Andrew Dunstan writes:
> On 2024-03-12 Tu 18:59, Tom Lane wrote:
>> I wonder whether perlcritic has sufficiently deep understanding of
>> Perl code that it could find these hazards.
> Yeah, that was my thought too. I'd start with ProhibitComplexRegexes.pm
> as a template.
Oooh. Taking a quick
On 2024-03-12 Tu 18:59, Tom Lane wrote:
Jeff Davis writes:
On Tue, 2024-03-12 at 18:53 +0100, Alvaro Herrera wrote:
I also tried grepping (for things
like qr{}, qr[], qr||, qr!!) and didn't find anything beyond what you
have ... but I only looked for the "qr" literal, not other ways to
get r
Jeff Davis writes:
> On Tue, 2024-03-12 at 18:53 +0100, Alvaro Herrera wrote:
>> I also tried grepping (for things
>> like qr{}, qr[], qr||, qr!!) and didn't find anything beyond what you
>> have ... but I only looked for the "qr" literal, not other ways to
>> get regexes.
> I think that's fine.
On Tue, 2024-03-12 at 18:53 +0100, Alvaro Herrera wrote:
> I suggest that pg_dump/t/002_pg_dump.pl could use a verification that
> the ->{regexp} thing is not empty.
I'm not sure how exactly to test forĀ an empty pattern. The problem is,
we don't really want to test for an empty pattern, because /(
On 2024-Mar-12, Jeff Davis wrote:
> Do not use perl empty patterns like // or qr// or s//.../, the behavior
> is too surprising for perl non-experts.
Yeah, nasty.
> There are a few such uses in
> our tests; patch attached. Unfortunately, there is no obvious way to
> automatically detect them so
Moved from discussion on -committers:
https://postgr.es/m/0ef325fa06e7a1605c4e119c4ecb637c67e5fb4e.ca...@j-davis.com
Summary:
Do not use perl empty patterns like // or qr// or s//.../, the behavior
is too surprising for perl non-experts. There are a few such uses in
our tests; patch attached. Un