#
# If MDEV-20755 bug is no fixed, incremental prepare will fail.
#
--source include/have_debug.inc
--source include/have_file_key_management.inc

--let $base_dir=$MYSQLTEST_VARDIR/tmp/backup
--let $inc_dir=$MYSQLTEST_VARDIR/tmp/backup_inc

SET @old_innodb_log_optimize_ddl=@@global.innodb_log_optimize_ddl;
SET GLOBAL innodb_log_optimize_ddl=ON;

# Disable pages flushing to allow redo log records to be executed on --prepare.
SET @old_debug_dbug=@@global.debug_dbug;
SET GLOBAL debug_dbug="+d,ib_log_checkpoint_avoid";
SET @old_innodb_page_cleaner_disabled_debug=@@global.innodb_page_cleaner_disabled_debug;
SET GLOBAL innodb_page_cleaner_disabled_debug=ON;

CREATE TABLE t1 (c INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);

--echo # backup
--disable_result_log
--exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --target-dir=$base_dir
--enable_result_log

# Do not log crypt data to avoid it's execution on --prepare.
SET GLOBAL debug_dbug="+d,ib_do_not_log_crypt_data";
INSERT INTO t1 VALUES (2);

--disable_result_log

# Execute OPTIMIZE TABLE after the table is copied to execute optimized ddl
# callback during backup, which, in turns, will create t1.new file in backup
# directory.
--let after_copy_test_t1=OPTIMIZE TABLE test.t1;

--echo # incremental backup
--exec $XTRABACKUP --defaults-file=$MYSQLTEST_VARDIR/my.cnf --backup --target-dir=$inc_dir --incremental-basedir=$base_dir --dbug=+d,mariabackup_events

--echo # prepare
--exec $XTRABACKUP --prepare --target-dir=$base_dir

# If the tablespace is created during delta tablespace open procedure, then
# crypt data will be not written, and page corruption test will not pass
# when some redo log event is executed, and --prepare will fail.
--echo # incremental prepare
--exec $XTRABACKUP --prepare --target-dir=$base_dir --incremental-dir=$inc_dir

--enable_result_log

SET GLOBAL innodb_log_optimize_ddl=@old_innodb_log_optimize_ddl;
SET GLOBAL innodb_page_cleaner_disabled_debug=@old_innodb_page_cleaner_disabled_debug;
SET GLOBAL debug_dbug=@old_debug_dbug;

--echo # Restore and check results
--let $targetdir=$base_dir
--source include/restart_and_restore.inc
--enable_result_log

SELECT count(*) FROM t1;

# Cleanup
DROP TABLE t1;
--rmdir $base_dir
--rmdir $inc_dir