-# Copyright (C) 2020-2021 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>
# fork()-friendly key-value store. Will be used for making
use v5.10.1;
use parent qw(PublicInbox::Lock);
use File::Temp qw(tempdir);
-use DBI ();
+use DBI qw(:sql_types); # SQL_BLOB
use PublicInbox::Spawn;
use File::Path qw(rmtree make_path);
my $f = $self->{filename} = "$dir/$base.sqlite3";
$self->{lock_path} = $opt->{lock_path} // "$dir/$base.flock";
unless (-s $f) {
- PublicInbox::Spawn::nodatacow_dir($dir); # for journal/shm/wal
+ require PublicInbox::Syscall;
+ PublicInbox::Syscall::nodatacow_dir($dir); # for journal/shm/wal
open my $fh, '+>>', $f or die "failed to open $f: $!";
- PublicInbox::Spawn::nodatacow_fd(fileno($fh));
}
$self;
}
-sub index_values {
- my ($self) = @_;
- my $lock = $self->lock_for_scope_fast;
- $self->dbh($lock)->do('CREATE INDEX IF NOT EXISTS idx_v ON kv (v)');
-}
-
sub set_maybe {
my ($self, $key, $val, $lock) = @_;
$lock //= $self->lock_for_scope_fast;
- my $e = $self->{dbh}->prepare_cached(<<'')->execute($key, $val);
+ my $sth = $self->{dbh}->prepare_cached(<<'');
INSERT OR IGNORE INTO kv (k,v) VALUES (?, ?)
+ $sth->bind_param(1, $key, SQL_BLOB);
+ $sth->bind_param(2, $val, SQL_BLOB);
+ my $e = $sth->execute;
$e == 0 ? undef : $e;
}
} else {
@pfx = (); # [0] may've been undef
}
- map { $_->[0] } @{$self->dbh->selectall_arrayref($sql, undef, @pfx)};
-}
-
-sub delete_by_val {
- my ($self, $val, $lock) = @_;
- $lock //= $self->lock_for_scope_fast;
- $self->{dbh}->prepare_cached(<<'')->execute($val) + 0;
-DELETE FROM kv WHERE v = ?
-
-}
-
-sub replace_values {
- my ($self, $oldval, $newval, $lock) = @_;
- $lock //= $self->lock_for_scope_fast;
- $self->{dbh}->prepare_cached(<<'')->execute($newval, $oldval) + 0;
-UPDATE kv SET v = ? WHERE v = ?
-
+ my $sth = $self->dbh->prepare($sql);
+ if (@pfx) {
+ $sth->bind_param(1, $pfx[0], SQL_BLOB);
+ $sth->bind_param(2, $pfx[1]);
+ }
+ $sth->execute;
+ map { $_->[0] } @{$sth->fetchall_arrayref};
}
sub set {
my ($self, $key, $val) = @_;
if (defined $val) {
- my $e = $self->{dbh}->prepare_cached(<<'')->execute($key, $val);
+ my $sth = $self->{dbh}->prepare_cached(<<'');
INSERT OR REPLACE INTO kv (k,v) VALUES (?,?)
+ $sth->bind_param(1, $key, SQL_BLOB);
+ $sth->bind_param(2, $val, SQL_BLOB);
+ my $e = $sth->execute;
$e == 0 ? undef : $e;
} else {
- $self->{dbh}->prepare_cached(<<'')->execute($key);
+ my $sth = $self->{dbh}->prepare_cached(<<'');
DELETE FROM kv WHERE k = ?
+ $sth->bind_param(1, $key, SQL_BLOB);
}
}
my $sth = $self->{dbh}->prepare_cached(<<'', undef, 1);
SELECT v FROM kv WHERE k = ?
- $sth->execute($key);
+ $sth->bind_param(1, $key, SQL_BLOB);
+ $sth->execute;
$sth->fetchrow_array;
}
if (defined $newval) {
set($self, $key, $newval);
} else {
- $self->{dbh}->prepare_cached(<<'')->execute($key);
+ my $sth = $self->{dbh}->prepare_cached(<<'');
DELETE FROM kv WHERE k = ?
+ $sth->bind_param(1, $key, SQL_BLOB);
+ $sth->execute;
}
$oldval;
}