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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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42
mysql-test/main/table_value_constr.result
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@ -3100,6 +3100,48 @@ select * from (values (3),(7),(1) union values (2),(4) order by 1 limit 2) as dt
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drop table t1;
#
# MDEV-23182: Server crashes in
# Item::fix_fields_if_needed / table_value_constr::prepare upon 2nd execution of PS
#
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;
c
# Without the patch second execution of the prepared statement 'stmt'
# results in crash.
EXECUTE stmt;
c
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
# 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;
c
EXECUTE stmt;
c
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
# 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;
a b
EXECUTE stmt;
a b
DROP TABLE t1;
# 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;
a b
EXECUTE stmt;
a b
DROP TABLE t1;
SET @@in_predicate_conversion_threshold = @save_in_predicate_conversion_threshold;
End of 10.3 tests
#
# MDEV-22610 Crash in INSERT INTO t1 (VALUES (DEFAULT) UNION VALUES (DEFAULT))