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20 lines
1 KiB
Text
20 lines
1 KiB
Text
set global innodb_stats_auto_recalc=off;
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CREATE TABLE t1 (i int) ENGINE=InnoDB;
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SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
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NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
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test/t1 Initialized 0 0
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (2);
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SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
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NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
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test/t1 Initialized 2 2
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DELETE FROM t1 WHERE i = 1;
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SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
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NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
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test/t1 Initialized 1 3
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UPDATE t1 SET i = 4 WHERE i = 2;
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SELECT NAME, STATS_INITIALIZED, NUM_ROWS, MODIFIED_COUNTER FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS WHERE NAME = 'test/t1';
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NAME STATS_INITIALIZED NUM_ROWS MODIFIED_COUNTER
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test/t1 Initialized 1 4
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DROP TABLE t1;
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set global innodb_stats_auto_recalc=default;
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