Package: postgresql-15-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-15 Breaks: postgresql-15-jit-llvm (<< 15) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-15-first-last-agg_0.1.4-4-gd63ea3b-9.pgdg22.04+1_amd64.deb Size: 8620 SHA256: 7ce27e16721a0d3e08ae7c2aaac74a3690a95c3609c61ae880a2d4b30a703cdb SHA1: 2654eed3b8b0d7fad4f1e6391d38221ee9e5d613 MD5sum: 3991339e255909bb1367cdeea369af94 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).