# Transformation Language does not support BLOB type

**URL:** <https://forum.cloverdx.com/t/transformation-language-does-not-support-blob-type/267>\
**Category:** CloverDX Platform\
**Created:** [January 4, 2008, 12:00am UTC](https://forum.cloverdx.com/t/transformation-language-does-not-support-blob-type/267 "2008-01-04T00:00:00Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![hwhwhw](https://avatars.discourse-cdn.com/v4/letter/h/9d8465/32.png) [@hwhwhw](https://forum.cloverdx.com/u/hwhwhw)\
**Post date:** [January 4, 2008, 12:00am UTC](https://forum.cloverdx.com/t/transformation-language-does-not-support-blob-type/267/1 "2008-01-04T00:00:00Z")

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Transformation Language does not support BLOB type

 //#TL function transform(){ $0.BlobField := $0.BlobField; } 

out error info:  
org.jetel.data.ByteDataField when mapping “$0.BlobField” (byte) - assigning “[B@ac4d3b” (BYTE)

Can support?

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**Author:** ![avackova](https://avatars.discourse-cdn.com/v4/letter/a/65b543/32.png) [@avackova](https://forum.cloverdx.com/u/avackova)\
**Post date:** [January 4, 2008, 12:26pm UTC](https://forum.cloverdx.com/t/transformation-language-does-not-support-blob-type/267/2 "2008-01-04T12:26:34Z")

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This feature is not implemented yet, but it will work in the future.

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**Author:** ![dpavlis](https://avatars.discourse-cdn.com/v4/letter/d/90ced4/32.png) [@dpavlis](https://forum.cloverdx.com/u/dpavlis)\
**Post date:** [January 6, 2008, 11:17am UTC](https://forum.cloverdx.com/t/transformation-language-does-not-support-blob-type/267/3 "2008-01-06T11:17:52Z")

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As of Clover.ETL 2.3.x, the **byte** data type is not implemented yet.  
We plan to add it to version 2.4.

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**Author:** ![hwhwhw](https://avatars.discourse-cdn.com/v4/letter/h/9d8465/32.png) [@hwhwhw](https://forum.cloverdx.com/u/hwhwhw)\
**Post date:** [January 7, 2008, 7:53am UTC](https://forum.cloverdx.com/t/transformation-language-does-not-support-blob-type/267/4 "2008-01-07T07:53:09Z")

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Thank you for your response