use v5.10.1;
use parent qw(PublicInbox::Search PublicInbox::Lock Exporter);
use PublicInbox::Eml;
+use PublicInbox::Search qw(xap_terms);
use PublicInbox::InboxWritable;
use PublicInbox::MID qw(mids_for_index mids);
use PublicInbox::MsgIter;
use PublicInbox::Git qw(git_unquote);
use PublicInbox::MsgTime qw(msg_timestamp msg_datestamp);
use PublicInbox::Address;
+use Config;
our @EXPORT_OK = qw(log2stack is_ancestor check_size prepare_stack
index_text term_generator add_val is_bad_blob);
my $X = \%PublicInbox::Search::X;
our ($DB_CREATE_OR_OPEN, $DB_OPEN);
our $DB_NO_SYNC = 0;
-our $BATCH_BYTES = $ENV{XAPIAN_FLUSH_THRESHOLD} ? 0x7fffffff : 1_000_000;
+our $BATCH_BYTES = $ENV{XAPIAN_FLUSH_THRESHOLD} ? 0x7fffffff :
+ # assume a typical 64-bit system has 8x more RAM than a
+ # typical 32-bit system:
+ (($Config{ptrsize} >= 8 ? 8192 : 1024) * 1024);
+
use constant DEBUG => !!$ENV{DEBUG};
my $xapianlevels = qr/\A(?:full|medium)\z/;
my $hex = '[a-f0-9]';
my $OID = $hex .'{40,}';
+my @VMD_MAP = (kw => 'K', L => 'L');
our $INDEXLEVELS = qr/\A(?:full|medium|basic)\z/;
sub new {
sub idx_release {
my ($self, $wake) = @_;
if (need_xapian($self)) {
- my $xdb = delete $self->{xdb} or croak 'not acquired';
+ my $xdb = delete $self->{xdb} or croak '{xdb} not acquired';
$xdb->close;
}
$self->lock_release($wake) if $self->{creat};
sub load_xapian_writable () {
return 1 if $X->{WritableDatabase};
- PublicInbox::Search::load_xapian() or return;
+ PublicInbox::Search::load_xapian() or die "failed to load Xapian: $@\n";
my $xap = $PublicInbox::Search::Xap;
for (qw(Document TermGenerator WritableDatabase)) {
$X->{$_} = $xap.'::'.$_;
sub add_xapian ($$$$) {
my ($self, $eml, $smsg, $mids) = @_;
begin_txn_lazy($self);
+ my $merge_vmd = delete $smsg->{-merge_vmd};
my $doc = eml2doc($self, $eml, $smsg, $mids);
+ if (my $old = $merge_vmd ? _get_doc($self, $smsg->{num}) : undef) {
+ my @x = @VMD_MAP;
+ while (my ($field, $pfx) = splice(@x, 0, 2)) {
+ for my $term (xap_terms($pfx, $old)) {
+ $doc->add_boolean_term($pfx.$term);
+ }
+ }
+ }
$self->{xdb}->replace_document($smsg->{num}, $doc);
}
begin_txn_lazy($self);
my $doc = _get_doc($self, $docid) or return;
term_generator($self)->set_document($doc);
+
+ # '.' is special for lei_store
$doc->add_boolean_term('O'.$eidx_key) if $eidx_key ne '.';
+
index_list_id($self, $doc, $eml);
$self->{xdb}->replace_document($docid, $doc);
}
$self->{xdb}->replace_document($docid, $doc);
}
-sub set_keywords {
- my ($self, $docid, @kw) = @_;
+sub set_vmd {
+ my ($self, $docid, $vmd) = @_;
begin_txn_lazy($self);
my $doc = _get_doc($self, $docid) or return;
- my %keep = map { $_ => 1 } @kw;
- my %add = %keep;
- my @rm;
- my $end = $doc->termlist_end;
- for (my $cur = $doc->termlist_begin; $cur != $end; $cur++) {
- $cur->skip_to('K');
- last if $cur == $end;
- my $kw = $cur->get_termname;
- $kw =~ s/\AK//s or next;
- $keep{$kw} ? delete($add{$kw}) : push(@rm, $kw);
- }
- return unless (scalar(@rm) + scalar(keys %add));
- $doc->remove_term('K'.$_) for @rm;
- $doc->add_boolean_term('K'.$_) for (keys %add);
+ my ($end, @rm, @add);
+ my @x = @VMD_MAP;
+ while (my ($field, $pfx) = splice(@x, 0, 2)) {
+ my $set = $vmd->{$field} // next;
+ my %keep = map { $_ => 1 } @$set;
+ my %add = %keep;
+ $end //= $doc->termlist_end;
+ for (my $cur = $doc->termlist_begin; $cur != $end; $cur++) {
+ $cur->skip_to($pfx);
+ last if $cur == $end;
+ my $v = $cur->get_termname;
+ $v =~ s/\A$pfx//s or next;
+ $keep{$v} ? delete($add{$v}) : push(@rm, $pfx.$v);
+ }
+ push(@add, map { $pfx.$_ } keys %add);
+ }
+ return unless scalar(@rm) || scalar(@add);
+ $doc->remove_term($_) for @rm;
+ $doc->add_boolean_term($_) for @add;
$self->{xdb}->replace_document($docid, $doc);
}
-sub add_keywords {
- my ($self, $docid, @kw) = @_;
+sub apply_vmd_mod ($$) {
+ my ($doc, $vmd_mod) = @_;
+ my $updated = 0;
+ my @x = @VMD_MAP;
+ while (my ($field, $pfx) = splice(@x, 0, 2)) {
+ # field: "L" or "kw"
+ for my $val (@{$vmd_mod->{"-$field"} // []}) {
+ eval {
+ $doc->remove_term($pfx . $val);
+ ++$updated;
+ };
+ }
+ for my $val (@{$vmd_mod->{"+$field"} // []}) {
+ $doc->add_boolean_term($pfx . $val);
+ ++$updated;
+ }
+ }
+ $updated;
+}
+
+sub add_vmd {
+ my ($self, $docid, $vmd) = @_;
begin_txn_lazy($self);
my $doc = _get_doc($self, $docid) or return;
- $doc->add_boolean_term('K'.$_) for @kw;
- $self->{xdb}->replace_document($docid, $doc);
+ my @x = @VMD_MAP;
+ my $updated = 0;
+ while (my ($field, $pfx) = splice(@x, 0, 2)) {
+ my $add = $vmd->{$field} // next;
+ $doc->add_boolean_term($pfx . $_) for @$add;
+ $updated += scalar(@$add);
+ }
+ $updated += apply_vmd_mod($doc, $vmd);
+ $self->{xdb}->replace_document($docid, $doc) if $updated;
}
-sub remove_keywords {
- my ($self, $docid, @kw) = @_;
+sub remove_vmd {
+ my ($self, $docid, $vmd) = @_;
begin_txn_lazy($self);
my $doc = _get_doc($self, $docid) or return;
my $replace;
- eval {
- $doc->remove_term('K'.$_);
- $replace = 1
- } for @kw;
+ my @x = @VMD_MAP;
+ while (my ($field, $pfx) = splice(@x, 0, 2)) {
+ my $rm = $vmd->{$field} // next;
+ for (@$rm) {
+ eval {
+ $doc->remove_term($pfx . $_);
+ $replace = 1;
+ };
+ }
+ }
$self->{xdb}->replace_document($docid, $doc) if $replace;
}
+sub update_vmd {
+ my ($self, $docid, $vmd_mod) = @_;
+ begin_txn_lazy($self);
+ my $doc = _get_doc($self, $docid) or return;
+ my $updated = apply_vmd_mod($doc, $vmd_mod);
+ $self->{xdb}->replace_document($docid, $doc) if $updated;
+ $updated;
+}
+
sub xdb_remove {
my ($self, @docids) = @_;
$self->begin_txn_lazy;
${$sync->{max}} = $self->{batch_bytes};
$self->{mm}->{dbh}->commit;
- my $xdb = need_xapian($self) ? $self->{xdb} : undef;
+ my $xdb = $self->{xdb};
if ($newest && $xdb) {
my $cur = $xdb->get_metadata('last_commit');
if (need_update($self, $cur, $newest)) {