Package: postgresql-15-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-15, 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-8.pgdg22.04+1_amd64.deb Size: 8564 SHA256: d8f5ceb2747ec77c8bec8dfa5ed7fd815a96ba6eac16136e44e1c531a5852dd7 SHA1: 6373388710f2d92a441cef1e7316c5b01beaf192 MD5sum: da367ec30eb037d484ae51b4bbbe90f1 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).