Initial Commit

database/perl/vendor/lib/DBIx/Class/CDBICompat/Retrieve.pm

@@ -0,0 +1,97 @@
+package # hide from PAUSE
+    DBIx::Class::CDBICompat::Retrieve;
+
+use strict;
+
+# even though fatalization has been proven over and over to be a universally
+# bad idea, this line has been part of the code from the beginning
+# leaving the compat layer as-is, something may in fact depend on that
+use warnings FATAL => 'all';
+
+sub retrieve {
+  my $self = shift;
+  die "No args to retrieve" unless @_ > 0;
+
+  my @cols = $self->primary_columns;
+
+  my $query;
+  if (ref $_[0] eq 'HASH') {
+    $query = { %{$_[0]} };
+  }
+  elsif (@_ == @cols) {
+    $query = {};
+    @{$query}{@cols} = @_;
+  }
+  else {
+    $query = {@_};
+  }
+
+  $query = $self->_build_query($query);
+  $self->find($query);
+}
+
+sub find_or_create {
+  my $self = shift;
+  my $query = ref $_[0] eq 'HASH' ? shift : {@_};
+
+  $query = $self->_build_query($query);
+  $self->next::method($query);
+}
+
+# _build_query
+#
+# Build a query hash. Defaults to a no-op; ColumnCase overrides.
+
+sub _build_query {
+  my ($self, $query) = @_;
+
+  return $query;
+}
+
+sub retrieve_from_sql {
+  my ($class, $cond, @rest) = @_;
+
+  $cond =~ s/^\s*WHERE//i;
+
+  # Need to parse the SQL clauses after WHERE in reverse
+  # order of appearance.
+
+  my %attrs;
+
+  if( $cond =~ s/\bLIMIT\s+(\d+)\s*$//i ) {
+      $attrs{rows} = $1;
+  }
+
+  if ( $cond =~ s/\bORDER\s+BY\s+(.*)\s*$//i ) {
+      $attrs{order_by} = $1;
+  }
+
+  if( $cond =~ s/\bGROUP\s+BY\s+(.*)\s*$//i ) {
+      $attrs{group_by} = $1;
+  }
+
+  return $class->search_literal($cond, @rest, ( %attrs ? \%attrs : () ) );
+}
+
+sub construct {
+    my $class = shift;
+    my $obj = $class->resultset_instance->new_result(@_);
+    $obj->in_storage(1);
+
+    return $obj;
+}
+
+sub retrieve_all      { shift->search              }
+sub count_all         { shift->count               }
+
+sub maximum_value_of  {
+    my($class, $col) = @_;
+    return $class->resultset_instance->get_column($col)->max;
+}
+
+sub minimum_value_of  {
+    my($class, $col) = @_;
+    return $class->resultset_instance->get_column($col)->min;
+}
+
+1;