Postgres-XC 1.1 Documentation
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# 36.7. Procedural Language Functions

Postgres-XC allows user-defined functions to be written in other languages besides SQL and C. These other languages are generically called procedural languages (PLs). Procedural languages aren't built into the Postgres-XC components (coordinators and datanodes); they are offered by loadable modules. See Chapter 39 and following chapters for more information.

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