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去掉编号函数

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季圣华
2019-07-10 23:08:02 +08:00
parent 10aa65b7a3
commit fdebb1e565
6 changed files with 17 additions and 30 deletions
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26
docs/jsh_erp(第一次建库请使用这个).sql
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@@ -1908,29 +1908,3 @@ INSERT INTO `jsh_tenant` VALUES ('17', '126', '123123', '2', '200', null);
INSERT INTO `jsh_tenant` VALUES ('17', '127', '2345123', '2', '200', null);
INSERT INTO `jsh_tenant` VALUES ('17', '128', 'q12341243', '2', '200', null);
INSERT INTO `jsh_tenant` VALUES ('17', '130', 'jsh666', '2', '200', null);
-- ----------------------------
-- Function structure for `_nextval`
-- ----------------------------
DROP FUNCTION IF EXISTS `_nextval`;
DELIMITER ;;
CREATE FUNCTION `_nextval`(name varchar(50)) RETURNS mediumtext CHARSET utf8
begin
declare _cur bigint;
declare _maxvalue bigint; -- 接收最大值
declare _increment int; -- 接收增长步数
set _increment = (select increment_val from tbl_sequence where seq_name = name);
set _maxvalue = (select max_value from tbl_sequence where seq_name = name);
set _cur = (select current_val from tbl_sequence where seq_name = name for update);
update tbl_sequence -- 更新当前值
set current_val = _cur + increment_val
where seq_name = name ;
if(_cur + _increment >= _maxvalue) then -- 判断是都达到最大值
update tbl_sequence
set current_val = minvalue
where seq_name = name ;
end if;
return _cur;
end
;;
DELIMITER ;