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MDEV-33680 Server hangs or assertion fails upon SELECT with limited max_tmp_space_usage

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The bug was that Aggregator_distinct::add() did not properly handle
write errors. (Old bug exposed by the new code).
This commit is contained in:
Monty
2024-04-06 12:07:49 +03:00
committed by Sergei Golubchik
parent b9f5793176
commit 865ef0f567
5 changed files with 26 additions and 3 deletions
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7
mysql-test/main/tmp_space_usage.result
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@ -150,4 +150,11 @@ INSERT INTO t1 VALUES
UPDATE t1 SET a = '' LIMIT 100;
ERROR HY000: Local temporary space limit reached
DROP TABLE t1;
#
# MDEV-33680 Server hangs or assertion fails upon SELECT with limited
# max_tmp_space_usage
#
set max_tmp_session_space_usage = 1024*1024;
select count(distinct concat(seq,repeat('x',1000))) from seq_1_to_1000;
ERROR HY000: Global temporary space limit reached
# End of 11.5 tests