Package: postgresql-14-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-7.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-14, postgresql-14-jit-llvm (>= 14) 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-7.pgdg22.04+1_amd64.deb Size: 8388 SHA256: e847ca87e697ac83f74ec4850d8dbb465035fe903e19c23df110ad537dcb1bf8 SHA1: cb438e8036ecaa6d88bc90deea6270b1fdaaafac MD5sum: e631ff7252a05bc83a545c5b6af2483c 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).