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  • .net 中写 psql 匿名函数、过程语言

    DO            --关键字
    $serch$       --$中间随便写, 不能用特殊符号和数字好像$
     DECLARE times integer; --定义变量
     rec history_depart%ROWTYPE; -- 定义行变量
     BEGIN
        times := 0;
        FOR rec in SELECT * FROM history_depart WHERE person_id = 5655 LOOP --几种循环的一种 循环查到的结果 另几种查看 https://www.cnblogs.com/stephen-liu74/archive/2012/06/06/2312759.html
        times:=times+1;
        RAISE NOTICE 'LOOP % %',times,rec.history_depart_id;
      END LOOP;
    END
    $serch$ LANGUAGE PLPGSQL
    

     

    DO
    $serch$
    DECLARE rec history_depart%ROWTYPE;
    strSQL varchar(1000);
    BEGIN
      strSQL := '';
      FOR rec in SELECT * FROM history_depart WHERE person_id = 5655 LOOP
        strSQL :=strSQL || ' union ';
        RAISE NOTICE 'LOOP % %',strSQL,rec.history_depart_id;
        strSQL := strSQL || 'SELECT * FROM attend_record_all AS a LEFT JOIN leave_type AS b ON a.leave_type_id = b.leave_type_id WHERE attend_day >= ''' || to_char(rec.transfer_in,'YYYY-MM-DD HH24:MI:SS') || ''' AND attend_day < ''' || to_char(COALESCE(rec.transfer_out,'9999/12/31 23:59:59'),'YYYY-MM-DD HH24:MI:SS') || ''' AND person_id = 5655 AND a.leave_type_id < 50';
        RAISE NOTICE 'LOOP % %',strSQL,rec.history_depart_id;
      END LOOP;
      strSQL := substring(strSQL from 7); 
      
      RAISE NOTICE '%',strSQL;
      EXECUTE strSQL;
    END
    $serch$
    

      

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  • 原文地址:https://www.cnblogs.com/tony-brook/p/10579401.html
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