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merge

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bell@sanja.is.com.ua
2004-03-16 17:35:49 +02:00
parent e970ff9e87 7593d8a056
commit c9938b9dff
3 changed files with 20 additions and 2 deletions
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6
mysql-test/r/derived.result
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@ -320,3 +320,9 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1 1 PRIMARY <derived2> system NULL NULL NULL NULL 1
2 DERIVED t2 range PRIMARY PRIMARY 4 NULL 2 Using where; Using index 2 DERIVED t2 range PRIMARY PRIMARY 4 NULL 2 Using where; Using index
drop table t2; drop table t2;
CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
min max avg
10.00 10.00 10
DROP TABLE t1;

9
mysql-test/t/derived.test
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@ -188,7 +188,6 @@ INSERT INTO t3 VALUES (1000,0.00),(1001,0.25),(1002,0.50),(1003,0.75),(1008,1.00
select 497, TMP.ID, NULL from (select 497 as ID, MAX(t3.DATA) as DATA from t1 join t2 on (t1.ObjectID = t2.ID) join t3 on (t1.ObjectID = t3.ID) group by t2.ParID order by DATA DESC) as TMP; select 497, TMP.ID, NULL from (select 497 as ID, MAX(t3.DATA) as DATA from t1 join t2 on (t1.ObjectID = t2.ID) join t3 on (t1.ObjectID = t3.ID) group by t2.ParID order by DATA DESC) as TMP;
drop table t1, t2, t3; drop table t1, t2, t3;
# #
# explain derived # explain derived
# #
@ -206,3 +205,11 @@ insert into t2 values (1,7),(2,7);
explain select a from t2 where a>1; explain select a from t2 where a>1;
explain select a from (select a from t2 where a>1) tt; explain select a from (select a from t2 where a>1) tt;
drop table t2; drop table t2;
#
# select list counter
#
CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
DROP TABLE t1;

7
sql/sql_yacc.yy
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@ -3249,8 +3249,13 @@ select_derived:
YYABORT; YYABORT;
mysql_init_select(lex); mysql_init_select(lex);
lex->current_select->linkage= DERIVED_TABLE_TYPE; lex->current_select->linkage= DERIVED_TABLE_TYPE;
lex->current_select->parsing_place= SELECT_LEX_NODE::SELECT_LIST;
} }
select_options select_item_list opt_select_from union_opt select_options select_item_list
{
Select->parsing_place= SELECT_LEX_NODE::NO_MATTER;
}
opt_select_from union_opt
; ;
opt_outer: opt_outer: