mysql function sf_get_full_manage_name_en
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begin
declare done int default 0;
declare v_len int default 3;
declare v_name_en varchar(255);
declare v_full_name_en varchar(1023) default '';
if v_manage_code is null or v_manage_code = '' then
return '';
end if;
the_loop: loop
select name_en into v_name_en from categories where code = substring(v_manage_code, 1, v_len);
if done = 1 then
set v_name_en = '';
end if;
if v_len > length(v_manage_code) || v_len > 12 then
leave the_loop;
end if;
set v_len = v_len + 3;
set v_full_name_en = concat(v_full_name_en, v_name_en, '/');
end loop the_loop;
return substring(v_full_name_en, 1, char_length(v_full_name_en) - 1);
declare done int default 0;
declare v_len int default 3;
declare v_name_en varchar(255);
declare v_full_name_en varchar(1023) default '';
if v_manage_code is null or v_manage_code = '' then
return '';
end if;
the_loop: loop
select name_en into v_name_en from categories where code = substring(v_manage_code, 1, v_len);
if done = 1 then
set v_name_en = '';
end if;
if v_len > length(v_manage_code) || v_len > 12 then
leave the_loop;
end if;
set v_len = v_len + 3;
set v_full_name_en = concat(v_full_name_en, v_name_en, '/');
end loop the_loop;
return substring(v_full_name_en, 1, char_length(v_full_name_en) - 1);
end
函数定义结束
函数使用
$category_model=BizDB::select(BizDB::expr('sf_get_full_manage_name(code) as name ,sf_get_full_manage_name_en(code) as name_en')) ->from('categories') ->where('code', '=', $template['category_code']) ->execute() ->as_array();
例子2 定义名称为test的函数
BEGIN
#Routine body goes here...
RETURN (SELECT COUNT(id) FROM users);
END
调用函数SELECT test()
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