SQL Server 2012 FileTable 新特性详解

--1.配置实例级别的filestream，取值如下
--0：为此实例禁用 FILESTREAM 支持。
--1：针对 Transact-SQL 访问启用 FILESTREAM。
--2：针对 Transact-SQL 和 Win32 流访问启用 FILESTREAM。
EXEC sp_configure 'filestream_access_level', 2
GO
RECONFIGURE
--启动
ALTER DATABASE test SET FILESTREAM (NON_TRANSACTED_ACCESS = FULL, DIRECTORY_NAME ='test' )
--添加filestream文件组
ALTER DATABASE test ADD FILEGROUP filestreamgroup CONTAINS FILESTREAM
GO
ALTER DATABASE test ADD FILE (NAME = 'fg1', FILENAME ='D:\FileStream\fg1' ) TO FILEGROUP filestreamgroup
GO
--需要非事务访问,directory_name
SELECT DB_NAME (database_id ), non_transacted_access , non_transacted_access_desc, directory_name
FROM sys. database_filestream_options ;
GO
CREATE TABLE DocumentStore AS FileTable
WITH (
FileTable_Directory = 'DocumentTable' ,
FileTable_Collate_Filename = database_default
);
GO
--插入目录
INSERT INTO dbo. DocumentStore (name , is_directory ) 
SELECT 'MyDir01' , 1 ; 
--在新增目录上，插入文件
SELECT @path = path_locator 
FROM dbo. DocumentStore 
WHERE name = 'MyDir01' 
SELECT @new_path = @path. ToString() + 
CONVERT (VARCHAR (20 ), CONVERT (BIGINT , SUBSTRING (CONVERT ( BINARY( 16), NEWID ()), 1 , 6))) + '.' + 
CONVERT (VARCHAR (20 ), CONVERT (BIGINT , SUBSTRING (CONVERT ( BINARY( 16), NEWID ()), 7 , 6))) + '.' + 
CONVERT (VARCHAR (20 ), CONVERT (BIGINT , SUBSTRING (CONVERT ( BINARY( 16), NEWID ()), 13 , 4))) + '/' 
INSERT INTO dbo. DocumentStore (name , file_stream , path_locator ) 
SELECT N'空文件.txt' , 0x , @new_path 
SELECT getpathlocator ( '\\fanr-pc\SQL2016\test\DocumentTable\1.txt' ), * FROM DocumentStore