feat: 基础库sql

2024-08-09 16:36:29 +08:00
parent 91f85572a7
commit 1ba06f10f0
12 changed files with 92522 additions and 15742 deletions
@@ -0,0 +1,34 @@
+CREATE DEFINER=`root`@`%` FUNCTION `changestr`(duty_territory VARCHAR(500), location int, str VARCHAR(500)) RETURNS varchar(500) CHARSET utf8mb4
+    COMMENT '替换指定字符串'
+begin
+        declare result varchar(500);
+        declare str1 varchar(500);
+        declare str2 varchar(500);
+        declare num int;
+        declare num1 int;
+        declare num2 int;
+
+				set num = LENGTH(duty_territory) - LENGTH( REPLACE (duty_territory, ',', ''));
+				set num1 = location-1;
+				set num2 = 0-(num-location+1);
+
+				set str1 = substring_index(duty_territory,',',num1);
+				set str2 = substring_index(duty_territory,',',num2);
+
+				if LENGTH(trim(str1))=0 && LENGTH(trim(str2))=0 then
+					set result = str;
+
+				 elseif  LENGTH(trim(str1))=0 then
+					set result = CONCAT(str,',',str2);
+
+				 elseif  LENGTH(trim(str2))=0  then
+					set result = CONCAT(str1,',',str);
+
+else
+					set result = CONCAT(str1,',',str,',',str2);
+end if;
+
+
+
+return result;
+end