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4c16ec3e77
In any test that uses wait_all_purged.inc, ensure that InnoDB tables
will be created without persistent statistics.
This is a follow-up to commit cd04673a17
after a similar failure was observed in the innodb_zip.blob test.
51 lines
1.4 KiB
Text
51 lines
1.4 KiB
Text
SET @save_stats_persistent = @@GLOBAL.innodb_stats_persistent;
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SET GLOBAL innodb_stats_persistent = 0;
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#
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# MDEV-12288 Reset DB_TRX_ID when the history is removed,
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# to speed up MVCC
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#
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CREATE TABLE t1(a INT PRIMARY KEY, b INT NOT NULL)
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ROW_FORMAT=REDUNDANT ENGINE=InnoDB;
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InnoDB 0 transactions not purged
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connect prevent_purge,localhost,root;
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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connection default;
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INSERT INTO t1 VALUES(1,2),(3,4);
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ALTER TABLE t1 ADD COLUMN c INT;
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UPDATE t1 SET b=-3 WHERE a=3;
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connect con1,localhost,root;
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BEGIN;
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UPDATE t1 SET b=4 WHERE a=3;
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disconnect prevent_purge;
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connection default;
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SET GLOBAL innodb_max_purge_lag_wait=1;
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connection con1;
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ROLLBACK;
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disconnect con1;
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connection default;
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InnoDB 0 transactions not purged
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FLUSH TABLE t1 FOR EXPORT;
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Clustered index root page contents:
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N_RECS=3; LEVEL=0
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header=0x0100000300c6 (a=0x696e66696d756d00)
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header=0x1000200b0087 (a=0x80000000,
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DB_TRX_ID=0x000000000000,
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DB_ROLL_PTR=0x80000000000000,
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b=0x80000000,
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c=NULL(4 bytes))
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header=0x0000100900a6 (a=0x80000001,
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DB_TRX_ID=0x000000000000,
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DB_ROLL_PTR=0x80000000000000,
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b=0x80000002)
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header=0x000018090074 (a=0x80000003,
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DB_TRX_ID=0x000000000000,
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DB_ROLL_PTR=0x80000000000000,
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b=0x7ffffffd)
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header=0x040008030000 (a=0x73757072656d756d00)
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UNLOCK TABLES;
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SELECT * FROM t1;
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a b c
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1 2 NULL
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3 -3 NULL
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DROP TABLE t1;
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SET GLOBAL innodb_stats_persistent = @save_stats_persistent;
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