SET @saved_debug_dbug = @@SESSION.debug_dbug; # #BUG#21326304 INNODB ONLINE ALTER TABLE ENDS IN CRASH ON DISK FULL # CREATE TABLE t1(f1 CHAR(255) NOT NULL, f2 CHAR(255) NOT NULL, f3 CHAR(255) NOT NULL, f4 CHAR(255) NOT NULL, f5 CHAR(255) NOT NULL,f6 CHAR(255) NOT NULL, f7 CHAR(255) NOT NULL, f8 CHAR(255) NOT NULL,f9 CHAR(255) NOT NULL, f10 CHAR(255) NOT NULL, f11 CHAR(255) NOT NULL,f12 CHAR(255) NOT NULL, f13 CHAR(255) NOT NULL, f14 CHAR(255) NOT NULL,f15 CHAR(255) NOT NULL, f16 CHAR(255) NOT NULL, f17 CHAR(255) NOT NULL,f18 CHAR(255) NOT NULL) ENGINE=INNODB ROW_FORMAT=DYNAMIC; INSERT INTO t1 VALUES('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r'); INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; SET debug_dbug = '+d,disk_is_full'; ALTER TABLE t1 FORCE, ALGORITHM=INPLACE; ERROR HY000: The table 't1' is full SET debug_dbug= @saved_debug_dbug; DROP TABLE t1;