IF EXISTS (SELECT 1 FROM sys.types t join sys.schemas s on t.schema_id=s.schema_id
and t.name='MyTableType' and s.name='dbo')
EXEC sys.sp_rename 'dbo.MyTableType', 'obsoleting_MyTableType';
GO
--重建TYPE，比如原来是四个字段，现在想修改为三个字段，或者原来有三个字段想加一个字段变成四个字段
CREATE TYPE dbo.MyTableType AS TABLE(
Id INT NOT NULL,
Name VARCHAR(255) NOT NULL， Remark VARCHAR(255)
)
GO
--将原来引用将要删除的TYPE全部重建一遍，否则原始存储过程会报错
DECLARE @Name NVARCHAR(500);
DECLARE REF_CURSOR CURSOR FOR
SELECT referencing_schema_name + '.' + referencing_entity_name
FROM sys.dm_sql_referencing_entities('dbo.MyTableType', 'TYPE');
OPEN REF_CURSOR;
FETCH NEXT FROM REF_CURSOR INTO @Name;
WHILE (@@FETCH_STATUS = 0)
BEGIN
EXEC sys.sp_refreshsqlmodule @name = @Name;
FETCH NEXT FROM REF_CURSOR INTO @Name;
END;
CLOSE REF_CURSOR;
DEALLOCATE REF_CURSOR;
GO
--最后删除原始的被重命名的TableType(被第一步重名的那个)
IF EXISTS (SELECT 1 FROM sys.types t
join sys.schemas s on t.schema_id=s.schema_id
and t.name='obsoleting_MyTableType' and s.name='dbo')
DROP TYPE dbo.obsoleting_MyTableType
GO
--最后执行授权
GRANT EXECUTE ON TYPE::dbo.MyTableType TO public
GO
