use warnings;
use strict;
-use vars qw($VERSION $DEBUG %EXPORT_TAGS @EXPORT_OK @EXPORT);
-use base qw(Exporter);
-BEGIN{
- ($VERSION) = q$Revision$ =~ /^Revision:\s+([^\s+])/;
- $DEBUG = 0 unless defined $DEBUG;
+use base qw(DBIx::Class);
- @EXPORT = ();
- %EXPORT_TAGS = (select => [qw(select_one)],
- execute => [qw(prepare_execute)]
- );
- @EXPORT_OK = ();
- Exporter::export_ok_tags(keys %EXPORT_TAGS);
- $EXPORT_TAGS{all} = [@EXPORT_OK];
-}
+use Debbugs::Common qw(open_compressed_file);
+use File::Find qw();
=head2 select
=item select_one
- select_one($dbh,$sql,@bind_vals)
+ $schema->select_one($sql,@bind_vals)
Returns the first column from the first row returned from a select statement
=cut
sub select_one {
- my ($dbh,$sql,@bind_vals) = @_;
- my $sth = $dbh->
- prepare_cached($sql,
- {dbi_dummy => __FILE__.__LINE__ })
- or die "Unable to prepare statement: $sql";
- $sth->execute(@bind_vals) or
- die "Unable to select one: ".$dbh->errstr();
+ my ($self,$sql,@bind_vals) = @_;
+ my $sth = $self->prepare_execute($sql,@bind_vals);
my $results = $sth->fetchall_arrayref([0]);
- $sth->finish();
return (ref($results) and ref($results->[0]))?$results->[0][0]:undef;
}
=item prepare_execute
- prepare_execute($dbh,$sql,@bind_vals)
+ $schema->prepare_execute($sql,@bind_vals)
Prepares and executes a statement
=cut
sub prepare_execute {
- my ($dbh,$sql,@bind_vals) = @_;
- my $sth = $dbh->
- prepare_cached($sql,
+ my ($self,$sql,@bind_vals) = @_;
+ $self->storage->
+ dbh_do(sub {
+ my ($s,$dbh) = @_;
+ my $sth = $dbh->
+ prepare_cached($sql,
{dbi_dummy => __FILE__.__LINE__ })
- or die "Unable to prepare statement: $sql";
- $sth->execute(@bind_vals) or
- die "Unable to execute statement: ".$dbh->errstr();
- $sth->finish();
+ or die "Unable to prepare statement: $sql";
+ $sth->execute(@bind_vals) or
+ die "Unable to execute statement: ".$dbh->errstr();
+ return $sth;
+ });
}
+=item sql_file_in_txn
+
+C<sql_file_in_txn();>
+
+
+
+=cut
+sub sql_file_in_txn {
+ my ($self,$fn) = @_;
+ my $fh = open_compressed_file($fn) or
+ die "Unable to open $fn for reading: $!";
+ local $/;
+ my $sql = <$fh>;
+ defined($sql) or die "Unable to read from file: $!";
+ $self->prepare_execute($sql);
+}
+
+
+
+=back
+
+=head2 Database Upgrade and Version
+
+=over
+
+=item db_version
+
+C<db_version();>
+
+Returns the current database version (integer)
+
+=cut
+sub db_version {
+ my ($self) = @_;
+ return $self->select_one('SELECT db_version()');
+}
+
+=item upgrades_to_run
+
+C<upgrades_to_run();>
+
+Returns the set of upgrades which will have to be run (in order) to upgrade the
+database to the current version
+
+=cut
+
+sub upgrades_to_run {
+ my ($self,$deployment_dir) = @_;
+
+ my $current_version = $self->db_version();
+
+ my @files;
+ File::Find::find(sub {
+ if (-f $_ and /^schema_(\d+)_to_(\d+)\.pl$/) {
+ push @files, {file => $File::Find::name,
+ from => $1,
+ to => $2,
+ };
+ }
+ },
+ $deployment_dir
+ );
+ # sort the upgrades
+ use Data::Dumper;
+ print STDERR Dumper(@files);
+ @files = sort {$a->{from} <=> $b->{from}}
+ # strip out upgrades which don't need to be run
+ grep {$_->{from} >= $current_version } @files;
+
+ print STDERR Dumper(@files);
+ return @files;
+}
+
+
+
=back