<\/span><\/h3>\n\n\n\n\u5339\u914d\u4e0a\u7684id=1\u88ab\u66f4\u65b0\u4e86\uff0c\u6ca1\u5339\u914d\u4e0a\u76842\u548c3\u88abinsert\u4e86\u3002<\/p>\n\n\n\n
gbase> merge into t1 using t2 on t1.id=t2.id when matched then update set t1.name=t2.name,t1.birth=t2.birth when not matched then insert(id,name,birth)values(t2.id,t2.name,t2.birth);\r\nQuery OK, 3 rows affected (Elapsed: 00:00:00.13)\r\nRows matched: 3 Changed: 3 Warnings: 0\r\n\r\ngbase> select * from t1;\r\n+------+------+------------+\r\n| id | name | birth |\r\n+------+------+------------+\r\n| 9 | 9999 | 2011-09-09 |\r\n| 1 | 1212 | 2011-12-12 |\r\n| 2 | 2222 | 2022-12-12 |\r\n| 3 | 3333 | 2033-12-12 |\r\n+------+------+------------+\r\n4 rows in set (Elapsed: 00:00:00.01)\r\n<\/code><\/pre>\n\n\n\n<\/span>\u53ea\u5305\u542bMatched\uff0c\u7528\u4e8e\u66f4\u65b0<\/span><\/h3>\n\n\n\ngbase> truncate table t1;\r\nQuery OK, 4 rows affected (Elapsed: 00:00:00.21)\r\n\r\ngbase> insert into t1 values(1,'1111','2011-11-11'),(9,'9999','2011-09-09');\r\nQuery OK, 2 rows affected (Elapsed: 00:00:00.14)\r\nRecords: 2 Duplicates: 0 Warnings: 0\r\n\r\ngbase> select * from t1;\r\n+------+------+------------+\r\n| id | name | birth |\r\n+------+------+------------+\r\n| 1 | 1111 | 2011-11-11 |\r\n| 9 | 9999 | 2011-09-09 |\r\n+------+------+------------+\r\n2 rows in set (Elapsed: 00:00:00.01)\r\n\r\ngbase> merge into t1 using t2 on t1.id=t2.id when matched then update set t1.name=t2.name,t1.birth=t2.birth; Query OK, 1 row affected (Elapsed: 00:00:00.17)\r\nRows matched: 1 Changed: 1 Warnings: 0\r\n\r\ngbase> select * from t1;\r\n+------+------+------------+\r\n| id | name | birth |\r\n+------+------+------------+\r\n| 9 | 9999 | 2011-09-09 |\r\n| 1 | 1212 | 2011-12-12 |\r\n+------+------+------------+\r\n2 rows in set (Elapsed: 00:00:00.01)\r\n<\/code><\/pre>\n\n\n\n<\/span>\u53ea\u5305\u542bNOT Matched\u7528\u4e8e\u63d2\u5165\u65b0\u6570\u636e<\/span><\/h3>\n\n\n\ngbase> truncate table t1;\r\nQuery OK, 2 rows affected (Elapsed: 00:00:00.16)\r\n\r\ngbase> insert into t1 values(1,'1111','2011-11-11'),(9,'9999','2011-09-09');\r\nQuery OK, 2 rows affected (Elapsed: 00:00:00.12)\r\nRecords: 2 Duplicates: 0 Warnings: 0\r\n\r\ngbase> merge into t1 using t2 on t1.id=t2.id when not matched then insert(id,name,birth)values(t2.id,t2.name,t2.birth); Query OK, 2 rows affected (Elapsed: 00:00:00.17)\r\nRows matched: 2 Changed: 2 Warnings: 0\r\n\r\ngbase> select * from t1;\r\n+------+------+------------+\r\n| id | name | birth |\r\n+------+------+------------+\r\n| 1 | 1111 | 2011-11-11 |\r\n| 9 | 9999 | 2011-09-09 |\r\n| 2 | 2222 | 2022-12-12 |\r\n| 3 | 3333 | 2033-12-12 |\r\n+------+------+------------+\r\n4 rows in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>","protected":false},"excerpt":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u652f\u6301Merge \u5408\u5e76\u529f\u80fd\uff0c\u6df7\u5408\u4e86update\u548cinsert\uff0c\u672c\u6587\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u3002\u8be5\u529f\u80fd\u6307\u9488\u5bf9Hash\u5206\u5e03\u8868\uff0c\u5426\u5219\u4f1a\u62a5\u9519ERROR 1149 (42000): (GBA-02SC-1001) Can't DO Merge when not able to build hash (redistribution) JOIN relationship between merge target and source.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,54],"tags":[],"class_list":["post-8096","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/8096","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=8096"}],"version-history":[{"count":8,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/8096\/revisions"}],"predecessor-version":[{"id":8110,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/8096\/revisions\/8110"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=8096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=8096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=8096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}