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assigned correct lex->current_select for derived tables (BUG#2349)

moved LIMIT initialialization, because it is need only for single select derived table
This commit is contained in:
bell@sanja.is.com.ua
2004-01-14 15:15:42 +02:00
parent ca27da12fe
commit 4714f690f1
3 changed files with 65 additions and 8 deletions

View File

@ -245,3 +245,31 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2
3 UNION t1 ALL NULL NULL NULL NULL 2
drop table t1;
CREATE TABLE t1 (
OBJECTID int(11) NOT NULL default '0',
SORTORDER int(11) NOT NULL auto_increment,
KEY t1_SortIndex (SORTORDER),
KEY t1_IdIndex (OBJECTID)
) TYPE=MyISAM DEFAULT CHARSET=latin1;
Warnings:
Warning 1286 'TYPE=database_engine' is deprecated. Use 'ENGINE=database_engine' instead.
CREATE TABLE t2 (
ID int(11) default NULL,
PARID int(11) default NULL,
UNIQUE KEY t2_ID_IDX (ID),
KEY t2_PARID_IDX (PARID)
) TYPE=MyISAM DEFAULT CHARSET=latin1;
Warnings:
Warning 1286 'TYPE=database_engine' is deprecated. Use 'ENGINE=database_engine' instead.
INSERT INTO t2 VALUES (1000,0),(1001,0),(1002,0),(1003,0),(1008,1),(1009,1),(1010,1),(1011,1),(1016,2);
CREATE TABLE t3 (
ID int(11) default NULL,
DATA decimal(10,2) default NULL,
UNIQUE KEY t3_ID_IDX (ID)
) TYPE=MyISAM DEFAULT CHARSET=latin1;
Warnings:
Warning 1286 'TYPE=database_engine' is deprecated. Use 'ENGINE=database_engine' instead.
INSERT INTO t3 VALUES (1000,0.00),(1001,0.25),(1002,0.50),(1003,0.75),(1008,1.00),(1009,1.25),(1010,1.50),(1011,1.75);
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;
497 ID NULL
drop table t1, t2, t3;