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--source include/have_debug.inc
--echo # Prepare table:
CREATE TABLE t1 (c1 INT);
ALTER TABLE t1 ADD COLUMN c2 INT, ALGORITHM=INSTANT;
INSERT INTO t1 VALUES (1,1);
--echo # Case 1:
--echo # -------
--echo # Simulate insert log record without common prefix compression when
--echo # versions are different
--echo # Disable page cleaners and prevent page flushing/checkpointing.
--source ../include/log_disable_page_cleaners.inc
SET GLOBAL DEBUG="+d,page_ins_simulate_differing_versions";
--echo # Generate redo logs
INSERT INTO t1 VALUES (1,1);
--echo # Simulate crash and recovery to apply redo logs
--source include/kill_and_restart_mysqld.inc
SET GLOBAL DEBUG="-d,page_ins_simulate_differing_versions";
SELECT * FROM t1;
CHECK TABLE t1 EXTENDED;
--echo # Case 2:
--echo # -------
--echo # Simulate insert log record with common prefix compression when
--echo # versions are same
--echo # Disable page cleaners and prevent page flushing/checkpointing.
--source ../include/log_disable_page_cleaners.inc
--echo # Generate redo logs
INSERT INTO t1 VALUES (1,1);
--echo # Simulate crash and recovery to apply redo logs
--source include/kill_and_restart_mysqld.inc
SELECT * FROM t1;
CHECK TABLE t1 EXTENDED;
--echo # Resume page cleaners after recovery
--source ../include/log_enable_page_cleaners.inc
--echo # Cleanup:
DROP TABLE t1;
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