All of caelum's work so far (not reviewed)

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

diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index 4990e78..1ce71fc 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -1328,7 +1328,7 @@ sub insert {
 ## scalar refs, or at least, all the same type as the first set, the statement is
 ## only prepped once.
 sub insert_bulk {
-  my ($self, $source, $cols, $data) = @_;
+  my ($self, $source, $cols, $data, $sth_attr) = @_;
 
 # redispatch to insert_bulk method of storage we reblessed into, if necessary
   if (not $self->_driver_determined) {
@@ -1337,12 +1337,51 @@ sub insert_bulk {
   }
 
   my %colvalues;
-  my $table = $source->from;
   @colvalues{@$cols} = (0..$#$cols);
-  my ($sql, @bind) = $self->sql_maker->insert($table, \%colvalues);
+
+  # bind literal sql if it's the same in all slices
+  for my $i (0..$#$cols) {
+    my $first_val = $data->[0][$i];
+    next unless (Scalar::Util::reftype($first_val)||'') eq 'SCALAR';
+
+    $colvalues{ $cols->[$i] } = $first_val
+      if (grep {
+        (Scalar::Util::reftype($_)||'') eq 'SCALAR' &&
+        $$_ eq $$first_val
+      } map $data->[$_][$i], (1..$#$data)) == (@$data - 1);
+  }
+
+  my ($sql, $bind) = $self->_prep_for_execute (
+    'insert', undef, $source, [\%colvalues]
+  );
+  my @bind = @$bind;
+
+  my $empty_bind = 1 if (not @bind) &&
+    (grep { (Scalar::Util::reftype($_)||'') eq 'SCALAR' } values %colvalues)
+    == @$cols;
+
+  if ((not @bind) && (not $empty_bind)) {
+    croak 'Cannot insert_bulk without support for placeholders';
+  }
 
   $self->_query_start( $sql, @bind );
-  my $sth = $self->sth($sql);
+  my $sth = $self->sth($sql, 'insert', $sth_attr);
+
+  if ($empty_bind) {
+    # bind_param_array doesn't work if there are no binds
+    eval {
+      local $self->_get_dbh->{RaiseError} = 1;
+      local $self->_get_dbh->{PrintError} = 0;
+      foreach (0..$#$data) {
+        $sth->execute;
+        $sth->fetchall_arrayref;
+      }
+    };
+    my $exception = $@;
+    $sth->finish;
+    $self->throw_exception($exception) if $exception;
+    return;
+  }
 
 #  @bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args
 
@@ -1370,12 +1409,14 @@ sub insert_bulk {
     $sth->bind_param_array( $placeholder_index, [@data], $attributes );
     $placeholder_index++;
   }
+
   my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) };
-  if (my $err = $@) {
+  $sth->finish;
+  if (my $err = $@ || $sth->errstr) {
     my $i = 0;
     ++$i while $i <= $#$tuple_status && !ref $tuple_status->[$i];
 
-    $self->throw_exception($sth->errstr || "Unexpected populate error: $err")
+    $self->throw_exception("Unexpected populate error: $err")
       if ($i > $#$tuple_status);
 
     require Data::Dumper;
@@ -1386,13 +1427,12 @@ sub insert_bulk {
     local $Data::Dumper::Sortkeys = 1;
 
     $self->throw_exception(sprintf "%s for populate slice:\n%s",
-      $tuple_status->[$i][1],
+      ($tuple_status->[$i][1] || $err),
       Data::Dumper::Dumper(
         { map { $cols->[$_] => $data->[$i][$_] } (0 .. $#$cols) }
       ),
     );
   }
-  $self->throw_exception($sth->errstr) if !$rv;
 
   $self->_query_end( $sql, @bind );
   return (wantarray ? ($rv, $sth, @bind) : $rv);
@@ -2057,12 +2097,15 @@ Returns a L<DBI> sth (statement handle) for the supplied SQL.
 =cut
 
 sub _dbh_sth {
-  my ($self, $dbh, $sql) = @_;
+  my ($self, $dbh, $sql, $op, $sth_attr) = @_;
+# $op is ignored right now
+
+  $sth_attr ||= {};
 
   # 3 is the if_active parameter which avoids active sth re-use
   my $sth = $self->disable_sth_caching
-    ? $dbh->prepare($sql)
-    : $dbh->prepare_cached($sql, {}, 3);
+    ? $dbh->prepare($sql, $sth_attr)
+    : $dbh->prepare_cached($sql, $sth_attr, 3);
 
   # XXX You would think RaiseError would make this impossible,
   #  but apparently that's not true :(
@@ -2072,8 +2115,8 @@ sub _dbh_sth {
 }
 
 sub sth {
-  my ($self, $sql) = @_;
-  $self->dbh_do('_dbh_sth', $sql);  # retry over disconnects
+  my ($self, $sql, $op, $sth_attr) = @_;
+  $self->dbh_do('_dbh_sth', $sql, $op, $sth_attr);  # retry over disconnects
 }
 
 sub _dbh_columns_info_for {