Chapter 41. PL/Tcl - Tcl Procedural Language

Table of Contents
41.1. Overview
41.2. PL/Tcl Functions and Arguments
41.3. Data Values in PL/Tcl
41.4. Global Data in PL/Tcl
41.5. Database Access from PL/Tcl
41.6. Trigger Procedures in PL/Tcl
41.7. Modules and the unknown Command
41.8. Tcl Procedure Names

Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly.

PL/Tcl is a loadable procedural language for the Postgres-XC database system inherited from PostgreSQL that enables the Tcl language to be used to write functions and trigger procedures.

You can use PL/Tcl in Postgres-XC too.