> On 14 Feb 2024, at 21:56, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Ayush Vatsa <ayushvatsa1810@xxxxxxxxx> writes: >> 2. While going through the contrib folder I find that in the regress test >> there are two .out files with respect to a single .sql file, example >> citext.out and citext_1.out wrt citext.sql. Why is it so? Even in git blame >> , I couldn't find much! > > We use that when the expected test output is environment-dependent. > If the diff between the .out files isn't pretty self-explanatory, > you can try checking the git log for the "_1.out" file to see why it > was created. Some further details on this may be gleaned from the pg_regress source code where it checks for an alternate file (_1 through _9) in case the main expected output file created a diff: https://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/test/regress/pg_regress.c;h=c894005dac06bc233896520c83c18e51af8ace9c;hb=HEAD#l1450 -- Daniel Gustafsson
