Package: postgresql-14-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-6.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 43 Depends: postgresql-14 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-6.pgdg18.04+1_i386.deb Size: 8428 SHA256: 8b94cf473ee07338b5c30b348c06a2d865b8c64b3083857d67d72c0f980847fe SHA1: 7897f87b4ee41080ced2c73e970b074136ad71a5 MD5sum: fbdb999b59dd420f27272bfc0bdeed5b 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).