From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=ALL_TRUSTED,BAYES_00 shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id 187331FC0C for ; Fri, 27 Nov 2020 09:52:55 +0000 (UTC) From: Eric Wong To: meta@public-inbox.org Subject: [PATCH 03/12] mm: min/max: return 0 instead of undef Date: Fri, 27 Nov 2020 09:52:45 +0000 Message-Id: <20201127095254.21624-4-e@80x24.org> In-Reply-To: <20201127095254.21624-1-e@80x24.org> References: <20201127095254.21624-1-e@80x24.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: This simplifies callers and allows empty newsgroups to be represented (the WWW UI may be insufficient there, too). --- lib/PublicInbox/IMAPD.pm | 2 +- lib/PublicInbox/Msgmap.pm | 7 +++---- lib/PublicInbox/NNTP.pm | 4 +--- lib/PublicInbox/V2Writable.pm | 4 ++-- t/msgmap.t | 2 +- 5 files changed, 8 insertions(+), 11 deletions(-) diff --git a/lib/PublicInbox/IMAPD.pm b/lib/PublicInbox/IMAPD.pm index bb705136..366b6922 100644 --- a/lib/PublicInbox/IMAPD.pm +++ b/lib/PublicInbox/IMAPD.pm @@ -45,7 +45,7 @@ sub imapd_refresh_ibx { # pi_config->each_inbox cb eval { $ibx->uidvalidity }; my $mm = delete($ibx->{mm}) or return; defined($ibx->{uidvalidity}) or return; - PublicInbox::IMAP::ensure_slices_exist($imapd, $ibx, $mm->max // 0); + PublicInbox::IMAP::ensure_slices_exist($imapd, $ibx, $mm->max); # preload to avoid fragmentation: $ibx->description; diff --git a/lib/PublicInbox/Msgmap.pm b/lib/PublicInbox/Msgmap.pm index f15875e3..a8c874af 100644 --- a/lib/PublicInbox/Msgmap.pm +++ b/lib/PublicInbox/Msgmap.pm @@ -36,8 +36,7 @@ sub new_file { create_tables($dbh); $self->created_at(time) unless $self->created_at; - my $max = $self->max // 0; - $self->num_highwater($max); + $self->num_highwater(max($self)); $dbh->commit; } $self; @@ -144,7 +143,7 @@ sub max { my $sth = $_[0]->{dbh}->prepare_cached('SELECT MAX(num) FROM msgmap', undef, 1); $sth->execute; - $sth->fetchrow_array; + $sth->fetchrow_array // 0; } sub minmax { @@ -153,7 +152,7 @@ sub minmax { my $sth = $_[0]->{dbh}->prepare_cached('SELECT MIN(num) FROM msgmap', undef, 1); $sth->execute; - ($sth->fetchrow_array, max($_[0])); + ($sth->fetchrow_array // 0, max($_[0])); } sub mid_delete { diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm index 2197d758..b641bd23 100644 --- a/lib/PublicInbox/NNTP.pm +++ b/lib/PublicInbox/NNTP.pm @@ -244,7 +244,7 @@ sub parse_time ($$;$) { sub group_line ($$) { my ($self, $ng) = @_; my ($min, $max) = $ng->mm->minmax; - more($self, "$ng->{newsgroup} $max $min n") if defined $min && defined $max; + more($self, "$ng->{newsgroup} $max $min n"); } sub cmd_newgroups ($$$;$$) { @@ -343,8 +343,6 @@ sub cmd_group ($$) { $self->{ng} = $ng; my ($min, $max) = $ng->mm->minmax; - $min ||= 0; - $max ||= 0; $self->{article} = $min; my $est_size = $max - $min; "211 $est_size $min $max $group"; diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm index afba0220..7bef1c89 100644 --- a/lib/PublicInbox/V2Writable.pm +++ b/lib/PublicInbox/V2Writable.pm @@ -1367,8 +1367,8 @@ sub index_sync { # xapian_only works incrementally w/o --reindex if ($seq && !$opt->{reindex}) { - $art_beg = $sync->{mm_tmp}->max; - $art_beg++ if defined($art_beg); + $art_beg = $sync->{mm_tmp}->max || -1; + $art_beg++; } } # work forwards through history diff --git a/t/msgmap.t b/t/msgmap.t index 437e106e..2d31f1de 100644 --- a/t/msgmap.t +++ b/t/msgmap.t @@ -12,7 +12,7 @@ my $d = PublicInbox::Msgmap->new($tmpdir, 1); my %mid2num; my %num2mid; my @mids = qw(a@b c@d e@f g@h aa@bb aa@cc); -is_deeply([$d->minmax], [undef,undef], "empty min max on new DB"); +is_deeply([$d->minmax], [0,0], "zero min max on new DB"); foreach my $mid (@mids) { my $n = $d->mid_insert($mid);