--source include/have_innodb.inc

SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;

CREATE TABLE t1 (g MULTIPOINT NOT NULL) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('');

connect purge_control,localhost,root;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
connection default;

DELETE FROM t1;

ALTER TABLE t1 ADD SPATIAL INDEX (g);

disconnect purge_control;
--source ../../innodb/include/wait_all_purged.inc
DROP TABLE t1;
SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;