replace.result
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:1k
- 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)
- ) engine=ISAM;
- 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=myisam;
- 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;