[MSSQL] IMAGE 컬럼 데이터 이미지로 내보내기

-- Write database image (jpg) to file
-- http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=101754
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DECLARE @ImageData varbinary(max);
SELECT @ImageData = (SELECT convert(varbinary(max), ImageData, 1) FROM ProductImages WHERE Id = 1);

DECLARE @Path nvarchar(1024);
SELECT @Path = 'D:\';

DECLARE @Filename NVARCHAR(1024);
SELECT @Filename = (SELECT ImageFilename FROM ProductImages WHERE id = 1);

DECLARE @FullPathToOutputFile NVARCHAR(2048);
SELECT @FullPathToOutputFile = @Path + '\' + @Filename;

DECLARE @ObjectToken INT
EXEC sp_OACreate 'ADODB.Stream', @ObjectToken OUTPUT;
EXEC sp_OASetProperty @ObjectToken, 'Type', 1;
EXEC sp_OAMethod @ObjectToken, 'Open';
EXEC sp_OAMethod @ObjectToken, 'Write', NULL, @ImageData;
EXEC sp_OAMethod @ObjectToken, 'SaveToFile', NULL, @FullPathToOutputFile, 2;
EXEC sp_OAMethod @ObjectToken, 'Close';
EXEC sp_OADestroy @ObjectToken;

-- Make sure the following statement is executed to enable file IO
-- From http://msdn.microsoft.com/en-us/library/ms191188.aspx
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sp_configure 'show advanced options', 1;
GO
RECONFIGURE;
GO
sp_configure 'Ole Automation Procedures', 1;
GO
RECONFIGURE;
GO