mirror of
https://github.com/MariaDB/server.git
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125 lines
3.8 KiB
Text
125 lines
3.8 KiB
Text
--source include/have_innodb.inc
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--source include/have_sequence.inc
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SET @saved_include_delete_marked = @@GLOBAL.innodb_stats_include_delete_marked;
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SET GLOBAL innodb_stats_include_delete_marked = ON;
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SET @saved_traditional = @@GLOBAL.innodb_stats_traditional;
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SET GLOBAL innodb_stats_traditional=false;
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SET @saved_modified_counter = @@GLOBAL.innodb_stats_modified_counter;
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SET GLOBAL innodb_stats_modified_counter=1;
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CREATE TABLE t1 (id SERIAL, val INT UNSIGNED NOT NULL, KEY(val))
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ENGINE=INNODB STATS_PERSISTENT=1,STATS_AUTO_RECALC=1;
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CREATE TABLE t2 LIKE t1;
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INSERT INTO t1 (val) SELECT 4 FROM seq_1_to_16;
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SET STATEMENT use_stat_tables=never FOR
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ANALYZE TABLE t1;
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connect(con1, localhost, root,,);
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START TRANSACTION;
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DELETE FROM t1;
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send SELECT COUNT(*) FROM t1;
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connection default;
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--echo # With innodb_stats_include_delete_marked=ON,
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--echo # DELETE must not affect statistics before COMMIT.
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EXPLAIN SELECT * FROM t1 WHERE val=4;
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connection con1;
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reap;
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ROLLBACK;
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SELECT COUNT(*) FROM t1;
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EXPLAIN SELECT * FROM t1 WHERE val=4;
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BEGIN;
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DELETE FROM t1;
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COMMIT;
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SELECT COUNT(*) FROM t1;
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connection default;
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BEGIN;
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INSERT INTO t2 (val) SELECT 4 FROM seq_1_to_16;
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--echo # The INSERT will show up before COMMIT.
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EXPLAIN SELECT * FROM t2 WHERE val=4;
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SELECT COUNT(*) FROM t2;
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--echo # The ROLLBACK of the INSERT must affect the statistics.
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ROLLBACK;
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SELECT COUNT(*) FROM t2;
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connection con1;
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EXPLAIN SELECT * FROM t2 WHERE val=4;
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SET GLOBAL innodb_max_purge_lag_wait=0;
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--echo # After COMMIT and purge, the DELETE must show up.
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EXPLAIN SELECT * FROM t1 WHERE val=4;
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SET GLOBAL innodb_stats_include_delete_marked = OFF;
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BEGIN;
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INSERT INTO t1 (val) SELECT 4 FROM seq_1_to_16;
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EXPLAIN SELECT * FROM t1 WHERE val=4;
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ROLLBACK;
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EXPLAIN SELECT * FROM t1 WHERE val=4;
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BEGIN;
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INSERT INTO t1 (val) SELECT 4 FROM seq_1_to_16;
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COMMIT;
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EXPLAIN SELECT * FROM t1 WHERE val=4;
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BEGIN;
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DELETE FROM t1;
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SELECT COUNT(*) FROM t1;
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--echo # With innodb_stats_include_delete_marked=OFF,
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--echo # DELETE must affect statistics even before COMMIT.
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--echo # However, if there was a WHERE condition,
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--echo # ha_innobase::records_in_range() would count the delete-marked records.
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EXPLAIN SELECT * FROM t1;
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ROLLBACK;
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EXPLAIN SELECT * FROM t1;
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SELECT COUNT(*) FROM t1;
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disconnect con1;
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connection default;
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DROP TABLE t1,t2;
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SET GLOBAL innodb_stats_include_delete_marked = @saved_include_delete_marked;
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SET GLOBAL innodb_stats_traditional = @saved_traditional;
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SET GLOBAL innodb_stats_modified_counter = @saved_modified_counter;
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#
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# Bug#12429573 TIMESTAMP COLUMN OF INNODB.INDEX_STATS ARE NOT UPDATED
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# WHEN RE-RUNNING ANALYZE
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#
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CREATE TABLE bug12429573 (i INTEGER PRIMARY KEY, j INTEGER, KEY(j))
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ENGINE=INNODB STATS_PERSISTENT=1;
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SET STATEMENT use_stat_tables=never FOR
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ANALYZE TABLE bug12429573;
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# Cannot check the exact timestamp here because it is always different
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# but at least check that both timestamps in innodb_table_stats and in
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# innodb_index_stats have been updated to the same value. If the bug is
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# present this check will fail.
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--disable_cursor_protocol
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SELECT last_update INTO @last FROM mysql.innodb_table_stats
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WHERE table_name = 'bug12429573';
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--enable_cursor_protocol
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SELECT * FROM mysql.innodb_index_stats
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WHERE table_name = 'bug12429573' AND last_update!=@last;
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# The first ANALYZE would insert timestamp e.g. 17:23:39 in both
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# innodb_table_stats and innodb_index_stats. The bug is that the second
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# ANALYZE only updates the timestamp in innodb_table_stats. In order to
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# check if the timestamp in innodb_index_stats has really been updated we
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# need it to be different from the previous one (17:23:39) with at least
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# one second.
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-- sleep 1
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SET STATEMENT use_stat_tables=never FOR
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ANALYZE TABLE bug12429573;
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SELECT * FROM mysql.innodb_table_stats
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WHERE table_name = 'bug12429573' AND last_update=@last;
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SELECT * FROM mysql.innodb_index_stats
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WHERE table_name = 'bug12429573' AND last_update=@last;
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DROP TABLE bug12429573;
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