Package: postgresql-16-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-8.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-16, postgresql-16-jit-llvm (>= 10) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-16-first-last-agg_0.1.4-4-gd63ea3b-8.pgdg20.04+1_amd64.deb Size: 8832 SHA256: d4f2752c36292ccbbf008d58b2b657c6e89b485aec77a70ed4c492d4ced3d51a SHA1: 02b98d68a71e70c8a0fa24984439fbeff6ea374d MD5sum: 42f82f4b4a37c10b6dfacf6631c3e082 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).