[Bast-commits] r7679 - in DBIx-Class/0.08/branches/sybase_bulk_insert: lib/DBIx/Class/Storage lib/DBIx/Class/Storage/DBI t

caelum at dev.catalyst.perl.org caelum at dev.catalyst.perl.org
Fri Sep 18 09:10:17 GMT 2009


Author: caelum
Date: 2009-09-18 09:10:16 +0000 (Fri, 18 Sep 2009)
New Revision: 7679

Modified:
   DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI.pm
   DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm
   DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t
Log:
support for blobs in insert_bulk fallback

Modified: DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm	2009-09-18 07:21:31 UTC (rev 7678)
+++ DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI/Sybase.pm	2009-09-18 09:10:16 UTC (rev 7679)
@@ -520,8 +520,13 @@
   my $self = shift;
   my ($source, $cols, $data) = @_;
 
+  my $identity_col = List::Util::first
+    { $source->column_info($_)->{is_auto_increment} }
+    $source->columns;
+
   my $is_identity_insert = (List::Util::first
-    { $source->column_info ($_)->{is_auto_increment} } @{$cols}
+    { $source->column_info ($_)->{is_auto_increment} }
+    @{$cols}
   ) ? 1 : 0;
 
   my @source_columns = $source->columns;
@@ -541,16 +546,52 @@
   }
 
   if (not $use_bulk_api) {
-    if ($is_identity_insert) {
-       $self->_set_identity_insert ($source->name);
-    }
+    my $blob_cols = $self->_remove_blob_cols_array($source, $cols, $data);
 
+    my $dumb_last_insert_id =
+         $identity_col
+      && (not $is_identity_insert)
+      && ($self->_identity_method||'') ne '@@IDENTITY';
+
+    ($self, my ($guard)) = do {
+      if ($self->{transaction_depth} == 0 &&
+          ($blob_cols || $dumb_last_insert_id)) {
+        ($self->_writer_storage, $self->_writer_storage->txn_scope_guard);
+      }
+      else {
+        ($self, undef);
+      }
+    };
+
+    $self->_set_identity_insert ($source->name)   if $is_identity_insert;
     $self->next::method(@_);
+    $self->_unset_identity_insert ($source->name) if $is_identity_insert;
 
-    if ($is_identity_insert) {
-       $self->_unset_identity_insert ($source->name);
+    if ($blob_cols) {
+      if ($is_identity_insert) {
+        $self->_insert_blobs_array ($source, $blob_cols, $cols, $data);
+      }
+      else {
+        my @cols_with_identities = (@$cols, $identity_col);
+
+        ## calculate identities
+        # XXX This assumes identities always increase by 1, which may or may not
+        # be true.
+        my ($last_identity) =
+          $self->_dbh->selectrow_array (
+            $self->_fetch_identity_sql($source, $identity_col)
+          );
+        my @identities = (($last_identity - @$data + 1) .. $last_identity);
+
+        my @data_with_identities = map [@$_, shift @identities], @$data;
+
+        $self->_insert_blobs_array (
+          $source, $blob_cols, \@cols_with_identities, \@data_with_identities
+        );
+      }
     }
 
+    $guard->commit if $guard;
     return;
   }
 
@@ -575,9 +616,6 @@
     push @new_data, $new_datum;
   }
 
-  my $identity_col = List::Util::first
-    { $source->column_info($_)->{is_auto_increment} } @source_columns;
-
 # bcp identity index is 1-based
   my $identity_idx = exists $new_idx{$identity_col} ?
     $new_idx{$identity_col} + 1 : 0;
@@ -727,6 +765,33 @@
   return keys %blob_cols ? \%blob_cols : undef;
 }
 
+# same for insert_bulk
+sub _remove_blob_cols_array {
+  my ($self, $source, $cols, $data) = @_;
+
+  my @blob_cols;
+
+  for my $i (0..$#$cols) {
+    my $col = $cols->[$i];
+
+    if ($self->_is_lob_type($source->column_info($col)->{data_type})) {
+      for my $j (0..$#$data) {
+        my $blob_val = delete $data->[$j][$i];
+        if (not defined $blob_val) {
+          $data->[$j][$i] = \'NULL';
+        }
+        else {
+          $data->[$j][$i] = \"''";
+          $blob_cols[$j][$i] = $blob_val
+            unless $blob_val eq '';
+        }
+      }
+    }
+  }
+
+  return @blob_cols ? \@blob_cols : undef;
+}
+
 sub _update_blobs {
   my ($self, $source, $blob_cols, $where) = @_;
 
@@ -829,6 +894,26 @@
   }
 }
 
+sub _insert_blobs_array {
+  my ($self, $source, $blob_cols, $cols, $data) = @_;
+
+  for my $i (0..$#$data) {
+    my $datum = $data->[$i];
+
+    my %row;
+    @row{ @$cols } = @$datum;
+
+    my %blob_vals;
+    for my $j (0..$#$cols) {
+      if (exists $blob_cols->[$i][$j]) {
+        $blob_vals{ $cols->[$j] } = $blob_cols->[$i][$j];
+      }
+    }
+
+    $self->_insert_blobs ($source, \%blob_vals, \%row);
+  }
+}
+
 =head2 connect_call_datetime_setup
 
 Used as:

Modified: DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI.pm	2009-09-18 07:21:31 UTC (rev 7678)
+++ DBIx-Class/0.08/branches/sybase_bulk_insert/lib/DBIx/Class/Storage/DBI.pm	2009-09-18 09:10:16 UTC (rev 7679)
@@ -1337,18 +1337,52 @@
   }
 
   my %colvalues;
-  my $table = $source->from;
   @colvalues{@$cols} = (0..$#$cols);
 
+  # 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
-    or croak 'Cannot insert_bulk without support for placeholders';
+  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, '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
 
   ## This must be an arrayref, else nothing works!
@@ -1375,6 +1409,7 @@
     $sth->bind_param_array( $placeholder_index, [@data], $attributes );
     $placeholder_index++;
   }
+
   my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) };
   $sth->finish;
   if (my $err = $@ || $sth->errstr) {

Modified: DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t
===================================================================
--- DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t	2009-09-18 07:21:31 UTC (rev 7678)
+++ DBIx-Class/0.08/branches/sybase_bulk_insert/t/746sybase.t	2009-09-18 09:10:16 UTC (rev 7679)
@@ -245,31 +245,36 @@
   }
 
 # make sure insert_bulk works a second time on the same connection
-  lives_ok {
-    $schema->resultset('Artist')->populate([
-      {
-        name => 'bulk artist 1',
-        charfield => 'bar',
-      },
-      {
-        name => 'bulk artist 2',
-        charfield => 'bar',
-      },
-      {
-        name => 'bulk artist 3',
-        charfield => 'bar',
-      },
-    ]);
-  } 'insert_bulk via populate called a second time';
+  SKIP: {
+    skip 'insert_bulk not supported', 3
+      unless $schema->storage->_can_insert_bulk;
 
-  is $bulk_rs->count, 3,
-    'correct number inserted via insert_bulk';
+    lives_ok {
+      $schema->resultset('Artist')->populate([
+        {
+          name => 'bulk artist 1',
+          charfield => 'bar',
+        },
+        {
+          name => 'bulk artist 2',
+          charfield => 'bar',
+        },
+        {
+          name => 'bulk artist 3',
+          charfield => 'bar',
+        },
+      ]);
+    } 'insert_bulk via populate called a second time';
 
-  is ((grep $_->charfield eq 'bar', $bulk_rs->all), 3,
-    'column set correctly via insert_bulk');
+    is $bulk_rs->count, 3,
+      'correct number inserted via insert_bulk';
 
-  $bulk_rs->delete;
+    is ((grep $_->charfield eq 'bar', $bulk_rs->all), 3,
+      'column set correctly via insert_bulk');
 
+    $bulk_rs->delete;
+  }
+
 # test invalid insert_bulk (missing required column)
 #
 # There should be a rollback, reconnect and the next valid insert_bulk should
@@ -280,9 +285,10 @@
         charfield => 'foo',
       }
     ]);
-  } qr/no value or default|does not allow null/i,
+  } qr/no value or default|does not allow null|placeholders/i,
 # The second pattern is the error from fallback to regular array insert on
 # incompatible charset.
+# The third is for ::NoBindVars with no syb_has_blk.
   'insert_bulk with missing required column throws error';
 
 # now test insert_bulk with IDENTITY_INSERT
@@ -342,7 +348,7 @@
         CREATE TABLE bindtype_test 
         (
           id    INT   IDENTITY PRIMARY KEY,
-          bytea INT   NULL,
+          bytea IMAGE NULL,
           blob  IMAGE NULL,
           clob  TEXT  NULL
         )




More information about the Bast-commits mailing list