Invest Once, Save a Million Times – LLVM-based Expression Compilation in PostgreSQL

Butterstein, DennisGrust, TorstenMitschang, BernhardNicklas, DanielaLeymann, FrankSchöning, HaraldHerschel, MelanieTeubner, JensHärder, TheoKopp, OliverWieland, Matthias2017-06-202017-06-202017978-3-88579-659-6We demonstrate how a surgical change to PostgreSQL’s evaluation strategy for SQL expressions can have a noticeable impact on overall query runtime performance. (This is an abridged version of [BG16], originally demonstrated at VLDB 2016.)enInvest Once, Save a Million Times – LLVM-based Expression Compilation in PostgreSQLText/Conference Paper1617-5468