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Fixed LP bug #879871.

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The function add_ref_to_table_cond missed updating the value of
join_tab->pre_idx_push_select_cond after having updated the value
of join_tab->select->pre_idx_push_select_cond.
This commit is contained in:
Igor Babaev
2011-11-11 14:53:26 -08:00
parent 402258ff95
commit b91a6bd88b
5 changed files with 67 additions and 1 deletions
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20
mysql-test/include/icp_tests.inc
View File

@ -724,3 +724,23 @@ SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
DROP TABLE t1,t2;
--echo #
--echo # Bug#879871: InnoDB: possible ICP + GROUP BY primary index
--echo #
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
DROP TABLE t1;

15
mysql-test/r/innodb_icp.result
View File

@ -686,5 +686,20 @@ HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
DROP TABLE t1,t2;
#
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
#
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
DROP TABLE t1;
set optimizer_switch=@innodb_icp_tmp;
set storage_engine= @save_storage_engine;

15
mysql-test/r/maria_icp.result
View File

@ -692,5 +692,20 @@ HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
DROP TABLE t1,t2;
#
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
#
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
DROP TABLE t1;
set storage_engine= @save_storage_engine;
set optimizer_switch=@maria_icp_tmp;

15
mysql-test/r/myisam_icp.result
View File

@ -690,6 +690,21 @@ HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
DROP TABLE t1,t2;
#
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
#
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
DROP TABLE t1;
drop table if exists t0, t1, t1i, t1m;
#
# BUG#826935 Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))' failed

3
sql/sql_select.cc
View File

@ -19969,7 +19969,8 @@ static bool add_ref_to_table_cond(THD *thd, JOIN_TAB *join_tab)
Item *new_cond= and_conds(cond_copy, join_tab->select->pre_idx_push_select_cond);
if (!new_cond->fixed && new_cond->fix_fields(thd, &new_cond))
error= 1;
join_tab->select->pre_idx_push_select_cond= new_cond;
join_tab->pre_idx_push_select_cond=
join_tab->select->pre_idx_push_select_cond= new_cond;
}
join_tab->set_select_cond(cond, __LINE__);
}