数据仓库服务 GAUSSDB(DWS)-REPLACE:DELAYED

时间：2024-11-16 13:21:55

DELAYED

DELAYED插入和替换在MySQL 5.6中被弃用。在MySQL 5.7中，DELAYED不支持。服务器识别但忽略DELAYED关键字，将替换处理为非延迟替换，并生成ER_WARN_LEGACY_SYNTAX_CONVERTED警告。
REPLACE DELAYED不再被支持，语句被转换为REPLACE。
DELAYED 关键字将在未来版本中被删除。

输入

  
       #DELAYED INSERT DELAYED works only with MyISAM, MEMORY, ARCHIVE, and BLACKHOLE tables. 
#If you execute INSERT DELAYED with another storage engine, 
#you will get an error like this: ERROR 1616 (HY000): DELAYED option not supported 
Replace DELAYED INTO  exmp_tb2 VALUES(10, 128.23, 'nice', '2018-10-11 19:00:00');
Replace DELAYED INTO  exmp_tb2 VALUES(6, DEFAULT, 'nice', '2018-12-14 19:00:00');
Replace DELAYED INTO  exmp_tb2 VALUES(7, 20, 'nice', DEFAULT);
Replace DELAYED INTO  exmp_tb2 (tb2_id, tb2_price) VALUES(11, DEFAULT);
Replace DELAYED INTO  exmp_tb2 (tb2_id, tb2_price, tb2_note) VALUES(12, DEFAULT, DEFAULT);
Replace DELAYED INTO  exmp_tb2 (tb2_id, tb2_price, tb2_note, tb2_date) VALUES(13, DEFAULT, DEFAULT, DEFAULT);

输出

  
       --DELAYED INSERT DELAYED works only with MyISAM, MEMORY, ARCHIVE, and BLACKHOLE tables. 
--If you execute INSERT DELAYED with another storage engine, 
--you will get an error like this: ERROR 1616 (HY000): DELAYED option not supported. 
INSERT INTO "public"."exmp_tb2"  VALUES (10,128.23,'nice','2018-10-11 19:00:00');
INSERT INTO "public"."exmp_tb2"  VALUES (6,DEFAULT,'nice','2018-12-14 19:00:00');
INSERT INTO "public"."exmp_tb2"  VALUES (7,20,'nice',DEFAULT);
INSERT INTO "public"."exmp_tb2" ("tb2_id","tb2_price") VALUES (11,DEFAULT);
INSERT INTO "public"."exmp_tb2" ("tb2_id","tb2_price","tb2_note") VALUES (12,DEFAULT,DEFAULT);
INSERT INTO "public"."exmp_tb2" ("tb2_id","tb2_price","tb2_note","tb2_date") VALUES (13,DEFAULT,DEFAULT,DEFAULT);