Fixes ZSTAC-11965

create Json_getKeyValue everytime when upgrade_db

conf/db/upgrade/beforeMigrate.sql

@@ -0,0 +1,48 @@
+use zstack;
+
+DELIMITER $$
+
+DROP FUNCTION IF EXISTS `Json_getKeyValue` $$
+
+CREATE FUNCTION `Json_getKeyValue`(
+    in_JsonArray VARCHAR(4096),
+    in_KeyName VARCHAR(64)
+) RETURNS VARCHAR(4096) CHARSET utf8
+
+BEGIN
+    DECLARE vs_return, vs_JsonArray, vs_JsonString, vs_Json, vs_KeyName VARCHAR(4096);
+    DECLARE vi_pos1, vi_pos2 SMALLINT UNSIGNED;
+
+    SET vs_JsonArray = TRIM(in_JsonArray);
+    SET vs_KeyName = TRIM(in_KeyName);
+
+    IF vs_JsonArray = '' OR vs_JsonArray IS NULL
+        OR vs_KeyName = '' OR vs_KeyName IS NULL
+    THEN
+        SET vs_return = NULL;
+    ELSE
+        SET vs_JsonArray = REPLACE(REPLACE(vs_JsonArray, '[', ''), ']', '');
+        SET vs_JsonString = CONCAT("'", vs_JsonArray, "'");
+        SET vs_json = SUBSTRING_INDEX(SUBSTRING_INDEX(vs_JsonString,'}',1), '{', -1);
+
+        IF vs_json = '' OR vs_json IS NULL THEN
+            SET vs_return = NULL;
+        ELSE
+            SET vs_KeyName = CONCAT('"', vs_KeyName, '":');
+            SET vi_pos1 = INSTR(vs_json, vs_KeyName);
+
+            IF vi_pos1 > 0 THEN
+                SET vi_pos1 = vi_pos1 + CHAR_LENGTH(vs_KeyName);
+                SET vi_pos2 = LOCATE('","', vs_json, vi_pos1);
+
+                IF vi_pos2 = 0 THEN
+                    SET vi_pos2 = CHAR_LENGTH(vs_json) + 1;
+                END IF;
+
+            SET vs_return = REPLACE(MID(vs_json, vi_pos1, vi_pos2 - vi_pos1), '"', '');
+            END IF;
+        END IF;
+    END IF;
+    RETURN(vs_return);
+END$$
+DELIMITER  ;