use constant DT => 2; # Date: YYYYMMDDHHMMSS
use PublicInbox::SearchMsg;
-use PublicInbox::MIME;
-use PublicInbox::MID qw/id_compress/;
use PublicInbox::Over;
my $QP_FLAGS;
+our %X = map { $_ => 0 } qw(BoolWeight Database Enquire
+ NumberValueRangeProcessor QueryParser Stem);
+our $Xap; # 'Search::Xapian' or 'Xapian'
+my $ENQ_ASCENDING;
+
sub load_xapian () {
- $QP_FLAGS ||= eval {
- require Search::Xapian;
- Search::Xapian->import(qw(:standard));
+ return 1 if defined $Xap;
+ for my $x (qw(Search::Xapian Xapian)) {
+ eval "require $x";
+ next if $@;
+
+ $x->import(qw(:standard));
+ $Xap = $x;
+ $X{$_} = $Xap.'::'.$_ for (keys %X);
+
+ # ENQ_ASCENDING doesn't seem exported by SWIG Xapian.pm,
+ # so lets hope this part of the ABI is stable because it's
+ # just an integer:
+ $ENQ_ASCENDING = $x eq 'Xapian' ?
+ 1 : Search::Xapian::ENQ_ASCENDING();
+ # for SearchMsg:
+ *PublicInbox::SearchMsg::sortable_unserialise =
+ $Xap.'::sortable_unserialise';
# n.b. FLAG_PURE_NOT is expensive not suitable for a public
# website as it could become a denial-of-service vector
# FLAG_PHRASE also seems to cause performance problems chert
# (and probably earlier Xapian DBs). glass seems fine...
# TODO: make this an option, maybe?
# or make indexlevel=medium as default
- FLAG_PHRASE()|FLAG_BOOLEAN()|FLAG_LOVEHATE()|FLAG_WILDCARD();
- };
-};
+ $QP_FLAGS = FLAG_PHRASE() | FLAG_BOOLEAN() | FLAG_LOVEHATE() |
+ FLAG_WILDCARD();
+ return 1;
+ }
+ undef;
+}
# This is English-only, everything else is non-standard and may be confused as
# a prefix common in patch emails
if ($self->{version} >= 2) {
foreach my $shard (<$dir/*>) {
-d $shard && $shard =~ m!/[0-9]+\z! or next;
- my $sub = Search::Xapian::Database->new($shard);
+ my $sub = $X{Database}->new($shard);
if ($xdb) {
$xdb->add_database($sub);
} else {
}
} else {
$slow_phrase = -f "$dir/iamchert";
- $xdb = Search::Xapian::Database->new($dir);
+ $xdb = $X{Database}->new($dir);
}
$$qpf |= FLAG_PHRASE() unless $slow_phrase;
$xdb;
my $self = bless {
inboxdir => $ibx->{inboxdir},
altid => $ibx->{altid},
- version => $ibx->{version} // 1,
+ version => $ibx->version,
}, $class;
my $dir = xdir($self, 1);
$self->{over_ro} = PublicInbox::Over->new("$dir/over.sqlite3");
}
sub retry_reopen {
- my ($self, $cb) = @_;
+ my ($self, $cb, $arg) = @_;
for my $i (1..10) {
if (wantarray) {
my @ret;
- eval { @ret = $cb->() };
+ eval { @ret = $cb->($arg) };
return @ret unless $@;
} else {
my $ret;
- eval { $ret = $cb->() };
+ eval { $ret = $cb->($arg) };
return $ret unless $@;
}
# Exception: The revision being read has been discarded -
# you should call Xapian::Database::reopen()
- if (ref($@) eq 'Search::Xapian::DatabaseModifiedError') {
+ if (ref($@) =~ /\bDatabaseModifiedError\b/) {
warn "reopen try #$i on $@\n";
reopen($self);
} else {
sub _do_enquire {
my ($self, $query, $opts) = @_;
- retry_reopen($self, sub { _enquire_once($self, $query, $opts) });
+ retry_reopen($self, \&_enquire_once, [ $self, $query, $opts ]);
}
-sub _enquire_once {
- my ($self, $query, $opts) = @_;
+sub _enquire_once { # retry_reopen callback
+ my ($self, $query, $opts) = @{$_[0]};
my $xdb = xdb($self);
- my $enquire = Search::Xapian::Enquire->new($xdb);
+ my $enquire = $X{Enquire}->new($xdb);
$enquire->set_query($query);
$opts ||= {};
my $desc = !$opts->{asc};
if (($opts->{mset} || 0) == 2) {
- $enquire->set_docid_order(Search::Xapian::ENQ_ASCENDING());
- $enquire->set_weighting_scheme(Search::Xapian::BoolWeight->new);
+ $enquire->set_docid_order($ENQ_ASCENDING);
+ $enquire->set_weighting_scheme($X{BoolWeight}->new);
} elsif ($opts->{relevance}) {
$enquire->set_sort_by_relevance_then_value(TS, $desc);
} else {
my $limit = $opts->{limit} || 50;
my $mset = $enquire->get_mset($offset, $limit);
return $mset if $opts->{mset};
- my @msgs = map {
- PublicInbox::SearchMsg->load_doc($_->get_document);
- } $mset->items;
+ my @msgs = map { PublicInbox::SearchMsg::from_mitem($_) } $mset->items;
return \@msgs unless wantarray;
($mset->get_matches_estimated, \@msgs)
}
# read-write
-sub stemmer { Search::Xapian::Stem->new($LANG) }
+sub stemmer { $X{Stem}->new($LANG) }
# read-only
sub qp {
return $qp if $qp;
my $xdb = xdb($self);
# new parser
- $qp = Search::Xapian::QueryParser->new;
+ $qp = $X{QueryParser}->new;
$qp->set_default_op(OP_AND());
$qp->set_database($xdb);
$qp->set_stemmer($self->stemmer);
$qp->set_stemming_strategy(STEM_SOME());
$qp->set_max_wildcard_expansion(100);
- $qp->add_valuerangeprocessor(
- Search::Xapian::NumberValueRangeProcessor->new(YYYYMMDD, 'd:'));
- $qp->add_valuerangeprocessor(
- Search::Xapian::NumberValueRangeProcessor->new(DT, 'dt:'));
+ my $nvrp = $X{NumberValueRangeProcessor};
+ $qp->add_valuerangeprocessor($nvrp->new(YYYYMMDD, 'd:'));
+ $qp->add_valuerangeprocessor($nvrp->new(DT, 'dt:'));
while (my ($name, $prefix) = each %bool_pfx_external) {
$qp->add_boolean_prefix($name, $_) foreach split(/ /, $prefix);
$self->{query_parser} = $qp;
}
-sub lookup_article {
- my ($self, $num) = @_;
- $self->{over_ro}->get_art($num);
-}
-
sub help {
my ($self) = @_;
$self->qp; # parse altids