Merge pull request #220 from dataease/pr@dev@panel

backend/src/main/resources/db/migration/V14__update_function.sql

+CREATE FUNCTION `GET_CHART_VIEW_COPY_NAME`(chartId varchar(255)) RETURNS varchar(255) CHARSET utf8
+    READS SQL DATA
+BEGIN
+
+DECLARE chartName varchar(255);
+
+DECLARE pid varchar(255);
+
+DECLARE regexpInfo varchar(255);
+
+DECLARE chartNameCount INTEGER;
+
+select `name` ,`scene_id` into chartName, pid from chart_view where id =chartId;
+/**
+因为名称存在（）等特殊字符，所以不能直接用REGEXP进行查找，qrtz_locks
+1.用like 'chartName%' 过滤可能的数据项
+2.REPLACE(name,chartName,'') REGEXP '-copy\\(([0-9])+\\)$' 过滤去掉chartName后的字符以 -copy(/d) 结尾的数据
+3.(LENGTH(REPLACE(name,chartName,''))-LENGTH(replace(REPLACE(name,chartName,''),'-',''))=1) 确定只出现一次 ‘-’ 防止多次copy
+**/
+select (count(1)+1) into chartNameCount from chart_view
+where (LENGTH(REPLACE(name,chartName,''))-LENGTH(replace(REPLACE(name,chartName,''),'-',''))=1)
+and REPLACE(name,chartName,'') REGEXP '-copy\\(([0-9])+\\)$' and name like CONCAT(chartName,'%') and chart_view.scene_id=pid ;
+
+RETURN concat(chartName,'-copy(',chartNameCount,')');
+
+END