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28 lines
649 B
Plaintext
28 lines
649 B
Plaintext
#
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# MDEV-5405 RQG induced crash in mi_assign_to_key_cache in safe mutex unlock
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#
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--source include/have_debug_sync.inc
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create table t1 (f int, key(f)) engine=myisam;
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set global kc1.key_buffer_size = 65536;
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connect (con1, localhost, root);
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set debug_sync='assign_key_cache_op_unlock wait_for op_locked';
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send cache index t1 in kc1;
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connection default;
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sleep 1;
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set debug_sync='assign_key_cache_op_lock signal op_locked wait_for assigned';
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send cache index t1 in kc1;
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connection con1;
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reap;
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set debug_sync='now signal assigned';
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disconnect con1;
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connection default;
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reap;
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drop table t1;
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set global kc1.key_buffer_size = 0;
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set debug_sync='reset';
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