE TABLE `t1` (
|
||||
@ -727,7 +727,7 @@ drop table t1;
|
||||
#
|
||||
create table t1 (id int not null auto_increment primary key, salary int, key(salary));
|
||||
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
|
||||
explain SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
|
||||
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
|
||||
drop table t1;
|
||||
|
||||
CREATE TABLE t1 (
|
||||
@ -824,11 +824,11 @@ insert into t1 values (1,10), (2,20), (3,30), (4,40);
|
||||
insert into t2 values (2), (3), (4), (5);
|
||||
insert into t3 values (10,3), (20,4), (30,5);
|
||||
select * from t2 where t2.a in (select a from t1);
|
||||
explain select * from t2 where t2.a in (select a from t1);
|
||||
explain extended select * from t2 where t2.a in (select a from t1);
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
drop table t1, t2, t3;
|
||||
create table t1 (a int, b int, index a (a,b));
|
||||
create table t2 (a int, index a (a));
|
||||
@ -846,15 +846,15 @@ enable_query_log;
|
||||
insert into t2 values (2), (3), (4), (5);
|
||||
insert into t3 values (10,3), (20,4), (30,5);
|
||||
select * from t2 where t2.a in (select a from t1);
|
||||
explain select * from t2 where t2.a in (select a from t1);
|
||||
explain extended select * from t2 where t2.a in (select a from t1);
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
|
||||
insert into t1 values (3,31);
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
select * from t2 where t2.a in (select a from t1 where t1.b <> 30 and t1.b <> 31);
|
||||
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
|
||||
drop table t1, t2, t3;
|
||||
|
||||
#
|
||||
@ -935,7 +935,7 @@ create table t1 (s1 char(5));
|
||||
select (select 'a','b' from t1 union select 'a','b' from t1) from t1;
|
||||
insert into t1 values ('tttt');
|
||||
select * from t1 where ('a','b')=(select 'a','b' from t1 union select 'a','b' from t1);
|
||||
explain (select * from t1);
|
||||
explain extended (select * from t1);
|
||||
(select * from t1);
|
||||
drop table t1;
|
||||
|
||||
@ -950,10 +950,10 @@ select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
|
||||
select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
|
||||
select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
|
||||
select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
|
||||
explain select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
|
||||
explain select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
|
||||
explain select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
|
||||
explain select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
|
||||
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
|
||||
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
|
||||
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
|
||||
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
|
||||
drop table t1,t2;
|
||||
|
||||
#
|
||||
@ -963,14 +963,14 @@ create table t2 (a int, b int);
|
||||
create table t3 (a int);
|
||||
insert into t3 values (6),(7),(3);
|
||||
select * from t3 where a >= all (select b from t2);
|
||||
explain select * from t3 where a >= all (select b from t2);
|
||||
explain extended select * from t3 where a >= all (select b from t2);
|
||||
|
||||
#
|
||||
# optimized static ALL/ANY with grouping
|
||||
#
|
||||
insert into t2 values (2,2), (2,1), (3,3), (3,1);
|
||||
select * from t3 where a > all (select max(b) from t2 group by a);
|
||||
explain select * from t3 where a > all (select max(b) from t2 group by a);
|
||||
explain extended select * from t3 where a > all (select max(b) from t2 group by a);
|
||||
drop table t2, t3;
|
||||
|
||||
#
|
||||
|
@ -298,6 +298,10 @@ select
|
||||
charset(load_file('../../std_data/words.dat')),
|
||||
collation(load_file('../../std_data/words.dat')),
|
||||
coercibility(load_file('../../std_data/words.dat'));
|
||||
explain extended select
|
||||
charset(load_file('../../std_data/words.dat')),
|
||||
collation(load_file('../../std_data/words.dat')),
|
||||
coercibility(load_file('../../std_data/words.dat'));
|
||||
update t1 set imagem=load_file('../../std_data/words.dat') where id=1;
|
||||
select if(imagem is null, "ERROR", "OK"),length(imagem) from t1 where id = 1;
|
||||
drop table t1;
|
||||
|
@ -25,7 +25,7 @@ select 't1',b,count(*) from t1 group by b UNION select 't2',b,count(*) from t2 g
|
||||
(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
|
||||
--error 1249
|
||||
(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b;
|
||||
explain (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
|
||||
explain extended (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
|
||||
(select sql_calc_found_rows a,b from t1 limit 2) union all (select a,b from t2 order by a) limit 2;
|
||||
select found_rows();
|
||||
select sql_calc_found_rows a,b from t1 union all select a,b from t2 limit 2;
|
||||
@ -275,7 +275,7 @@ create table t2 (a int not null primary key auto_increment, b int);
|
||||
insert into t1 (b) values (1),(2),(2),(3);
|
||||
insert into t2 (b) values (10),(11),(12),(13);
|
||||
|
||||
explain (select * from t1 where a=1) union (select * from t2 where a=1);
|
||||
explain extended (select * from t1 where a=1) union (select * from t2 where a=1);
|
||||
(select * from t1 where a=5) union (select * from t2 where a=1);
|
||||
(select * from t1 where a=5 and a=6) union (select * from t2 where a=1);
|
||||
(select t1.a,t1.b from t1,t2 where t1.a=5) union (select * from t2 where a=1);
|
||||
|
@ -18,7 +18,7 @@ select x'31',X'ffff'+0;
|
||||
create table t1 (ID int(8) unsigned zerofill not null auto_increment,UNIQ bigint(21) unsigned zerofill not null,primary key (ID),unique (UNIQ) );
|
||||
insert into t1 set UNIQ=0x38afba1d73e6a18a;
|
||||
insert into t1 set UNIQ=123;
|
||||
explain select * from t1 where UNIQ=0x38afba1d73e6a18a;
|
||||
explain extended select * from t1 where UNIQ=0x38afba1d73e6a18a;
|
||||
drop table t1;
|
||||
|
||||
#
|
||||
|
@ -16,6 +16,7 @@ select @test_int,@test_double,@test_string,@test_string2;
|
||||
set @test_int=null,@test_double=null,@test_string=null,@test_string2=null;
|
||||
select @test_int,@test_double,@test_string,@test_string2;
|
||||
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
|
||||
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
|
||||
select @t5;
|
||||
|
||||
#
|
||||
@ -52,7 +53,9 @@ select @@local.max_join_size, @@global.max_join_size;
|
||||
select @@identity, length(@@version)>0;
|
||||
select @@VERSION=version();
|
||||
select last_insert_id(345);
|
||||
explain extended select last_insert_id(345);
|
||||
select @@IDENTITY,last_insert_id(), @@identity;
|
||||
explain extended select @@IDENTITY,last_insert_id(), @@identity;
|
||||
|
||||
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
|
||||
|
||||
|
Reference in New Issue
Block a user