# This writes to the search index.
package PublicInbox::SearchIdx;
use strict;
-use warnings;
-use base qw(PublicInbox::Search PublicInbox::Lock);
+use v5.10.1;
+use parent qw(PublicInbox::Search PublicInbox::Lock);
use PublicInbox::Eml;
use PublicInbox::InboxWritable;
-use PublicInbox::MID qw/mid_clean mid_mime mids_for_index/;
+use PublicInbox::MID qw(mid_mime mids_for_index mids);
use PublicInbox::MsgIter;
use Carp qw(croak);
use POSIX qw(strftime);
$smsg->{num};
}
-# returns begin and end PostingIterator
-sub find_doc_ids {
- my ($self, $termval) = @_;
- my $db = $self->{xdb};
-
- ($db->postlist_begin($termval), $db->postlist_end($termval));
-}
-
-# v1 only
-sub batch_do {
- my ($self, $termval, $cb) = @_;
- my $batch_size = 1000; # don't let @ids grow too large to avoid OOM
- while (1) {
- my ($head, $tail) = $self->find_doc_ids($termval);
- return if $head == $tail;
- my @ids;
- for (; $head != $tail && @ids < $batch_size; $head++) {
- push @ids, $head->get_docid;
+sub xdb_remove {
+ my ($self, $oid, @removed) = @_;
+ my $xdb = $self->{xdb} or return;
+ for my $num (@removed) {
+ my $doc = eval { $xdb->get_document($num) };
+ unless ($doc) {
+ warn "E: $@\n" if $@;
+ warn "E: #$num $oid missing in Xapian\n";
+ next;
}
- $cb->(\@ids);
- }
-}
-
-# v1 only, where $mid is unique
-sub remove_message {
- my ($self, $mid) = @_;
- $mid = mid_clean($mid);
-
- if (my $over = $self->{over}) {
- my $nr = eval { $over->remove_oid(undef, $mid) };
- if ($@) {
- warn "failed to remove <$mid> from overview: $@\n";
- } elsif ($nr == 0) {
- warn "<$mid> missing for removal from overview\n";
+ my $smsg = bless {}, 'PublicInbox::Smsg';
+ $smsg->load_expand($doc);
+ my $blob = $smsg->{blob} // '(unset)';
+ if ($blob eq $oid) {
+ $xdb->delete_document($num);
+ } else {
+ warn "E: #$num $oid != $blob in Xapian\n";
}
}
- return unless need_xapian($self);
- my $db = $self->{xdb};
- my $nr = 0;
- eval {
- batch_do($self, 'Q' . $mid, sub {
- my ($ids) = @_;
- $db->delete_document($_) for @$ids;
- $nr += scalar @$ids;
- });
- };
- if ($@) {
- warn "failed to remove <$mid> from Xapian: $@\n";
- } elsif ($nr == 0) {
- warn "<$mid> missing for removal from Xapian\n";
- }
}
-# MID is a hint in V2
sub remove_by_oid {
- my ($self, $oid, $mid) = @_;
-
- $self->{over}->remove_oid($oid, $mid) if $self->{over};
-
- return unless need_xapian($self);
- my $db = $self->{xdb};
-
- # XXX careful, we cannot use batch_do here since we conditionally
- # delete documents based on other factors, so we cannot call
- # find_doc_ids twice.
- my ($head, $tail) = $self->find_doc_ids('Q' . $mid);
- return if $head == $tail;
-
- # there is only ONE element in @delete unless we
- # have bugs in our v2writable deduplication check
- my @delete;
- for (; $head != $tail; $head++) {
- my $docid = $head->get_docid;
- my $doc = $db->get_document($docid);
- my $smsg = bless { mid => $mid }, 'PublicInbox::Smsg';
- $smsg->load_expand($doc);
- if ($smsg->{blob} eq $oid) {
- push(@delete, $docid);
- }
- }
- $db->delete_document($_) foreach @delete;
- scalar(@delete);
+ my ($self, $oid, $num) = @_;
+ die "BUG: remove_by_oid is v2-only\n" if $self->{over};
+ $self->begin_txn_lazy;
+ xdb_remove($self, $oid, $num) if need_xapian($self);
}
sub index_git_blob_id {
}
}
-sub unindex_blob {
- my ($self, $mime) = @_;
- my $mid = eval { mid_mime($mime) };
- $self->remove_message($mid) if defined $mid;
+# v1 only
+sub unindex_eml {
+ my ($self, $oid, $eml) = @_;
+ my $mids = mids($eml);
+ my $nr = 0;
+ my %tmp;
+ for my $mid (@$mids) {
+ my @removed = eval { $self->{over}->remove_oid($oid, $mid) };
+ if ($@) {
+ warn "E: failed to remove <$mid> from overview: $@\n";
+ } else {
+ $nr += scalar @removed;
+ $tmp{$_}++ for @removed;
+ }
+ }
+ if (!$nr) {
+ $mids = join('> <', @$mids);
+ warn "W: <$mids> missing for removal from overview\n";
+ }
+ while (my ($num, $nr) = each %tmp) {
+ warn "BUG: $num appears >1 times ($nr) for $oid\n" if $nr != 1;
+ }
+ xdb_remove($self, $oid, keys %tmp) if need_xapian($self);
}
sub index_mm {
sub unindex_both { # git->cat_async callback
my ($bref, $oid, $type, $size, $self) = @_;
my $eml = PublicInbox::Eml->new($bref);
- unindex_blob($self, $eml);
+ unindex_eml($self, $oid, $eml);
unindex_mm($self, $eml);
}
sub index_sync {
my ($self, $opts) = @_;
delete $self->{lock_path} if $opts->{-skip_lock};
- $self->{-inbox}->with_umask(sub { $self->_index_sync($opts) })
+ $self->{-inbox}->with_umask(\&_index_sync, $self, $opts);
}
sub too_big ($$$) {
}
sub remote_remove {
- my ($self, $oid, $mid) = @_;
+ my ($self, $oid, $num) = @_;
if (my $w = $self->{w}) {
# triggers remove_by_oid in a shard
- print $w "D $oid $mid\n" or die "failed to write remove $!";
+ print $w "D $oid $num\n" or die "failed to write remove $!";
} else {
- $self->begin_txn_lazy;
- $self->remove_by_oid($oid, $mid);
+ $self->remove_by_oid($oid, $num);
}
}
-sub begin_txn_lazy {
+sub _begin_txn {
my ($self) = @_;
- return if $self->{txn};
+ my $xdb = $self->{xdb} || $self->_xdb_acquire;
+ $self->{over}->begin_lazy if $self->{over};
+ $xdb->begin_transaction if $xdb;
+ $self->{txn} = 1;
+ $xdb;
+}
- $self->{-inbox}->with_umask(sub {
- my $xdb = $self->{xdb} || $self->_xdb_acquire;
- $self->{over}->begin_lazy if $self->{over};
- $xdb->begin_transaction if $xdb;
- $self->{txn} = 1;
- $xdb;
- });
+sub begin_txn_lazy {
+ my ($self) = @_;
+ $self->{-inbox}->with_umask(\&_begin_txn, $self) if !$self->{txn};
}
# store 'indexlevel=medium' in v2 shard=0 and v1 (only one shard)
}
}
+sub _commit_txn {
+ my ($self) = @_;
+ if (my $xdb = $self->{xdb}) {
+ set_indexlevel($self);
+ $xdb->commit_transaction;
+ }
+ $self->{over}->commit_lazy if $self->{over};
+}
+
sub commit_txn_lazy {
my ($self) = @_;
- delete $self->{txn} or return;
- $self->{-inbox}->with_umask(sub {
- if (my $xdb = $self->{xdb}) {
- set_indexlevel($self);
- $xdb->commit_transaction;
- }
- $self->{over}->commit_lazy if $self->{over};
- });
+ delete($self->{txn}) and
+ $self->{-inbox}->with_umask(\&_commit_txn, $self);
}
sub worker_done {