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MDEV-4516 SELECT from I_S.QUERY_CACHE_INFO produces ER_UNKNOWN_ERROR when query cache size is 0

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if qc->try_lock() fails, it's not an error
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Sergei Golubchik
2013-05-24 14:33:04 +02:00
parent cb246b20d6
commit 9bc4c4183d
3 changed files with 7 additions and 1 deletions
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3
mysql-test/suite/plugins/t/qc_info.test
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@ -4,5 +4,8 @@ drop table t1;
# the query was invalidated
select statement_schema, statement_text, result_blocks_count, result_blocks_size from information_schema.query_cache_info;
set global query_cache_size = 0;
select * from information_schema.query_cache_info;
set global query_cache_size= default;