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configure.in:
  Auto merged
client/mysqlbinlog.cc:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/archive.result:
  Auto merged
mysql-test/r/auto_increment.result:
  Auto merged
mysql-test/r/cast.result:
  Auto merged
mysql-test/r/ctype_utf8.result:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/r/func_str.result:
  Auto merged
mysql-test/r/func_time.result:
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mysql-test/r/multi_update.result:
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mysql-test/r/ndb_lock.result:
  Auto merged
mysql-test/r/replace.result:
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mysql-test/r/union.result:
  Auto merged
mysql-test/t/archive.test:
  Auto merged
mysql-test/t/auto_increment.test:
  Auto merged
mysql-test/t/delayed.test:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
mysql-test/t/multi_update.test:
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mysql-test/t/ndb_lock.test:
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mysql-test/t/select.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_strfunc.cc:
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sql/item_timefunc.cc:
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sql/opt_range.cc:
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sql/opt_sum.cc:
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sql/sql_base.cc:
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sql/sql_class.cc:
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sql/sql_class.h:
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sql/sql_insert.cc:
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sql/sql_lex.cc:
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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_yacc.yy:
  Auto merged
sql/structs.h:
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storage/archive/ha_archive.cc:
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tests/mysql_client_test.c:
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This commit is contained in:
unknown
2006-06-18 14:56:35 +04:00
parent 60a9c875e8 9ec3f63f7e
commit 610b1a4ebd
51 changed files with 1061 additions and 231 deletions
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35
mysql-test/r/func_group.result
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@@ -821,6 +821,41 @@ SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
MAX(id)
NULL
DROP TABLE t1;
CREATE TABLE t1 (id int PRIMARY KEY, b char(3), INDEX(b));
INSERT INTO t1 VALUES (1,'xx'), (2,'aa');
SELECT * FROM t1;
id b
1 xx
2 aa
SELECT MAX(b) FROM t1 WHERE b < 'ppppp';
MAX(b)
aa
SHOW WARNINGS;
Level Code Message
SELECT MAX(b) FROM t1 WHERE b < 'pp';
MAX(b)
aa
DROP TABLE t1;
CREATE TABLE t1 (id int PRIMARY KEY, b char(16), INDEX(b(4)));
INSERT INTO t1 VALUES (1, 'xxxxbbbb'), (2, 'xxxxaaaa');
SELECT MAX(b) FROM t1;
MAX(b)
xxxxbbbb
EXPLAIN SELECT MAX(b) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
DROP TABLE t1;
CREATE TABLE t1 (id int , b varchar(512), INDEX(b(250))) COLLATE latin1_bin;
INSERT INTO t1 VALUES
(1,CONCAT(REPEAT('_', 250), "qq")), (1,CONCAT(REPEAT('_', 250), "zz")),
(1,CONCAT(REPEAT('_', 250), "aa")), (1,CONCAT(REPEAT('_', 250), "ff"));
SELECT MAX(b) FROM t1;
MAX(b)
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________zz
EXPLAIN SELECT MAX(b) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4
DROP TABLE t1;
create table t2 (ff double);
insert into t2 values (2.2);
select cast(sum(distinct ff) as decimal(5,2)) from t2;