PL/J

Aliases: PLJ

Provenance: commit 739d360750 · authored 2026-02-12T10:34:09+01:00 · agent claude-code · model sonnet

1 source · not in taxonomy (canonical name didn't match any upstream)

Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.

CREATE FUNCTION javaToUpper(VARCHAR(80))
  RETURNS VARCHAR(80)
  AS 'UDR:org.postgresql.pljava.example.StringFunctions.toUpperCase'
  LANGUAGE java;

CREATE FUNCTION javaConcat(VARCHAR(80), VARCHAR(80))
  RETURNS VARCHAR(80)
  AS 'UDR:org.postgresql.pljava.example.StringFunctions.concat'
  LANGUAGE java;

SELECT javaToUpper('hello world');
SELECT javaConcat('Hello ', 'World');