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;
InnoDB		0 transactions not purged
DROP TABLE t1;
SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;