Package: postgresql-11-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-11 Breaks: postgresql-11-jit-llvm (<< 15) Homepage: https://github.com/wulczer/first_last_agg Priority: optional Section: database Filename: pool/main/f/first-last-agg/postgresql-11-first-last-agg_0.1.4-4-gd63ea3b-9.pgdg22.04+1_amd64.deb Size: 8588 SHA256: 8af272cab8dc9824759a2bb54390d47b2f6fb5b8a25005e2a680772a594786af SHA1: 87dffbe44d50b3306fa0b6170e4fa69b1f117d07 MD5sum: 66d0150339bbe6880ce3b18d8951be5c 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).