Package: postgresql-13-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-9.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-13 Breaks: postgresql-13-jit-llvm (<< 15) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-13-first-last-agg_0.1.4-4-gd63ea3b-9.pgdg22.04+1_amd64.deb Size: 8600 SHA256: 33fd59304899f97aeb9652f0653f5aa20fe9704f75e27d4f6fe09910932df3df SHA1: 6552dc37949c264c9bad17757af9eccd7213375a MD5sum: 5d0671d63d7f5e3349f4e64b1b63c525 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).