Package: postgresql-13-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-9.pgdg26.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 42 Depends: postgresql-13 Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-13-first-last-agg_0.1.4-4-gd63ea3b-9.pgdg26.04+1_amd64.deb Size: 5900 SHA256: 52be210a78d664e5f102226117372a47af7e3f6246ef14b95af2f1a90e7a6f6d SHA1: be02bfc3f347439388d0292be053332514905f0a MD5sum: 60ff0b9b02b7ae3c25ddb85b7719c240 Description: PostgreSQL extension providing first and last aggregate functions first-last-agg is a simple extension providing two aggregate functions, last and first, operating on any element type and returning the last or the first value of the group. . Since by default the ordering inside groups created by a GROUP BY expression is not defined, it is advisable to use an ORDER BY clause inside the aggregate expression (see the aggregate function syntax).