小编ryn*_*yn6的帖子

你好,我很难用这个存储过程.我得到错误:结果由多行组成.

这是我的存储过程:

DELIMITER $$

DROP PROCEDURE IF EXISTS `dss`.`COSTRET` $$
CREATE DEFINER=`dwadmin`@`192.168.%.%` PROCEDURE `COSTRET`( TDATE DATE)
BEGIN
    DECLARE done INT DEFAULT 0;
    DECLARE ls_id VARCHAR(8);
    DECLARE ld_cost DECIMAL(10,4);
      DECLARE ld_retail DECIMAL(10,4);
    DECLARE cur1 CURSOR FOR SELECT DISTINCT `id` FROM `prod_performance` WHERE `psc_week` = TDATE;
    DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;

  -- Get the Cost
  CREATE TEMPORARY TABLE IF NOT EXISTS `prod_itemcost`
    SELECT DISTINCTROW `itemcode` ID, `mlist` COST
    FROM (SELECT `itemcode`, `pceffdate`, `mlist`
        FROM `purchcost` a
        where …

我想问一下ubuntu可以处理多少个并发连接？我听说xp最多有10个连接..我将它用作我的小型服务器的操作系统,并将在其上使用mysql ..