代码语言:txt 复制 INSERT INTO target_table (id, column1, column2) SELECT id, column1, column2 FROM another_table ON CONFLICT (id) DO UPDATE SET column1 = EXCLUDED.column1, column2 = EXCLUDED.column2; 在上述示例中,target_table是目标表,another_table是另...
postgresql Postgres -基于多列匹配从另一个表更新表尝试使用如下2个update语句：
BEGIN; -- SQL 操作 INSERT INTO table_name (column1, column2) VALUES (value1, value2); UPDATE table_name SET column1 = value1 WHERE condition; COMMIT; -- 或者 ROLLBACK; 以撤销事务 这只是PostgreSQL语法的一个基础入门。PostgreSQL拥有丰富的功能和复杂的特性,比如JSON数据类型支持、全文搜索、地理...
RangeVar *relation;/* relation to update */List *targetList;/* the target list (of ResTarget) */// 对应语句中的set id = 0;信息在这里Node *whereClause;/* qualifications */List *fromClause;/* optional from clause for more tables */List *returningList;/* list of expressions to return ...
postgresql 根据postgres 15中的匹配值将一个表中的数据添加到另一个表中的数组在赋值语句的右侧加上...
(that is, every servers are specified as none),#then coordSlave value will be set to n and all the following values will be set to#empty values.coordUserDefinedBackupSettings=n#Specify whether to update backup/recovery#settings during standby addition/removal.coordSlaveSync=y#Specify to connect...
# If GTM crashes and you need to reconfigure it, you candoit by pgxc_update_gtm command to update # GTM master with others. Of course, we provide pgxc_remove_gtm command to remove it. This command # will not stop the current GTM. Itisup to theoperator. ...
该csv文件相对于表要缺少两个字段(id,updateTime)。我思路是:在测试库中新建一张表,恰巧是csv表中的几个字段,通过Navicat工具的“导入向导”功能,将csv文件内容倒进测试库的表中。 csv文件: 导入成功后,我可... 自增build ID配置 Build在plist文件中的key是“CFBundleVersion”,标示(发布或者未发布)的内部版本...
I am trying to send an update statement to PostGres, with a dynamic substitution in the syntax, as I have done before with "regular" MS SQL. So, I took a delete syntax from another MSSQL that work nicely (see attachment) with the query in the input data source: ...
{}', "createdAt" TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP, "updatedAt" TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP, CONSTRAINT fk_smart_info_asset FOREIGN KEY ("assetId") REFERENCES assets(id) ON DELETE CASCADE ); -- Now create the index CREATE INDEX IF NOT EXISTS idx_...