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--echo # --echo # Bug 23333990 PERSISTENT INDEX STATISTICS UPDATE BEFORE --echo # TRANSACTION IS COMMITTED --echo # --source include/big_test.inc --source include/not_valgrind.inc --echo "Test 1:- Uncommited delete test" CREATE TABLE t1 (id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT UNSIGNED NOT NULL, INDEX (val)) ENGINE=INNODB STATS_PERSISTENT=1,STATS_AUTO_RECALC=1; INSERT INTO t1 (val) VALUES (4); INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; INSERT INTO t1 (val) SELECT VAL from t1; SELECT COUNT(*) FROM t1; connect(con1, localhost, root,,); --echo Connection 1 connection con1; START TRANSACTION; DELETE FROM t1; send SELECT COUNT(*) FROM t1; --echo Connection Default connection default; # To make test determinstic in case stats calculation is not # triggered we will call analyze table analyze table t1; let $row_count= query_get_value(EXPLAIN SELECT * FROM t1 WHERE val=4, rows,1); if ($row_count > 20000) { --echo Test correctly estimates the number of rows as > 20000 --echo even when in other uncommmited transaction --echo all rows have been deleted. } if ($row_count < 20000) { --echo FAIL row count is $row_count } --echo Connection 1 connection con1; reap; commit; --echo Connection deafult connection default; --echo Test 2:- Insert and rollback test CREATE TABLE t2 (id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT UNSIGNED NOT NULL, INDEX (val)) ENGINE=INNODB STATS_PERSISTENT=1,STATS_AUTO_RECALC=1; --echo Connection 1 connection con1; START TRANSACTION; INSERT INTO t2 (val) VALUES (4); INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; INSERT INTO t2 (val) SELECT VAL from t2; send SELECT COUNT(*) FROM t2; --echo Connection default connection default; select count(*) from t2; analyze table t2; let $row_count= query_get_value(EXPLAIN SELECT * FROM t2 WHERE val=4, rows,1); if ($row_count > 20000) { --echo Test correctly estimates the number of rows as > 20000 --echo even when in other uncommited transaction --echo many rows are inserted. } --echo Connection 1 connection con1; reap; --echo Rollback the insert rollback; --echo Connection default connection default; let $row_count= query_get_value(EXPLAIN SELECT * FROM t2 WHERE val=4, rows,1); if ($row_count <= 1) { --echo Test correctly estimates the number of rows as $row_count --echo after rollback. } disconnect con1; DROP TABLE t1,t2;