drop table if exists t1;
CREATE TABLE t1 (
gesuchnr int(11) DEFAULT '0' NOT NULL,
benutzer_id int(11) DEFAULT '0' NOT NULL,
PRIMARY KEY (gesuchnr,benutzer_id)
);
replace into t1 (gesuchnr,benutzer_id) values (2,1);
replace into t1 (gesuchnr,benutzer_id) values (1,1);
replace into t1 (gesuchnr,benutzer_id) values (1,1);
alter table t1 engine=heap;
replace into t1 (gesuchnr,benutzer_id) values (1,1);
drop table t1;
create table t1 (a tinyint not null auto_increment primary key, b char(20) default "default_value");
insert into t1 values (126,"first"),(63, "middle"),(0,"last");
insert into t1 values (0,"error");
ERROR 23000: Duplicate entry '127' for key 1
replace into t1 values (0,"error");
ERROR 23000: Duplicate entry '127' for key 1
replace into t1 values (126,"first updated");
replace into t1 values (63,default);
select * from t1;
a	b
126	first updated
63	default_value
127	last
drop table t1;
CREATE TABLE t1 (f1 INT);
CREATE VIEW v1 AS SELECT f1 FROM t1 WHERE f1 = 0 WITH CHECK OPTION;
REPLACE INTO v1 (f1) VALUES (1);
ERROR HY000: CHECK OPTION failed 'test.v1'
DROP TABLE t1;
DROP VIEW v1;