Package: postgresql-9.5-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-3.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 34 Depends: postgresql-9.5 Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-9.5-first-last-agg_0.1.4-4-gd63ea3b-3.pgdg18.04+1_i386.deb Size: 5648 SHA256: 6c4d1cff240d4062eff47afb98f08120fc99a0d5b9bc9954831ba4612aa31ca5 SHA1: 7e200236586ad5a41938ab70e2f3e50934d45db0 MD5sum: 10b5a1971025f8f1f076288bb55f4602 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).