Package: postgresql-14-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-14, postgresql-14-jit-llvm (>= 10) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-14-first-last-agg_0.1.4-4-gd63ea3b-8.pgdg20.04+1_amd64.deb Size: 8796 SHA256: 581a6d6b6b78e970c7ec858a430569dddbb3f2c239a38c1bc7efa9b00a9c90ab SHA1: 88d2ad4e12b57b3d8d6dbedae9db6bc632082872 MD5sum: f0211b5c77808caa858012c1bf750c52 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).