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The Transformation Language
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Creating Custom Functions
Custom Function API Reference

Transformation Language Reference

10.5.7
- 10.5.6
- 10.5.1
- 10.5
- 10.4.0

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COMPRESS

Compresses data using the zlib 1.2.1 compression algorithm. Use the COMPRESS function before you send large amounts of data over a wide area network.

Syntax

COMPRESS( value )

The following table describes the argument for this command:

Argument	Required/ Optional	Description
value	Required	String datatype. Data that you want to compress.

Return Value

Compressed binary value of the input value.

NULL if the input is a null value.

Example

Your organization has an online order service. You want to send customer order data over a wide area network. The source contains a row that is 10 MB. You can compress the data in this row using COMPRESS. When you compress the data, you decrease the amount of data the

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writes over the network. As a result, you may increase performance.

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