# This is the test case for bug #53756. Alter table operation could
# leave a deleted record for the temp table (later renamed to the altered
# table) in the SYS_TABLES secondary index, we should ignore this row and
# find the first non-deleted row for the specified table_id when load table
# metadata in the function dict_load_table_on_id() during crash recovery.

#
# innobackup needs to connect to the server. Not supported in embedded.
--source include/not_embedded.inc
#
# This test case needs to crash the server. Needs a debug server.
--source include/have_debug.inc
#
# Don't test this under valgrind, memory leaks will occur.
--source include/not_valgrind.inc
#
# This test case needs InnoDB.
-- source include/have_innodb_plugin.inc

#
# Precautionary clean up.
#
--disable_warnings
DROP TABLE IF EXISTS bug_53756 ;
--enable_warnings

#
# Create test data.
#
CREATE TABLE bug_53756 (pk INT, c1 INT) ENGINE=InnoDB;
ALTER TABLE bug_53756 ADD PRIMARY KEY (pk);
INSERT INTO bug_53756 VALUES(1, 11), (2, 22), (3, 33), (4, 44);

--echo
--echo # Select a less restrictive isolation level.
# Don't use user variables. They won't survive server crash.
--let $global_isolation= `SELECT @@global.tx_isolation`
--let $session_isolation= `SELECT @@session.tx_isolation`
SET GLOBAL TRANSACTION ISOLATION LEVEL READ COMMITTED;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
COMMIT;

--echo
--echo # Start a transaction in the default connection for isolation.
START TRANSACTION;
SELECT @@tx_isolation;
SELECT * FROM bug_53756;

--echo
--echo # connection con1 deletes row 1
--connect (con1,localhost,root,,)
START TRANSACTION;
SELECT @@tx_isolation;
DELETE FROM bug_53756 WHERE pk=1;

--echo
--echo # connection con2 deletes row 2
--connect (con2,localhost,root,,)
START TRANSACTION;
SELECT @@tx_isolation;
DELETE FROM bug_53756 WHERE pk=2;

--echo
--echo # connection con3 updates row 3
--connect (con3,localhost,root,,)
START TRANSACTION;
SELECT @@tx_isolation;
UPDATE bug_53756 SET c1=77 WHERE pk=3;

--echo
--echo # connection con4 updates row 4
--connect (con4,localhost,root,,)
START TRANSACTION;
SELECT @@tx_isolation;
UPDATE bug_53756 SET c1=88 WHERE pk=4;

--echo
--echo # connection con5 inserts row 5
--connect (con5,localhost,root,,)
START TRANSACTION;
SELECT @@tx_isolation;
INSERT INTO bug_53756 VALUES(5, 55);

--echo
--echo # connection con6 inserts row 6
--connect (con6,localhost,root,,)
START TRANSACTION;
SELECT @@tx_isolation;
INSERT INTO bug_53756 VALUES(6, 66);

--echo
--echo # connection con1 commits.
--connection con1
COMMIT;

--echo
--echo # connection con3 commits.
--connection con3
COMMIT;

--echo
--echo # connection con4 rolls back.
--connection con4
ROLLBACK;

--echo
--echo # connection con6 rolls back.
--connection con6
ROLLBACK;

--echo
--echo # The connections 2 and 5 stay open.

--echo
--echo # connection default selects resulting data.
--echo # Delete of row 1 was committed.
--echo # Update of row 3 was committed.
--echo # Due to isolation level read committed, these should be included.
--echo # All other changes should not be included.
--connection default
SELECT * FROM bug_53756;

--echo
--echo # connection default
--connection default
--echo #
--echo # Crash server.
#
# Write file to make mysql-test-run.pl expect the "crash", but don't start
# it until it's told to
--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
#
START TRANSACTION;
INSERT INTO bug_53756 VALUES (666,666);
#
# Request a crash on next execution of commit.
SET SESSION debug="+d,crash_commit_before";
#
# Execute the statement that causes the crash.
--error 2013
COMMIT;
--echo
--echo #
--echo # disconnect con1, con2, con3, con4, con5, con6.
--disconnect con1
--disconnect con2
--disconnect con3
--disconnect con4
--disconnect con5
--disconnect con6
--echo #
--echo # Restart server.
#
# Write file to make mysql-test-run.pl start up the server again
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
#
# Turn on reconnect
--enable_reconnect
#
# Call script that will poll the server waiting for it to be back online again
--source include/wait_until_connected_again.inc
#
# Turn off reconnect again
--disable_reconnect
--echo

--echo #
--echo # Select recovered data.
--echo # Delete of row 1 was committed.
--echo # Update of row 3 was committed.
--echo # These should be included.
--echo # All other changes should not be included.
--echo # Delete of row 2 and insert of row 5 should be rolled back
SELECT * FROM bug_53756;

--echo
--echo # Clean up.
DROP TABLE bug_53756;

--disable_query_log
eval SET GLOBAL tx_isolation= '$global_isolation';
eval SET SESSION tx_isolation= '$session_isolation';
--enable_query_log

