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  • PowerCenter 10.5
  • All Products

Table of Contents

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  1. Preface
  2. The Transformation Language
  3. Constants
  4. Operators
  5. Variables
  6. Dates
  7. Functions
  8. Creating Custom Functions
  9. Custom Function API Reference

Transformation Language Reference

Transformation Language Reference

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Expression Components

Expression Components

Expressions can consist of any combination of the following components:
  • Ports (input, input/output, variable)
  • String literals, numeric literals
  • Constants
  • Functions
  • Built-in and local variables
  • Mapping parameters and mapping variables
  • Pre-defined workflow variables
  • User-defined workflow variables
  • Operators
  • Return values
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