item：函数脚本维护

amos-boot-system-equip/src/main/resources/changelog/sql-task-all.xml

@@ -239,4 +239,25 @@
             END#
         </sql>
     </changeSet>
+    <changeSet author="gaojianqiang" id="1641307260-20220104-01"  runAlways="true">
+        <comment>`getBuildChildIdsByRootId`</comment>
+        <sql endDelimiter="#">
+            DROP FUNCTION IF EXISTS `getBuildChildIdsByRootId`#
+            CREATE DEFINER=`root`@`%` FUNCTION `getBuildChildIdsByRootId`(`rootId` VARCHAR(100)) RETURNS varchar(4000) CHARSET utf8mb4 COLLATE utf8mb4_general_ci
+            BEGIN
+            DECLARE sTemp TEXT;
+            DECLARE sTempChd VARCHAR(4000);
+            SET group_concat_max_len=102400;
+
+            SET sTemp='$';
+            SET sTempChd = CAST(rootId AS CHAR);
+
+            WHILE sTempChd IS NOT NULL DO
+            SET sTemp= CONCAT(sTemp,',',sTempChd);
+            SELECT GROUP_CONCAT(distinct instanceId) INTO sTempChd FROM get_building_tree WHERE FIND_IN_SET(parentId,sTempChd)>0;
+            END WHILE;
+            RETURN sTemp;
+            END#
+        </sql>
+    </changeSet>
 </databaseChangeLog>
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