Package: postgresql-12-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-9.pgdg26.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 42 Depends: postgresql-12 Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-12-first-last-agg_0.1.4-4-gd63ea3b-9.pgdg26.04+1_amd64.deb Size: 5904 SHA256: 7b693f8b965bed116ed074e28a0a33fa5657fa5973c76fad33b3d9d74b5bab39 SHA1: 8c4fc3af21b4a3513f01a05efd8b732db71197ee MD5sum: 171a7a0ccac83e4c846d96e8edba3298 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).