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@postgrespedia

CREATE LANGUAGE

CREATE LANGUAGE is a DDL command for defining a new procedural language.

CREATE LANGUAGE was added in PostgreSQL 6.3.

Usage

Normally procedural languages are installed by creating the extension which defines the language; CREATE LANGUAGE is executed as part of the extension's installation script.

Change history

• PostgreSQL 14
  • obsolete option to specify the language name as a single-quoted string removed (commit 5333e014)
• PostgreSQL 13
  • removal of pg_pltemplate and creation of the concept of trusted extensions makes it possible for untrusted versions of non-core languages to be installed (commit 50fc694e)
• PostgreSQL 9.0
  • CREATE OR REPLACE LANGUAGE ... syntax added (commit 11b58470)
  • INLINE option added (commit 9048b731)
  • deprecated LANCOMPILER option removed (commit 9048b731)
• PostgreSQL 8.1
  • simplified CREATE LANGUAGE name syntax added, which uses information stored in pg_pltemplate to create the language (commits e0dedd05 and 48123de7)
• PostgreSQL 7.3
  • VALIDATOR option added (commit d60f10b0)
  • PROCEDURAL keyword now optional (commit 4b71943b)
• PostgreSQL 7.2
  • LANCOMPILER option deprecated (commit ee8ed85d)
• PostgreSQL 6.3
  • added as CREATE PROCEDURAL LANGUAGE (commit 7bff4c50)

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