Re: buildfarm's typedefs list has gone completely nutso

On 7/18/19 12:17 PM, Daniel Gustafsson wrote:
>> On 18 Jul 2019, at 17:42, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>     return
>>       if (exists $oconf->{dow}
>>         && grep { $_ eq $wday } @{ $oconf->{dow} });
>>
>> I'm the world's worst Perl programmer, but isn't that backwards?
>> It seems like it will return undef if today matches any entry
>> of the dow list, making dow a blacklist of weekdays *not* to run
>> the step on.
> As it’s in a scalar context, grep will return the number of times for which the
> condition is true against the list entries, so if $oconf->{dow} doesn’t have
> duplicates it will return 1 if $wday is found on the list.  This will in turn
> make the condition true as the exists expression must be true for grep to at
> all execute.
>


Yes, it's a bug. Will fix.


cheers


andrew

-- 
Andrew Dunstan                https://www.2ndQuadrant.com
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