47 lines
1.7 KiB
Plaintext
47 lines
1.7 KiB
Plaintext
#
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# Test the persistent stats auto recalc
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#
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# Page numbers printed by this test depend on the page size
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-- vertical_results
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-- let $check_stats1 = SELECT n_rows, clustered_index_size FROM mysql.innodb_table_stats WHERE table_name = 'autorecalc'
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-- let $check_stats2 = SELECT index_name, stat_name, stat_value FROM mysql.innodb_index_stats WHERE table_name = 'autorecalc'
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CREATE TABLE autorecalc (a INT, PRIMARY KEY (a)) ENGINE=INNODB;
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# the CREATE should have inserted zeroed stats
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-- eval $check_stats1
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-- eval $check_stats2
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INSERT INTO autorecalc VALUES (1);
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INSERT INTO autorecalc VALUES (2);
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# wait for the bg stats thread to update the stats, notice we wait on
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# innodb_index_stats because innodb_table_stats gets updated first and
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# it is possible that (if we wait on innodb_table_stats) the wait cond
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# gets satisfied before innodb_index_stats is updated
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let $wait_condition = SELECT stat_value = 2 FROM mysql.innodb_index_stats WHERE table_name = 'autorecalc' AND index_name = 'PRIMARY' AND stat_name = 'n_diff_pfx01';
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-- source include/wait_condition.inc
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# the second INSERT from above should have triggered an auto-recalc
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-- eval $check_stats1
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-- eval $check_stats2
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# now DELETE the rows and trigger a second auto-recalc, InnoDB may wait a
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# few seconds before triggering an auto-recalc again (it tries not to be too
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# aggressive)
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DELETE FROM autorecalc;
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let $wait_timeout = 25;
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let $wait_condition = SELECT stat_value = 0 FROM mysql.innodb_index_stats WHERE table_name = 'autorecalc' AND index_name = 'PRIMARY' AND stat_name = 'n_diff_pfx01';
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-- source include/wait_condition.inc
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# the DELETE from above should have triggered an auto-recalc
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-- eval $check_stats1
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-- eval $check_stats2
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DROP TABLE autorecalc;
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