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24 lines
912 B
Text
24 lines
912 B
Text
#
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# MDEV-4520: Assertion `0' fails in Query_cache::end_of_result on
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# concurrent drop event and event execution
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#
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set @save_query_cache_size=@@query_cache_size;
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set GLOBAL query_cache_size=1355776;
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create user mysqltest1@localhost;
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grant SELECT on test.* to mysqltest1@localhost;
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create table t1 (a int);
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connect con1,localhost,mysqltest1,,;
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connection con1;
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# This explain put here to be sure that init connection query
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# has 'Impossible WHERE'.
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explain extended select * from test.t1 where 0;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 0
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connection default;
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disconnect con1;
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revoke all privileges, grant option from mysqltest1@localhost;
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drop user mysqltest1@localhost;
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drop table t1;
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set GLOBAL query_cache_size=@save_query_cache_size;
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