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Create contrib/bool_plperl to provide a bool transform for PL/Perl[U].

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plperl's default handling of bool arguments or results is not terribly
satisfactory, since Perl doesn't consider the string 'f' to be false.
Ideally we'd just fix that, but the backwards-compatibility hazard
would be substantial.  Instead, build a TRANSFORM module that can
be optionally applied to provide saner semantics.

Perhaps usefully, this is also about the minimum possible skeletal
example of a plperl transform module; so it might be a better starting
point for user-written transform modules than hstore_plperl or
jsonb_plperl.

Ivan Panchenko

Discussion: https://postgr.es/m/1583013317.881182688@f390.i.mail.ru
This commit is contained in:
Tom Lane
2020-03-06 17:11:23 -05:00
parent a6525588b7
commit 36058a3c55
14 changed files with 502 additions and 4 deletions
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5
src/tools/msvc/Mkvcbuild.pm
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@ -43,6 +43,7 @@ my $contrib_extrasource = {
'seg' => [ 'contrib/seg/segscan.l', 'contrib/seg/segparse.y' ],
};
my @contrib_excludes = (
'bool_plperl',
'commit_ts', 'hstore_plperl',
'hstore_plpython', 'intagg',
'jsonb_plperl', 'jsonb_plpython',
@ -763,6 +764,9 @@ sub mkvcbuild
}
# Add transform modules dependent on plperl
my $bool_plperl = AddTransformModule(
'bool_plperl', 'contrib/bool_plperl',
'plperl', 'src/pl/plperl');
my $hstore_plperl = AddTransformModule(
'hstore_plperl', 'contrib/hstore_plperl',
'plperl', 'src/pl/plperl',
@ -773,6 +777,7 @@ sub mkvcbuild
foreach my $f (@perl_embed_ccflags)
{
$bool_plperl->AddDefine($f);
$hstore_plperl->AddDefine($f);
$jsonb_plperl->AddDefine($f);
}