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- 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
29 lines
1 KiB
Text
29 lines
1 KiB
Text
#
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# MDEV-23991 dict_table_stats_lock() has unnecessarily long scope
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#
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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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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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SELECT SUM(DATA_LENGTH+INDEX_LENGTH) FROM information_schema.TABLES WHERE ENGINE='InnoDB';
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SUM(DATA_LENGTH+INDEX_LENGTH)
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SUM
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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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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE t1;
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#
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# MDEV-36649 dict_acquire_mdl_shared() aborts when table
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# mode is DICT_TABLE_OP_OPEN_ONLY_IF_CACHED
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#
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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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