Package: postgresql-12-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-9.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-12 Breaks: postgresql-12-jit-llvm (<< 15) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-12-first-last-agg_0.1.4-4-gd63ea3b-9.pgdg22.04+1_amd64.deb Size: 8608 SHA256: 213b53865c87ce01b4e022ff8a6132dee432d47e0453417031ef15b9e51f6178 SHA1: 4d3967e56cfb0d5d71052a3343a0c49bd9fade7c MD5sum: 166d4b5f01a0157bebaad1e165a88ed4 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).