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54 lines
1.7 KiB
Plaintext
54 lines
1.7 KiB
Plaintext
#
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# Test that INFORMATION_SCHEMA.TABLES.UPDATE_TIME is filled
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# correctly for InnoDB tables.
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#
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CREATE TABLE t (a INT) ENGINE=INNODB;
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SELECT update_time FROM information_schema.tables WHERE table_name = 't';
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update_time
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NULL
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INSERT INTO t VALUES (1);
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SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
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AND update_time IS NOT NULL;
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COUNT(*)
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1
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# We cant deterministically check that the saved value is correct, but
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# at least we check that it is a timestamp not older than 2 minutes.
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# Usually update_time and NOW() are equal below, but on heavily loaded
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# machines NOW() could be younger.
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SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
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AND TIMESTAMPDIFF(SECOND, update_time, NOW()) < 120;
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COUNT(*)
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1
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CREATE TEMPORARY TABLE big (a TEXT) ENGINE=INNODB;
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SELECT COUNT(*) FROM information_schema.innodb_buffer_page
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WHERE table_name = '`test`.`t`';
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COUNT(*)
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1
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# INSERT lots of data in table 'big': begin
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# INSERT lots of data in table 'big': end
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SELECT COUNT(*) FROM information_schema.innodb_buffer_page
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WHERE table_name = '`test`.`t`';
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COUNT(*)
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0
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SELECT COUNT(*) FROM information_schema.tables WHERE table_name = 't'
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AND update_time IS NOT NULL;
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COUNT(*)
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1
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DROP TEMPORARY TABLE big;
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# Test the behavior after restart with a prepared XA transaction
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XA START 'xatrx';
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INSERT INTO t VALUES (5);
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XA END 'xatrx';
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XA PREPARE 'xatrx';
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CONNECT con1,localhost,root,,;
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call mtr.add_suppression("Found 1 prepared XA transactions");
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FLUSH TABLES;
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SELECT update_time FROM information_schema.tables WHERE table_name = 't';
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update_time
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NULL
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XA COMMIT 'xatrx';
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SELECT COUNT(update_time) FROM information_schema.tables WHERE table_name='t';
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COUNT(update_time)
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1
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DROP TABLE t;
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