--source include/have_innodb.inc
--source include/big_test.inc

--echo #
--echo # Bug 23333990	PERSISTENT INDEX STATISTICS UPDATE BEFORE
--echo #		TRANSACTION IS COMMITTED
--echo #

--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 (CEIL(RAND()*20));
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;
INSERT INTO t1 (val) SELECT CEIL(RAND()*20) FROM t1;

SELECT COUNT(*) FROM t1;
ANALYZE TABLE t1;

connect(con1, localhost, root,,);
START TRANSACTION;
DELETE FROM t1;
send SELECT COUNT(*) FROM t1;

connection default;
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.
}

connection con1;
reap;
commit;

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;

connection con1;

START TRANSACTION;
INSERT INTO t2 (val) VALUES (CEIL(RAND()*20));
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
INSERT INTO t2 (val) SELECT CEIL(RAND()*20) FROM t2;
send SELECT COUNT(*) FROM t2;

connection default;
select count(*) from 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.
}

connection con1;
reap;
--echo Rollback the insert
rollback;
disconnect con1;

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.
}

DROP TABLE t1,t2;