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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;