Package: postgresql-14-first-last-agg Source: first-last-agg Version: 0.1.4-4-gd63ea3b-7.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 51 Depends: postgresql-14, postgresql-14-jit-llvm (>= 10) 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.pgdg20.04+1_amd64.deb Size: 8772 SHA256: 4b53593124aba463b98e3b1bc659370e45bccc840a3b51d2f00fca26b005d2a9 SHA1: 50148d06f9d8ef5665edbc0824c2c48ff997d24b MD5sum: 0a0fe00d672446b319ba356e7e7700b4 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).