Package: postgresql-14-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-8.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-14, postgresql-14-jit-llvm (>= 15) 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.pgdg22.04+1_amd64.deb Size: 8532 SHA256: 25f328fad44913564edaecec8f7d4c86ddabf727b4e264e9e08863c50afde7d2 SHA1: 981512e3f3077c554719a924c02e88c2def70aad MD5sum: 21411bb89a1c673f49006795a810aca7 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).