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MDEV-11415 Remove excessive undo logging during ALTER TABLE…ALGORITHM=COPY Move a test from innodb.rename_table_debug to innodb.alter_copy. ha_innobase::extra(HA_EXTRA_BEGIN_ALTER_COPY): Register id-versioned tables so that mysql.transaction_registry will be updated, even for empty tables that are subjected to ALTER TABLE…ALGORITHM=COPY.
13 lines
359 B
Plaintext
13 lines
359 B
Plaintext
CREATE TABLE t1 (a SERIAL, b INT, c INT, d INT) ENGINE=InnoDB;
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INSERT INTO t1 () VALUES ();
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connect con1,localhost,root,,test;
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SET DEBUG_SYNC='before_rename_table_commit SIGNAL renamed WAIT_FOR ever';
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RENAME TABLE t1 TO t2;
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR renamed';
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disconnect con1;
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SELECT * FROM t1;
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a b c d
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1 NULL NULL NULL
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DROP TABLE t1;
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