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de1dbb7180
- commit ea37b14409 (MDEV-16678) caused
a regression. when purge thread tries to open the table for virtual
column computation, there is no need to acquire MDL for the table.
Because purge thread already hold MDL for the table
31 lines
709 B
Plaintext
31 lines
709 B
Plaintext
--source include/have_innodb.inc
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--source include/have_debug.inc
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CREATE TABLE t1(f1 INT NOT NULL, f2 int not null,
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f3 int generated always as (f2 * 2) VIRTUAL,
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primary key(f1), INDEX (f3))ENGINE=InnoDB;
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connect(con1,localhost,root,,,);
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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connection default;
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INSERT INTO t1(f1, f2) VALUES(1,2);
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DELETE from t1 where f1 = 1;
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connect(con2,localhost,root,,,);
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begin;
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INSERT INTO t1 (f1, f2) VALUES(1,2);
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set global debug_dbug="+d,ib_purge_virtual_index_callback";
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connection con1;
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COMMIT;
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--source ../innodb/include/wait_all_purged.inc
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connection con2;
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commit;
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disconnect con1;
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disconnect con2;
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connection default;
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set global debug_dbug=default;
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DROP TABLE t1;
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