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Merge branch 10.3 into 10.4

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This commit is contained in:
Julius Goryavsky
2021-12-25 12:13:03 +01:00
parent 4b020bfd9a 97695675c5
commit 681b7784b6
46 changed files with 733 additions and 341 deletions
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46
mysql-test/main/table_value_constr.test
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@ -1650,6 +1650,52 @@ select * from (values (3),(7),(1) union values (2),(4) order by 1 limit 2) as dt
drop table t1;
--echo #
--echo # MDEV-23182: Server crashes in
--echo # Item::fix_fields_if_needed / table_value_constr::prepare upon 2nd execution of PS
--echo #
SET @save_in_predicate_conversion_threshold=@@in_predicate_conversion_threshold;
SET in_predicate_conversion_threshold=2;
CREATE TABLE t1 (c VARCHAR(10)) DEFAULT CHARSET=utf8;
PREPARE stmt FROM "SELECT * FROM t1 WHERE c IN ('10','20')";
EXECUTE stmt;
--echo # Without the patch second execution of the prepared statement 'stmt'
--echo # results in crash.
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
--echo # Check that the query without conversion doesn't crash server
CREATE TABLE t1 (c VARCHAR(10));
PREPARE stmt FROM "SELECT * FROM t1 WHERE c IN ('10','20')";
EXECUTE stmt;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
--echo # Test case for a row expression in the left part of the IN clause
CREATE TABLE t1 (a VARCHAR(3), b VARCHAR(3)) DEFAULT CHARSET=utf8;
PREPARE stmt FROM "SELECT * FROM t1 WHERE (a, b) IN (('10', '10'), ('20', '20'))";
EXECUTE stmt;
EXECUTE stmt;
DROP TABLE t1;
--echo # Check that the query without conversion is handled successfully
CREATE TABLE t1 (a VARCHAR(3), b VARCHAR(3));
PREPARE stmt FROM "SELECT * FROM t1 WHERE (a, b) IN (('10', '10'), ('20', '20'))";
EXECUTE stmt;
EXECUTE stmt;
DROP TABLE t1;
SET @@in_predicate_conversion_threshold = @save_in_predicate_conversion_threshold;
--echo End of 10.3 tests
--echo #