From 3a1b88db2fd8e2728e285a2f90d6ae9eed317a6e Mon Sep 17 00:00:00 2001
From: wangjiahao <1522128093@qq.com>
Date: Thu, 29 Sep 2022 12:01:00 +0800
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---
 .../main/resources/db/migration/V40__1.15.sql | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/backend/src/main/resources/db/migration/V40__1.15.sql b/backend/src/main/resources/db/migration/V40__1.15.sql
index 0b34538a39..93c1d0741f 100644
--- a/backend/src/main/resources/db/migration/V40__1.15.sql
+++ b/backend/src/main/resources/db/migration/V40__1.15.sql
@@ -209,3 +209,33 @@ RETURN oTemp;
 END
 ;;
 delimiter ;
+
+DROP FUNCTION IF EXISTS `GET_CHART_VIEW_COPY_NAME`;
+delimiter ;;
+CREATE FUNCTION `GET_CHART_VIEW_COPY_NAME`(chartId varchar(255),pid varchar(255))
+    RETURNS varchar(255) CHARSET utf8mb4
+  READS SQL DATA
+BEGIN
+
+DECLARE chartName varchar(255);
+
+DECLARE regexpInfo varchar(255);
+
+DECLARE chartNameCount INTEGER;
+
+select (case when `type`='richTextView' then 'RICH_TEXT_VIEW' else `name` end)  into chartName 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
+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
+;;
+delimiter ;