-# Copyright (C) 2018-2020 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# for XOVER, OVER in NNTP, and feeds/homepage/threads in PSGI
}
}
+sub ibx_id {
+ my ($self, $eidx_key) = @_;
+ id_for($self, 'inboxes', 'ibx_id', eidx_key => $eidx_key);
+}
+
sub sid {
my ($self, $path) = @_;
return unless defined $path && $path ne '';
foreach (@$nums) {
$sth->execute($_->[0]);
- my $smsg = $sth->fetchrow_hashref;
+ # $cb may delete rows and invalidate nums
+ my $smsg = $sth->fetchrow_hashref // next;
$smsg = PublicInbox::Over::load_from_row($smsg);
$cb->($self, $smsg, @arg) or return;
}
$tid;
}
-sub parse_references ($$$) {
- my ($smsg, $hdr, $mids) = @_;
- my $refs = references($hdr);
- push(@$refs, @$mids) if scalar(@$mids) > 1;
- return $refs if scalar(@$refs) == 0;
-
- # prevent circular references here:
- my %seen = ( $smsg->{mid} => 1 );
- my @keep;
- foreach my $ref (@$refs) {
- if (length($ref) > PublicInbox::MID::MAX_MID_SIZE) {
- warn "References: <$ref> too long, ignoring\n";
- next;
- }
- push(@keep, $ref) unless $seen{$ref}++;
- }
- $smsg->{references} = '<'.join('> <', @keep).'>' if @keep;
- \@keep;
-}
-
-# normalize subjects so they are suitable as pathnames for URLs
-# XXX: consider for removal
+# normalize subjects somewhat, they used to be ASCII-only but now
+# we use \w for UTF-8 support. We may still drop it entirely and
+# rely on Xapian for subject matches...
sub subject_path ($) {
my ($subj) = @_;
$subj = subject_normalized($subj);
- $subj =~ s![^a-zA-Z0-9_\.~/\-]+!_!g;
+ $subj =~ s![^\w\.~/\-]+!_!g;
lc($subj);
}
my ($self, $eml, $smsg) = @_;
$smsg->{lines} = $eml->body_raw =~ tr!\n!\n!;
my $mids = mids_for_index($eml);
- my $refs = parse_references($smsg, $eml, $mids);
+ my $refs = $smsg->parse_references($eml, $mids);
+ $mids->[0] //= do {
+ $smsg->{mid} //= '';
+ $eml->{-lei_fake_mid};
+ };
my $subj = $smsg->{subject};
my $xpath;
if ($subj ne '') {
my ($self) = @_;
delete $self->{txn} or return;
$self->{dbh}->commit;
+ eval { $self->{dbh}->do('PRAGMA optimize') };
}
sub begin_lazy {
sub create {
my ($self) = @_;
- unless (-r $self->{filename}) {
+ my $fn = $self->{filename} // do {
+ croak('BUG: no {filename}') unless $self->{dbh};
+ return;
+ };
+ unless (-r $fn) {
require File::Path;
- require File::Basename;
- File::Path::mkpath(File::Basename::dirname($self->{filename}));
+ my ($dir) = ($fn =~ m!(.*?/)[^/]+\z!);
+ File::Path::mkpath($dir);
}
# create the DB:
PublicInbox::Over::dbh($self);
next;
}
$pr->(<<EOM) if $pr;
-I: ghost $r->{num} <$mid> THREADID=$r->{tid} culled
+# ghost $r->{num} <$mid> THREADID=$r->{tid} culled
EOM
}
delete_by_num($self, $r->{num});
}
- $pr->("I: rethread culled $total ghosts\n") if $pr && $total;
+ $pr->("# rethread culled $total ghosts\n") if $pr && $total;
}
# used for cross-inbox search
my ($self) = @_;
$self->{-eidx_prep} //= do {
my $dbh = $self->dbh;
- $dbh->do(<<"");
+ $dbh->do(<<'');
INSERT OR IGNORE INTO counter (key) VALUES ('eidx_docid')
$dbh->do(<<'');
$dbh->do('CREATE INDEX IF NOT EXISTS idx_docid ON xref3 (docid)');
# performance critical, this is not UNIQUE since we may need to
- # tolerate some old bugs from indexing mirrors
- $dbh->do('CREATE INDEX IF NOT EXISTS idx_nntp ON '.
- 'xref3 (oidbin,xnum,ibx_id)');
+ # tolerate some old bugs from indexing mirrors. n.b. we used
+ # to index oidbin here, but leaving it out speeds up reindexing
+ # and "XHDR Xref <$MSGID>" isn't any slower w/o oidbin
+ $dbh->do('CREATE INDEX IF NOT EXISTS idx_reindex ON '.
+ 'xref3 (xnum,ibx_id)');
+
+ $dbh->do('CREATE INDEX IF NOT EXISTS idx_oidbin ON xref3 (oidbin)');
$dbh->do(<<'');
CREATE TABLE IF NOT EXISTS eidx_meta (
val VARCHAR(255) NOT NULL
)
- $dbh;
+ # A queue of current docids which need reindexing.
+ # eidxq persists across aborted -extindex invocations
+ # Currently used for "-extindex --reindex" for Xapian
+ # data, but may be used in more places down the line.
+ $dbh->do(<<'');
+CREATE TABLE IF NOT EXISTS eidxq (docid INTEGER PRIMARY KEY NOT NULL)
+
+ 1;
};
}
sub add_xref3 {
my ($self, $docid, $xnum, $oidhex, $eidx_key) = @_;
begin_lazy($self);
- my $ibx_id = id_for($self, 'inboxes', 'ibx_id', eidx_key => $eidx_key);
+ my $ibx_id = ibx_id($self, $eidx_key);
my $oidbin = pack('H*', $oidhex);
my $sth = $self->{dbh}->prepare_cached(<<'');
INSERT OR IGNORE INTO xref3 (docid, ibx_id, xnum, oidbin) VALUES (?, ?, ?, ?)
$sth->execute;
}
-# returns remaining reference count to $docid
-sub remove_xref3 {
- my ($self, $docid, $oidhex, $eidx_key, $rm_eidx_info) = @_;
- begin_lazy($self);
- my $oidbin = pack('H*', $oidhex);
- my ($sth, $ibx_id);
- if (defined $eidx_key) {
- $ibx_id = id_for($self, 'inboxes', 'ibx_id',
- eidx_key => $eidx_key);
- $sth = $self->{dbh}->prepare_cached(<<'');
-DELETE FROM xref3 WHERE docid = ? AND ibx_id = ? AND oidbin = ?
-
- $sth->bind_param(1, $docid);
- $sth->bind_param(2, $ibx_id);
- $sth->bind_param(3, $oidbin, SQL_BLOB);
- } else {
- $sth = $self->{dbh}->prepare_cached(<<'');
-DELETE FROM xref3 WHERE docid = ? AND oidbin = ?
-
- $sth->bind_param(1, $docid);
- $sth->bind_param(2, $oidbin, SQL_BLOB);
- }
- $sth->execute;
- $sth = $self->{dbh}->prepare_cached(<<'', undef, 1);
-SELECT COUNT(*) FROM xref3 WHERE docid = ?
-
- $sth->execute($docid);
- my $nr = $sth->fetchrow_array;
- if ($nr == 0) {
- delete_by_num($self, $docid);
- } elsif (defined($ibx_id) && $rm_eidx_info) {
- # if deduplication rules in ContentHash change, it's
- # possible a docid can have multiple rows with the
- # same ibx_id. This governs whether or not we call
- # ->shard_remove_eidx_info in ExtSearchIdx.
- $sth = $self->{dbh}->prepare_cached(<<'', undef, 1);
-SELECT COUNT(*) FROM xref3 WHERE docid = ? AND ibx_id = ?
-
- $sth->execute($docid, $ibx_id);
- my $count = $sth->fetchrow_array;
- $$rm_eidx_info = ($count == 0);
- }
- $nr;
-}
-
# for when an xref3 goes missing, this does NOT update {ts}
sub update_blob {
my ($self, $smsg, $oidhex) = @_;
$sth->execute;
}
+sub merge_xref3 { # used for "-extindex --dedupe"
+ my ($self, $keep_docid, $drop_docid, $oidbin) = @_;
+ my $sth = $self->{dbh}->prepare_cached(<<'');
+UPDATE OR IGNORE xref3 SET docid = ? WHERE docid = ? AND oidbin = ?
+
+ $sth->bind_param(1, $keep_docid);
+ $sth->bind_param(2, $drop_docid);
+ $sth->bind_param(3, $oidbin, SQL_BLOB);
+ $sth->execute;
+
+ # drop anything that conflicted
+ $sth = $self->{dbh}->prepare_cached(<<'');
+DELETE FROM xref3 WHERE docid = ? AND oidbin = ?
+
+ $sth->bind_param(1, $drop_docid);
+ $sth->bind_param(2, $oidbin, SQL_BLOB);
+ $sth->execute;
+}
+
+sub eidxq_add {
+ my ($self, $docid) = @_;
+ $self->dbh->prepare_cached(<<'')->execute($docid);
+INSERT OR IGNORE INTO eidxq (docid) VALUES (?)
+
+}
+
+sub eidxq_del {
+ my ($self, $docid) = @_;
+ $self->dbh->prepare_cached(<<'')->execute($docid);
+DELETE FROM eidxq WHERE docid = ?
+
+}
+
+# returns true if we're vivifying a message for lei/store that was
+# previously external-metadata only
+sub vivify_xvmd {
+ my ($self, $smsg) = @_;
+ my @docids = $self->blob_exists($smsg->{blob});
+ my @vivify_xvmd;
+ for my $id (@docids) {
+ if (my $cur = $self->get_art($id)) {
+ # already indexed if bytes > 0
+ return if $cur->{bytes} > 0;
+ push @vivify_xvmd, $id;
+ } else {
+ warn "W: $smsg->{blob} #$id gone (bug?)\n";
+ }
+ }
+ $smsg->{-vivify_xvmd} = \@vivify_xvmd;
+}
+
+sub fork_ok {
+ return 1 if $DBD::SQLite::sqlite_version >= 3008003;
+ my ($opt) = @_;
+ my @j = split(/,/, $opt->{jobs} // '');
+ state $warned;
+ grep { $_ > 1 } @j and $warned //= warn('DBD::SQLite version is ',
+ $DBD::SQLite::sqlite_version,
+ ", need >= 3008003 (3.8.3) for --jobs > 1\n");
+ $opt->{jobs} = '1,1';
+ undef;
+}
+
1;