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dac3d702f7
- InnoDB fails to check the table is being dropped or evicted
while acquiring the MDL for the table when table open operation
mode is DICT_TABLE_OP_OPEN_ONLY_IF_CACHED. This is caused by
the commit 337bf8ac4b (MDEV-36122)
Fix:
===
dict_acquire_mdl_shared(): If the table is evicted or dropped when
table operation mode is DICT_TABLE_OP_OPEN_IF_CACHED then return
nullptr
40 lines
1.2 KiB
Text
40 lines
1.2 KiB
Text
--source include/have_innodb.inc
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--source include/have_sequence.inc
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--source include/have_debug.inc
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--source include/have_debug_sync.inc
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--source include/count_sessions.inc
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--echo #
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--echo # MDEV-23991 dict_table_stats_lock() has unnecessarily long scope
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--echo #
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CREATE TABLE t1(a INT) ENGINE=INNODB STATS_PERSISTENT=1;
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SET DEBUG_SYNC='dict_stats_update_persistent SIGNAL stop WAIT_FOR go';
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--send ANALYZE TABLE t1
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--connect(con1, localhost, root)
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SET DEBUG_SYNC='now WAIT_FOR stop';
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--replace_column 1 SUM
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SELECT SUM(DATA_LENGTH+INDEX_LENGTH) FROM information_schema.TABLES WHERE ENGINE='InnoDB';
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SET DEBUG_SYNC='now SIGNAL go';
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--disconnect con1
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--connection default
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--reap
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE t1;
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--source include/wait_until_count_sessions.inc
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--echo #
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--echo # MDEV-36649 dict_acquire_mdl_shared() aborts when table
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--echo # mode is DICT_TABLE_OP_OPEN_ONLY_IF_CACHED
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--echo #
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set @old_defragment_stats_accuracy= @@innodb_defragment_stats_accuracy;
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SET GLOBAL innodb_defragment_stats_accuracy=1;
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CREATE TABLE t (a INT ) ENGINE=INNODB;
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INSERT INTO t SELECT * FROM seq_1_to_1000;
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DROP TABLE t;
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set global innodb_defragment_stats_accuracy= @old_defragment_stats_accuracy;
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