support sub-second precision for TIMESTAMPs for Firebird over ODBC

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI / InterBase.pm

diff --git a/lib/DBIx/Class/Storage/DBI/InterBase.pm b/lib/DBIx/Class/Storage/DBI/InterBase.pm
index d2585ed..6779e47 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/InterBase.pm
+++ b/lib/DBIx/Class/Storage/DBI/InterBase.pm
@@ -2,9 +2,11 @@ package DBIx::Class::Storage::DBI::InterBase;
 
 use strict;
 use warnings;
-use base qw/DBIx::Class::Storage::DBI::InsertReturning/;
+use base qw/DBIx::Class::Storage::DBI/;
 use mro 'c3';
-use List::Util();
+use List::Util 'first';
+use Try::Tiny;
+use namespace::clean;
 
 =head1 NAME
 
@@ -13,8 +15,8 @@ DBIx::Class::Storage::DBI::InterBase - Driver for the Firebird RDBMS
 =head1 DESCRIPTION
 
 This class implements autoincrements for Firebird using C<RETURNING> as well as
-L<auto_nextval|DBIx::Class::ResultSource/auto_nextval> sets the limit dialect to
-C<FIRST X SKIP X> and provides L<DBIx::Class::InflateColumn::DateTime> support.
+L<auto_nextval|DBIx::Class::ResultSource/auto_nextval> and provides
+L<DBIx::Class::InflateColumn::DateTime> support.
 
 You need to use either the
 L<disable_sth_caching|DBIx::Class::Storage::DBI/disable_sth_caching> option or
@@ -29,21 +31,29 @@ L</connect_call_datetime_setup>.
 
 =cut
 
+# set default
+__PACKAGE__->_use_insert_returning (1);
+__PACKAGE__->sql_limit_dialect ('FirstSkip');
+__PACKAGE__->sql_quote_char ('"');
+__PACKAGE__->datetime_parser_type(
+  'DBIx::Class::Storage::DBI::InterBase::DateTime::Format'
+);
+
 sub _sequence_fetch {
   my ($self, $nextval, $sequence) = @_;
 
-  if ($nextval ne 'nextval') {
-    $self->throw_exception("Can only fetch 'nextval' for a sequence");
-  }
+  $self->throw_exception("Can only fetch 'nextval' for a sequence")
+    if $nextval !~ /^nextval$/i;
 
   $self->throw_exception('No sequence to fetch') unless $sequence;
-  
-  my ($val) = $self->_get_dbh->selectrow_array(
-'SELECT GEN_ID(' . $self->sql_maker->_quote($sequence) .
-', 1) FROM rdb$database');
+
+  my ($val) = $self->_get_dbh->selectrow_array(sprintf
+    'SELECT GEN_ID(%s, 1) FROM rdb$database',
+    $self->sql_maker->_quote($sequence)
+  );
 
   return $val;
-} 
+}
 
 sub _dbh_get_autoinc_seq {
   my ($self, $dbh, $source, $col) = @_;
@@ -76,7 +86,7 @@ EOF
       $generator = uc $generator unless $quoted;
 
       return $generator
-        if List::Util::first {
+        if first {
           $self->sql_maker->quote_char ? ($_ eq $col) : (uc($_) eq uc($col))
         } @trig_cols;
     }
@@ -85,34 +95,22 @@ EOF
   return undef;
 }
 
-# this sub stolen from DB2
-
-sub _sql_maker_opts {
-  my ( $self, $opts ) = @_;
-
-  if ( $opts ) {
-    $self->{_sql_maker_opts} = { %$opts };
-  }
-
-  return { limit_dialect => 'FirstSkip', %{$self->{_sql_maker_opts}||{}} };
-}
-
 sub _svp_begin {
-    my ($self, $name) = @_;
+  my ($self, $name) = @_;
 
-    $self->_get_dbh->do("SAVEPOINT $name");
+  $self->_dbh->do("SAVEPOINT $name");
 }
 
 sub _svp_release {
-    my ($self, $name) = @_;
+  my ($self, $name) = @_;
 
-    $self->_get_dbh->do("RELEASE SAVEPOINT $name");
+  $self->_dbh->do("RELEASE SAVEPOINT $name");
 }
 
 sub _svp_rollback {
-    my ($self, $name) = @_;
+  my ($self, $name) = @_;
 
-    $self->_get_dbh->do("ROLLBACK TO SAVEPOINT $name")
+  $self->_dbh->do("ROLLBACK TO SAVEPOINT $name")
 }
 
 sub _ping {
@@ -123,11 +121,12 @@ sub _ping {
   local $dbh->{RaiseError} = 1;
   local $dbh->{PrintError} = 0;
 
-  eval {
+  return try {
     $dbh->do('select 1 from rdb$database');
+    1;
+  } catch {
+    0;
   };
-
-  return $@ ? 0 : 1;
 }
 
 # We want dialect 3 for new features and quoting to work, DBD::InterBase uses
@@ -153,6 +152,16 @@ sub _set_sql_dialect {
   }
 }
 
+sub _get_server_version {
+  my $self = shift;
+
+  return $self->next::method(@_) if ref $self ne __PACKAGE__;
+
+  local $SIG{__WARN__} = sub {}; # silence warning due to bug in DBD::InterBase
+
+  return $self->next::method(@_);
+}
+
 =head2 connect_call_use_softcommit
 
 Used as:
@@ -205,8 +214,7 @@ Timestamp columns can be declared with either C<datetime> or C<timestamp>.
 
 You will need the L<DateTime::Format::Strptime> module for inflation to work.
 
-For L<DBIx::Class::Storage::DBI::ODBC::Firebird>, this is a noop and sub-second
-precision is not currently available.
+For L<DBIx::Class::Storage::DBI::ODBC::Firebird>, this is a noop.
 
 =cut
 
@@ -216,9 +224,6 @@ sub connect_call_datetime_setup {
   $self->_get_dbh->{ib_time_all} = 'ISO';
 }
 
-sub datetime_parser_type {
-  'DBIx::Class::Storage::DBI::InterBase::DateTime::Format'
-}
 
 package # hide from PAUSE
   DBIx::Class::Storage::DBI::InterBase::DateTime::Format;
@@ -290,11 +295,6 @@ C<last_insert_id> support by default only works for Firebird versions 2 or
 greater, L<auto_nextval|DBIx::Class::ResultSource/auto_nextval> however should
 work with earlier versions.
 
-=item *
-
-Sub-second precision for TIMESTAMPs is not currently available when using the
-L<ODBC|DBIx::Class::Storage::DBI::ODBC::Firebird> driver.
-
 =back
 
 =head1 AUTHOR
@@ -306,3 +306,4 @@ See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>.
 You may distribute this code under the same terms as Perl itself.
 
 =cut
+# vim:sts=2 sw=2: