--source include/have_falcon.inc
#
# Bug #28006: Falcon: isolation failed after alter
# Note: related to Bug#15491 "ALTER TABLE violates REPEATABLE READ"
#
--echo *** Bug #28006 ***

# ----------------------------------------------------- #
# --- Initialisation                                --- #
# ----------------------------------------------------- #
let $engine = 'Falcon';
eval SET @@storage_engine = $engine;

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

SET @@tx_isolation = 'REPEATABLE-READ';
SET @@autocommit = 0;
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1);
COMMIT;

--echo # Establish connection conn1
connect (conn1,localhost,root,,);
eval SET storage_engine = $engine;
SET @@tx_isolation = 'REPEATABLE-READ';
SET @@autocommit = 0;

# ----------------------------------------------------- #
# --- Test                                          --- #
# ----------------------------------------------------- #
--echo # Switch to connection default
connection default;
BEGIN;
SELECT * FROM t1;

--echo # Switch to connection conn1
connection conn1;
ALTER TABLE t1 ADD COLUMN b int;
ALTER TABLE t1 DROP COLUMN a;

--echo # Switch to connection default
connection default;
SELECT * FROM t1;
COMMIT;

# ----------------------------------------------------- #
# --- Check                                         --- #
# ----------------------------------------------------- #
SELECT count(*) FROM t1;
COMMIT;

# ----------------------------------------------------- #
# --- Final cleanup                                 --- #
# ----------------------------------------------------- #
--echo # Switch to connection conn1
connection conn1;
COMMIT;
--echo # Switch to connection default
connection default;
disconnect conn1;
DROP TABLE t1;