SQL Server 修改表结构后批量更新所有视图

创建刷新视图的存储过程，入参是表名。用于修改表结构后批量更新所有视图。

例如在patient_mi表里新增了字段，如果视图不刷新可能会有串列的情况。

以下面的格式执行存储过程，刷新所有用到patient_mi这张表的视图：

exec RefreshOurView 'patient_mi'

存储过程脚本：

CREATE PROCEDURE RefreshOurView
    @table_name varchar(200)
AS
BEGIN
	DECLARE MyCursor CURSOR
	FOR SELECT OBJECT_NAME(referencing_id) AS referencing_entity_name
	FROM sys.sql_expression_dependencies AS sed  
	INNER JOIN sys.objects AS o ON sed.referencing_id = o.object_id  
	WHERE referenced_id = OBJECT_ID(N'' + @table_name + '') and o.type_desc = 'VIEW'

	DECLARE @view_name varchar(40)
	OPEN MyCursor

	FETCH NEXT FROM MyCursor 
	INTO @view_name
	WHILE (@@fetch_status <> -1)
	BEGIN
		IF (@@fetch_status <> -2)
		begin
			PRINT @view_name
			EXEC sp_refreshview @view_name
		END
	    
		FETCH NEXT FROM MyCursor INTO @view_name
	END

	CLOSE MyCursor
	DEALLOCATE MyCursor
END

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