-# Copyright (C) 2021 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 maintaining synchronization between lei/store <=> Maildir|MH|IMAP|JMAP
use strict;
use v5.10.1;
use parent qw(PublicInbox::Lock);
-use DBI;
+use DBI qw(:sql_types); # SQL_BLOB
use PublicInbox::ContentHash qw(git_sha);
use Carp ();
my $f = $self->{filename};
my $creat = $rw && !-s $f;
if ($creat) {
- require PublicInbox::Spawn;
+ require PublicInbox::Syscall;
open my $fh, '+>>', $f or Carp::croak "open($f): $!";
- PublicInbox::Spawn::nodatacow_fd(fileno($fh));
+ PublicInbox::Syscall::nodatacow_fh($fh);
}
my $dbh = DBI->connect("dbi:SQLite:dbname=$f",'','', {
AutoCommit => 1,
sub lms_pause {
my ($self) = @_;
$self->{fmap} = {};
- delete $self->{dbh};
+ my $dbh = delete $self->{dbh};
+ eval { $dbh->do('PRAGMA optimize') } if $dbh;
}
sub create_tables {
}
+# used to fixup pre-1.7.0 folders
+sub update_fid ($$$) {
+ my ($dbh, $fid, $loc) = @_;
+ my $sth = $dbh->prepare(<<'');
+UPDATE folders SET loc = ? WHERE fid = ?
+
+ $sth->bind_param(1, $loc, SQL_BLOB);
+ $sth->bind_param(2, $fid);
+ $sth->execute;
+}
+
+sub get_fid ($$$) {
+ my ($sth, $folder, $dbh) = @_; # $dbh is set iff RW
+ $sth->bind_param(1, $folder, SQL_BLOB);
+ $sth->execute;
+ my ($fid) = $sth->fetchrow_array;
+ if (defined $fid) { # for downgrade+upgrade (1.8 -> 1.7 -> 1.8)
+ $dbh->do('DELETE FROM folders WHERE loc = ? AND fid != ?',
+ undef, $folder, $fid) if defined($dbh);
+ } else {
+ $sth->execute($folder); # fixup old stuff
+ ($fid) = $sth->fetchrow_array;
+ update_fid($dbh, $fid, $folder) if defined($fid) && $dbh;
+ }
+ $fid;
+}
+
sub fid_for {
my ($self, $folder, $rw) = @_;
my $dbh = $self->{dbh} //= dbh_new($self, $rw);
- my $sel = 'SELECT fid FROM folders WHERE loc = ? LIMIT 1';
- my ($fid) = $dbh->selectrow_array($sel, undef, $folder);
- return $fid if defined $fid;
+ my $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT fid FROM folders WHERE loc = ? LIMIT 1
+
+ my $rw_dbh = $rw ? $dbh : undef;
+ my $fid = get_fid($sth, $folder, $rw_dbh);
+ return $fid if defined($fid);
# caller had trailing slash (LeiToMail)
if ($folder =~ s!\A((?:maildir|mh):.*?)/+\z!$1!i) {
- ($fid) = $dbh->selectrow_array($sel, undef, $folder);
+ $fid = get_fid($sth, $folder, $rw_dbh);
if (defined $fid) {
- $dbh->do(<<EOM, undef, $folder, $fid) if $rw;
-UPDATE folders SET loc = ? WHERE fid = ?
-EOM
+ update_fid($dbh, $fid, $folder) if $rw;
return $fid;
}
# sometimes we stored trailing slash..
} elsif ($folder =~ m!\A(?:maildir|mh):!i) {
- ($fid) = $dbh->selectrow_array($sel, undef, "$folder/");
+ $fid = get_fid($sth, $folder, $rw_dbh);
if (defined $fid) {
- $dbh->do(<<EOM, undef, $folder, $fid) if $rw;
-UPDATE folders SET loc = ? WHERE fid = ?
-EOM
+ update_fid($dbh, $fid, $folder) if $rw;
return $fid;
}
} elsif ($rw && $folder =~ m!\Aimaps?://!i) {
$dbh->do('DELETE FROM blob2name WHERE fid = ?', undef, $fid);
$dbh->do('DELETE FROM blob2num WHERE fid = ?', undef, $fid);
- my $sth = $dbh->prepare('INSERT INTO folders (fid, loc) VALUES (?, ?)');
- $sth->execute($fid, $folder);
+ $sth = $dbh->prepare('INSERT INTO folders (fid, loc) VALUES (?, ?)');
+ $sth->bind_param(1, $fid);
+ $sth->bind_param(2, $folder, SQL_BLOB);
+ $sth->execute;
$fid;
}
my ($self, $folder, $oidbin, $id, $newbn) = @_;
my $lk = $self->lock_for_scope;
my $fid = $self->{fmap}->{$folder} //= fid_for($self, $folder, 1);
+ $self->{dbh}->begin_work;
my $sth = $self->{dbh}->prepare_cached(<<'');
UPDATE blob2name SET name = ? WHERE fid = ? AND oidbin = ? AND name = ?
- my $nr = $sth->execute($newbn, $fid, $oidbin, $$id);
- if ($nr == 0) { # may race with a clear_src, ensure new value exists
+ # eval since unique constraint may fail due to race
+ my $nr = eval { $sth->execute($newbn, $fid, $oidbin, $$id) };
+ if (!defined($nr) || $nr == 0) { # $nr may be `0E0'
+ # may race with a clear_src, ensure new value exists
$sth = $self->{dbh}->prepare_cached(<<'');
INSERT OR IGNORE INTO blob2name (oidbin, fid, name) VALUES (?, ?, ?)
$sth->execute($oidbin, $fid, $newbn);
}
+ $self->{dbh}->commit;
}
# read-only, iterates every oidbin + UID or name for a given folder
# returns a list of folders used for completion
sub folders {
- my ($self, $pfx) = @_;
- my $dbh = $self->{dbh} //= dbh_new($self);
+ my ($self, @pfx) = @_;
my $sql = 'SELECT loc FROM folders';
- my @pfx;
- if (defined $pfx) {
- $sql .= ' WHERE loc LIKE ? ESCAPE ?';
- @pfx = ($pfx, '\\');
- $pfx[0] =~ s/([%_\\])/\\$1/g; # glob chars
- $pfx[0] .= '%';
+ my $re;
+ if (defined($pfx[0])) {
+ $sql .= ' WHERE loc REGEXP ?'; # DBD::SQLite uses perlre
+ $re = !!$pfx[1] ? '.*' : '';
+ $re .= quotemeta($pfx[0]);
+ $re .= '.*';
}
- map { $_->[0] } @{$dbh->selectall_arrayref($sql, undef, @pfx)};
+ my $sth = ($self->{dbh} //= dbh_new($self))->prepare($sql);
+ $sth->bind_param(1, $re) if defined($re);
+ $sth->execute;
+ map { $_->[0] } @{$sth->fetchall_arrayref};
}
sub local_blob {
next unless -s $fh;
local $/;
my $raw = <$fh>;
- if ($vrfy && git_sha(1, \$raw)->hexdigest ne $oidhex) {
- warn "$f changed $oidhex\n";
- next;
+ if ($vrfy) {
+ my $got = git_sha(1, \$raw)->hexdigest;
+ if ($got ne $oidhex) {
+ warn "$f changed $oidhex => $got\n";
+ next;
+ }
}
return \$raw;
}
# using `$res' instead of `$orig'
EOM
} else {
- $lei->err($res) if defined $res;
+ warn($res, "\n") if defined $res;
push @no, $orig;
}
} elsif (m!\A(?:nntps?|s?news)://!i) {
# using `$res' instead of `$orig'
EOM
} else {
- $lei->err($res) if defined $res;
+ warn($res, "\n") if defined $res;
push @no, $orig;
}
} else {