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Test case for bug lp:611396

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The bug itself has been fixed by MWL#89.
This commit is contained in:
unknown 2011-07-08 08:52:30 +03:00
parent 0f36ab3a52
commit 57432d0c64
2 changed files with 66 additions and 0 deletions
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33
mysql-test/r/subselect4.result
View file

@ -1940,4 +1940,37 @@ f1 f2 f3
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2;
drop view v2;
#
# LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off
# and prepared statements and materialization
CREATE TABLE t1 ( f1 int(11), f2 int(11)) ;
CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ;
INSERT INTO t2 VALUES ('23','j'),('24','e');
CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ;
INSERT INTO t3 VALUES ('8','j');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 system NULL NULL NULL NULL 1 Using temporary; Using filesort
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
PREPARE st1 FROM "
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2";
EXECUTE st1;
f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
23 NULL
EXECUTE st1;
f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
23 NULL
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
set optimizer_switch=@subselect4_tmp;

33
mysql-test/t/subselect4.test
View file

@ -1594,4 +1594,37 @@ set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2;
drop view v2;
--echo #
--echo # LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off
--echo # and prepared statements and materialization
CREATE TABLE t1 ( f1 int(11), f2 int(11)) ;
CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ;
INSERT INTO t2 VALUES ('23','j'),('24','e');
CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ;
INSERT INTO t3 VALUES ('8','j');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2;
PREPARE st1 FROM "
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2";
EXECUTE st1;
EXECUTE st1;
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
set optimizer_switch=@subselect4_tmp;