[Bast-commits] r6502 - in DBIx-Class/0.08/branches/sybase: . lib/DBIx/Class lib/DBIx/Class/Storage

caelum at dev.catalyst.perl.org caelum at dev.catalyst.perl.org
Thu Jun 4 15:08:13 GMT 2009


Author: caelum
Date: 2009-06-04 15:08:12 +0000 (Thu, 04 Jun 2009)
New Revision: 6502

Modified:
   DBIx-Class/0.08/branches/sybase/
   DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm
   DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/Storage/DBI.pm
Log:
 r5334 at hlagh (orig r6501):  ribasushi | 2009-06-04 06:38:21 -0700
 Really delegate counting to the storage class - now we have either a grouped count or a regular one



Property changes on: DBIx-Class/0.08/branches/sybase
___________________________________________________________________
Name: svk:merge
   - 168d5346-440b-0410-b799-f706be625ff1:/DBIx-Class-current:2207
462d4d0c-b505-0410-bf8e-ce8f877b3390:/local/bast/DBIx-Class:3159
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/branches/resultsetcolumn_custom_columns:5160
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/branches/sqla_1.50_compat:5414
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/trunk:5969
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class:32260
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class-CDBICompat:54993
9c88509d-e914-0410-b01c-b9530614cbfe:/vendor/DBIx-Class:31122
ab17426e-7cd3-4704-a2a2-80b7c0a611bb:/local/dbic_column_attr:10946
ab17426e-7cd3-4704-a2a2-80b7c0a611bb:/local/dbic_trunk:11142
bd5ac9a7-f185-4d95-9186-dbb8b392a572:/local/os/bast/DBIx-Class/0.08/trunk:2798
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/belongs_to_null_col_fix:5244
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/cdbicompat_integration:4160
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/column_attr:5074
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/complex_join_rels:4589
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/count_distinct:6218
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/diamond_relationships:6310
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/file_column:3920
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/fix-update-and-delete-as_query:6162
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/joined_count:6323
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/multi_stuff:5565
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/on_disconnect_do:3694
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/oracle-tweaks:6222
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/oracle_sequence:4173
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/order_by_refactor:6475
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/parser_fk_index:4485
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/prefetch:5699
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/replication_dedux:4600
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/rt_bug_41083:5437
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/savepoints:4223
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/sqla_1.50_compat:5321
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/storage-ms-access:4142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/storage-tweaks:6262
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/subclassed_rsset:5930
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/subquery:5617
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/sybase_mssql:6125
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/top_limit_altfix:6429
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/versioned_enhancements:4125
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/versioning:4578
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/views:5585
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/trunk:6498
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-C3:318
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-current:2222
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-joins:173
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-resultset:570
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/datetime:1716
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_compat:1855
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_unique_query_fixes:2142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/inflate:1988
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/re_refactor_bugfix:1944
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/reorganize_tests:1827
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset-new-refactor:1766
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_2_electric_boogaloo:2175
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_cleanup:2102
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/sqlt_tests_refactor:2043
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/trunk/DBIx-Class:3606
fe160bb6-dc1c-0410-9f2b-d64a711b54a5:/local/DBIC-trunk-0.08:10510
   + 168d5346-440b-0410-b799-f706be625ff1:/DBIx-Class-current:2207
462d4d0c-b505-0410-bf8e-ce8f877b3390:/local/bast/DBIx-Class:3159
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/branches/resultsetcolumn_custom_columns:5160
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/branches/sqla_1.50_compat:5414
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/trunk:5969
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class:32260
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class-CDBICompat:54993
9c88509d-e914-0410-b01c-b9530614cbfe:/vendor/DBIx-Class:31122
ab17426e-7cd3-4704-a2a2-80b7c0a611bb:/local/dbic_column_attr:10946
ab17426e-7cd3-4704-a2a2-80b7c0a611bb:/local/dbic_trunk:11142
bd5ac9a7-f185-4d95-9186-dbb8b392a572:/local/os/bast/DBIx-Class/0.08/trunk:2798
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/belongs_to_null_col_fix:5244
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/cdbicompat_integration:4160
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/column_attr:5074
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/complex_join_rels:4589
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/count_distinct:6218
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/diamond_relationships:6310
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/file_column:3920
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/fix-update-and-delete-as_query:6162
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/joined_count:6323
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/multi_stuff:5565
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/on_disconnect_do:3694
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/oracle-tweaks:6222
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/oracle_sequence:4173
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/order_by_refactor:6475
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/parser_fk_index:4485
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/prefetch:5699
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/replication_dedux:4600
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/rt_bug_41083:5437
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/savepoints:4223
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/sqla_1.50_compat:5321
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/storage-ms-access:4142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/storage-tweaks:6262
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/subclassed_rsset:5930
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/subquery:5617
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/sybase_mssql:6125
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/top_limit_altfix:6429
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/versioned_enhancements:4125
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/versioning:4578
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/views:5585
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/trunk:6501
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-C3:318
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-current:2222
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-joins:173
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-resultset:570
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/datetime:1716
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_compat:1855
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_unique_query_fixes:2142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/inflate:1988
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/re_refactor_bugfix:1944
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/reorganize_tests:1827
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset-new-refactor:1766
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_2_electric_boogaloo:2175
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_cleanup:2102
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/sqlt_tests_refactor:2043
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/trunk/DBIx-Class:3606
fe160bb6-dc1c-0410-9f2b-d64a711b54a5:/local/DBIC-trunk-0.08:10510

Modified: DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm	2009-06-04 13:38:21 UTC (rev 6501)
+++ DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm	2009-06-04 15:08:12 UTC (rev 6502)
@@ -1155,76 +1155,17 @@
   return $self->search(@_)->count if @_ and defined $_[0];
   return scalar @{ $self->get_cache } if $self->get_cache;
 
-  my @grouped_subq_attrs = qw/prefetch collapse distinct group_by having/;
-  my @subq_attrs = ();
-  
-  my $attrs = $self->_resolved_attrs;
-  # if we are not paged - we are simply asking for a limit
-  if (not $attrs->{page} and not $attrs->{software_limit}) {
-    push @subq_attrs, qw/rows offset/;
-  }
+  my $meth = $self->_has_attr (qw/prefetch collapse distinct group_by having/) 
+    ? 'count_grouped'
+    : 'count'
+  ;
 
-  my $need_subq = $self->_has_attr (@subq_attrs);
-  my $need_group_subq = $self->_has_attr (@grouped_subq_attrs);
-
-  return ($need_subq || $need_group_subq)
-    ? $self->_count_subq ($need_group_subq)
-    : $self->_count_simple
-}
-
-sub _count_subq {
-  my ($self, $add_group_by) = @_;
-
   my $attrs = $self->_resolved_attrs_copy;
   my $rsrc = $self->result_source;
 
-  # copy for the subquery, we need to do some adjustments to it too
-  my $sub_attrs = { %$attrs };
-
-  # these can not go in the subquery, and there is no point of ordering it
-  delete $sub_attrs->{$_} for qw/prefetch collapse select +select as +as columns +columns order_by/;
-
-  # if needed force a group_by and the same set of columns (most databases require this)
-  if ($add_group_by) {
-
-    # if we prefetch, we group_by primary keys only as this is what we would get out of the rs via ->next/->all
-    # simply deleting group_by suffices, as the code below will re-fill it
-    # Note: we check $attrs, as $sub_attrs has collapse deleted
-    if (ref $attrs->{collapse} and keys %{$attrs->{collapse}} ) { 
-      delete $sub_attrs->{group_by};
-    }
-
-    $sub_attrs->{columns} = $sub_attrs->{group_by} ||= [ map { "$attrs->{alias}.$_" } ($rsrc->primary_columns) ];
-  }
-
-  $attrs->{from} = [{
-    count_subq => (ref $self)->new ($rsrc, $sub_attrs )->as_query
-  }];
-
-  # the subquery replaces this
-  delete $attrs->{$_} for qw/where bind prefetch collapse distinct group_by having having_bind/;
-
-  return $rsrc->storage->count ($rsrc, $attrs);
+  return $rsrc->storage->$meth ($rsrc, $attrs);
 }
 
-sub _count_simple {
-  my $self = shift;
-
-  my $rsrc = $self->result_source;
-
-  # the attrs supplied here are getting modified, do not reuse below
-  my $count = $rsrc->storage->count ($rsrc, $self->_resolved_attrs_copy);
-  return 0 unless $count;
-
-  # need to take offset from resolved attrs
-  my $attrs = $self->_resolved_attrs;
-
-  $count -= $attrs->{offset} if $attrs->{offset};
-  $count = $attrs->{rows} if $attrs->{rows} and $attrs->{rows} < $count;
-  $count = 0 if ($count < 0);
-  return $count;
-}
-
 sub _bool {
   return 1;
 }

Modified: DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/Storage/DBI.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/Storage/DBI.pm	2009-06-04 13:38:21 UTC (rev 6501)
+++ DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/Storage/DBI.pm	2009-06-04 15:08:12 UTC (rev 6502)
@@ -1250,7 +1250,9 @@
   my %attrs = %$attrs;
 
   # take off any column specs, any pagers, record_filter is cdbi, and no point of ordering a count
-  delete $attrs{$_} for (qw/columns +columns select +select as +as rows offset page pager order_by record_filter/);
+  delete @attrs{qw/
+    columns +columns select +select as +as rows offset page pager order_by
+    record_filter/)};
 
   return \%attrs;
 }
@@ -1266,9 +1268,43 @@
   my $tmp_rs = $source->resultset_class->new($source, $new_attrs);
   my ($count) = $tmp_rs->cursor->next;
 
+  # if the offset/rows attributes are still present, we did not use
+  # a subquery, so we need to make the calculations in software
+  $count -= $attrs->{offset} if $attrs->{offset};
+  $count = $attrs->{rows} if $attrs->{rows} and $attrs->{rows} < $count;
+  $count = 0 if ($count < 0);
+
   return $count;
 }
 
+sub count_grouped {
+  my ($self, $source, $attrs) = @_;
+
+  # copy for the subquery, we need to do some adjustments to it too
+  my $sub_attrs = { %$attrs };
+
+  # these can not go in the subquery, and there is no point of ordering it
+  delete $sub_attrs->{$_} for qw/prefetch collapse select +select as +as columns +columns order_by/;
+
+  # if we prefetch, we group_by primary keys only as this is what we would get out of the rs via ->next/->all
+  # simply deleting group_by suffices, as the code below will re-fill it
+  # Note: we check $attrs, as $sub_attrs has collapse deleted
+  if (ref $attrs->{collapse} and keys %{$attrs->{collapse}} ) {
+    delete $sub_attrs->{group_by};
+  }
+
+  $sub_attrs->{columns} = $sub_attrs->{group_by} ||= [ map { "$attrs->{alias}.$_" } ($source->primary_columns) ];
+
+  $attrs->{from} = [{
+    count_subq => $source->resultset_class->new ($source, $sub_attrs )->as_query
+  }];
+
+  # the subquery replaces this
+  delete $attrs->{$_} for qw/where bind prefetch collapse distinct group_by having having_bind rows offset page pager/;
+
+  return $self->count ($source, $attrs);
+}
+
 sub source_bind_attributes {
   my ($self, $source) = @_;
   




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