Package: postgresql-17-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-7.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-17, postgresql-17-jit-llvm (>= 15) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-17-first-last-agg_0.1.4-4-gd63ea3b-7.pgdg22.04+1_amd64.deb Size: 8484 SHA256: 68796a8f1283811e225c649a78848eaa633b01e5efd85b522cd4dc696d477fa1 SHA1: f767dd4d5fb0e4308bbd21c4ed62f572a6bf63d4 MD5sum: 4aed93eaf53314c95caf852e02b60c39 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).