Alexander Lakhin writes:
> select * from test_regex(repeat('(x)', 32), 'a', 'c');
> leads to
> ==00:00:00:05.736 2605072== Invalid write of size 4
Indeed, silly oversight on my part. Fixed, thanks!
regards, tom lane
Hello Tom,
04.01.2021 08:47, Tom Lane wrote:
> Hm. There isn't anything about test_regex()'s API that I would want
> to expose to end users ;-) ... it's just designed to replicate the
> test API that Henry Spencer designed a couple decades ago, which IMO
> was not too clean even by the standards o
On Mon, Jan 4, 2021, at 04:49, Tom Lane wrote:
>Over the holiday break I've been fooling with some regex performance
>improvements.
Cool! I've also been fooling with regex performance over the years myself, not
in the PostgreSQL code, but in general.
More specifically, to first DFA-minimize the
Mark Dilger writes:
> Have you thought about whether If it weren't in test/modules, it might be
> nice to expose test_regex from SQL with a slightly different interface that
> doesn't throw on regex compilation error? Maybe something in contrib? It
> might be useful to some users to validate
> On Jan 3, 2021, at 7:49 PM, Tom Lane wrote:
>
> Over the holiday break I've been fooling with some regex performance
> improvements. I don't have anything ready to show yet in that line,
> but I was feeling the need for more-thorough test coverage, so I set
> to work on something that's bee
