如何将受影响的行计数分配给变量? 我正在用opstgres语法挣扎。 我有一个变量,我可以使用返回子句获得受影响的行数 声明DeletreWcount Integer; 删除为 (( 从mytable&qu ...删除

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您可以简单地使用设置命令:

DECLARE deletedRowCount integer; WITH deleted as ( DELETE FROM MyTable "t" USING tmp_closed_positions WHERE condition RETURNING "t"."Id" ) set deletedRowCount = (SELECT COUNT(*) FROM deleted);


postgresql plpgsql
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