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MDEV-33045: Server crashes in Item_func_binlog_gtid_pos::val_str / Binary_string::c_ptr_safe

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Item::val_str() sets the Item::null_value flag, so call it before checking
the flag, not after.

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
This commit is contained in:
Kristian Nielsen
2023-12-17 13:57:26 +01:00
parent be694384d4
commit a204ce2788
4 changed files with 24 additions and 3 deletions
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7
mysql-test/suite/binlog_encryption/rpl_gtid_basic.result
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@ -182,6 +182,13 @@ BINLOG_GTID_POS('master-bin.000001',18446744073709551616)
NULL
Warnings:
Warning 1916 Got overflow when converting '18446744073709551616' to INT. Value truncated
SET sql_log_bin= 0;
CREATE TABLE t1 AS SELECT MASTER_POS_WAIT(@binlog_file, 4, 0);
SELECT BINLOG_GTID_POS(@binlog_file, 4);
BINLOG_GTID_POS(@binlog_file, 4)
NULL
DROP TABLE t1;
SET sql_log_bin= 1;
*** Some tests of @@GLOBAL.gtid_binlog_state ***
connection server_2;
include/sync_with_master_gtid.inc