miscsearch: index UIDVALIDITY, use as startup cache

[public-inbox.git] / lib / PublicInbox / MiscIdx.pm

diff --git a/lib/PublicInbox/MiscIdx.pm b/lib/PublicInbox/MiscIdx.pm
index 64591d0516ddcfef135ee77c697f61b85012f583..a04dd1c532168fcf13627a17abfa2fae75b8ecb5 100644 (file)
--- a/lib/PublicInbox/MiscIdx.pm
+++ b/lib/PublicInbox/MiscIdx.pm
@@ -21,6 +21,7 @@ use Carp qw(croak);
 use File::Path ();
 use PublicInbox::MiscSearch;
 use PublicInbox::Config;
+my $json;
 
 sub new {
        my ($class, $eidx) = @_;
@@ -30,6 +31,7 @@ sub new {
        nodatacow_dir($mi_dir);
        my $flags = $PublicInbox::SearchIdx::DB_CREATE_OR_OPEN;
        $flags |= $PublicInbox::SearchIdx::DB_NO_SYNC if $eidx->{-no_fsync};
+       $json //= PublicInbox::Config::json();
        bless {
                mi_dir => $mi_dir,
                flags => $flags,
@@ -91,17 +93,27 @@ EOF
        $xdb->delete_document($_) for @drop; # just in case
 
        my $doc = $PublicInbox::Search::X{Document}->new;
+       term_generator($self)->set_document($doc);
 
-       # allow sorting by modified
+       # allow sorting by modified and uidvalidity (created at)
        add_val($doc, $PublicInbox::MiscSearch::MODIFIED, $ibx->modified);
+       add_val($doc, $PublicInbox::MiscSearch::UIDVALIDITY, $ibx->uidvalidity);
 
-       $doc->add_boolean_term('Q'.$eidx_key);
-       $doc->add_boolean_term('T'.'inbox');
-       term_generator($self)->set_document($doc);
+       $doc->add_boolean_term('Q'.$eidx_key); # uniQue id
+       $doc->add_boolean_term('T'.'inbox'); # Type
+
+       if (defined($ibx->{newsgroup}) && $ibx->nntp_usable) {
+               $doc->add_boolean_term('T'.'newsgroup'); # additional Type
+       }
+
+       # force reread from disk, {description} could be loaded from {misc}
+       delete $ibx->{description};
+       my $desc = $ibx->description;
 
        # description = S/Subject (or title)
        # address = A/Author
-       index_text($self, $ibx->description, 1, 'S');
+       index_text($self, $desc, 1, 'S');
+       index_text($self, $ibx->{name}, 1, 'XNAME');
        my %map = (
                address => 'A',
                listid => 'XLISTID',
@@ -113,10 +125,8 @@ EOF
                        index_text($self, $v, 1, $pfx);
                }
        }
-       index_text($self, $ibx->{name}, 1, 'XNAME');
        my $data = {};
        if (defined(my $max = $ibx->max_git_epoch)) { # v2
-               my $desc = $ibx->description;
                my $pfx = "/$ibx->{name}/git/";
                for my $epoch (0..$max) {
                        my $git = $ibx->git_epoch($epoch) or return;
@@ -130,7 +140,7 @@ EOF
                $ent->{git_dir} = $ibx->{inboxdir};
                $data->{"/$ibx->{name}"} = $ent;
        }
-       $doc->set_data(PublicInbox::Config::json()->encode($data));
+       $doc->set_data($json->encode($data));
        if (defined $docid) {
                $xdb->replace_document($docid, $doc);
        } else {