Package: postgresql-15-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-7.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-15, postgresql-15-jit-llvm (>= 10) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-15-first-last-agg_0.1.4-4-gd63ea3b-7.pgdg20.04+1_amd64.deb Size: 8800 SHA256: ef21a861407faa71352e8d357e4bd16b92dd8b565cfbffdff99e09fb71b7daf5 SHA1: 77bb017d90857a49afa2a94cc93b390666a7084b MD5sum: 8e77067b011adbaa2bdea4de3546cae7 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).