X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FSQLAHacks%2FOracle.pm;h=a55936d51e0b7e97d555e991184b2eb649ac2ecd;hb=534521dac62f6ab58e83a42d4e8e3cb586db464b;hp=fd0f20edfe2777a48241d26680de4ec5fc9494f3;hpb=43426175a56c02bf2ab64a902df2b317ca585fa3;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/SQLAHacks/Oracle.pm b/lib/DBIx/Class/SQLAHacks/Oracle.pm
index fd0f20e..a55936d 100644
--- a/lib/DBIx/Class/SQLAHacks/Oracle.pm
+++ b/lib/DBIx/Class/SQLAHacks/Oracle.pm
@@ -1,191 +1,9 @@
 package # Hide from PAUSE
   DBIx::Class::SQLAHacks::Oracle;
 
-use base qw( DBIx::Class::SQLAHacks );
-use Carp::Clan qw/^DBIx::Class|^SQL::Abstract/;
+use warnings;
+use strict;
 
-# 
-#  TODO:
-#   - Problems with such statements: parentid != PRIOR artistid
-#   - Check the parameter syntax of connect_by
-#   - Review review by experienced DBIC/SQL:A developers :-)
-# 
-
-sub new {
-  my $self = shift->SUPER::new(@_);
-
-  push @{ $self->{unary_ops} },{
-      regex   => qr/^prior$/,
-      handler => '_prior_as_unary_op',
-  };
-
-  push @{ $self->{special_ops} },{
-      regex   => qr/^prior$/,
-      handler => '_prior_as_special_op',
-  };
-
-  return $self;
-}
-
-
-sub select {
-    my ($self, $table, $fields, $where, $order, @rest) = @_;
-
-    $self->{_db_specific_attrs} = pop @rest;
-
-    my ($sql, @bind) = $self->SUPER::select($table, $fields, $where, $order, @rest);
-    push @bind, @{$self->{_oracle_connect_by_binds}};
-
-    return wantarray ? ($sql, @bind) : $sql;
-}
-
-sub _emulate_limit {
-    my ( $self, $syntax, $sql, $order, $rows, $offset ) = @_;
-
-    my ($cb_sql, @cb_bind) = $self->_connect_by();
-    $sql .= $cb_sql;
-    $self->{_oracle_connect_by_binds} = \@cb_bind;
-
-    return $self->SUPER::_emulate_limit($syntax, $sql, $order, $rows, $offset);
-}
-
-sub _connect_by {
-    my ($self) = @_;
-    my $attrs = $self->{_db_specific_attrs};
-    my $sql = '';
-    my @bind;
-
-    if ( ref($attrs) eq 'HASH' ) {
-        if ( $attrs->{'start_with'} ) {
-            my ($ws, @wb) = $self->_recurse_where( $attrs->{'start_with'} );
-            $sql .= $self->_sqlcase(' start with ') . $ws;
-            push @bind, @wb;
-        }
-        if ( my $connect_by = $attrs->{'connect_by'}) {
-            my ($connect_by_sql, @connect_by_sql_bind) = $self->_recurse_where( $attrs->{'connect_by'} );
-            $sql .= sprintf(" %s %s",
-                $self->_sqlcase('connect by'),
-                $connect_by_sql,
-            );
-            push @bind, @connect_by_sql_bind;
-            # $sql .= $self->_sqlcase(' connect by');
-            #             foreach my $key ( keys %$connect_by ) {
-            #                 $sql .= " $key = " . $connect_by->{$key};
-            #             }
-        }
-        if ( $attrs->{'order_siblings_by'} ) {
-            $sql .= $self->_order_siblings_by( $attrs->{'order_siblings_by'} );
-        }
-    }
-
-    return wantarray ? ($sql, @bind) : $sql;
-}
-
-sub _order_siblings_by {
-    my $self = shift;
-    my $ref = ref $_[0];
-
-    my @vals = $ref eq 'ARRAY'  ? @{$_[0]} :
-               $ref eq 'SCALAR' ? ${$_[0]} :
-               $ref eq ''       ? $_[0]    :
-               puke( "Unsupported data struct $ref for ORDER SIBILINGS BY" );
-
-    my $val = join ', ', map { $self->_quote($_) } @vals;
-    return $val ? $self->_sqlcase(' order siblings by')." $val" : '';
-}
-
-sub _prior_as_special_op {
-    my ( $self, $field, $op, $arg ) = @_;
-
-    my ( $label, $and, $placeholder );
-    $label       = $self->_convert( $self->_quote($field) );
-    $and         = ' ' . $self->_sqlcase('and') . ' ';
-    $placeholder = $self->_convert('?');
-
-    # TODO: $op is prior, and not the operator
-    $op          = $self->_sqlcase('=');
-
-    my ( $sql, @bind ) = $self->_SWITCH_refkind(
-        $arg,
-        {
-            SCALARREF => sub {
-                my $sql = sprintf( "%s %s PRIOR %s", $label, $op, $$arg );
-                return $sql;
-            },
-            SCALAR => sub {
-                my $sql = sprintf( "%s %s PRIOR %s", $label, $op, $placeholder );
-                return ( $sql, $arg );
-            },
-            HASHREF => sub {    # case { '-prior' => { '=<' => 'nwiger'} }
-                                # no _convert and _quote from SCALARREF
-                my ( $sql, @bind ) = $self->_where_hashpair_HASHREF( $field, $arg, $op );
-                $sql = sprintf( " PRIOR %s", $sql );
-                return ( $sql, @bind );
-            },
-            FALLBACK => sub {
-                # TODO
-                $self->puke(" wrong way... :/");
-            },
-        }
-    );
-    return ( $sql, @bind );
-}
-
-sub _prior_as_unary_op {
-    my ( $self, $op, $arg ) = @_;
-
-    my $placeholder = $self->_convert('?');
-    my $and         = ' ' . $self->_sqlcase('and') . ' ';
-
-    my ( $sql, @bind ) = $self->_SWITCH_refkind(
-        $arg,
-        {
-            ARRAYREF => sub {
-                $self->puke("special op 'prior' accepts an arrayref with exactly two values")
-                  if @$arg != 2;
-
-                my ( @all_sql, @all_bind );
-
-                foreach my $val ( @{$arg} ) {
-                    my ( $sql, @bind ) = $self->_SWITCH_refkind($val,
-                        {
-                            SCALAR => sub {
-                                return ( $placeholder, ($val) );
-                            },
-                            SCALARREF => sub {
-                                return ( $$val, () );
-                            },
-                        }
-                    );
-                    push @all_sql, $sql;
-                    push @all_bind, @bind;
-                }
-                my $sql = sprintf("PRIOR %s ",join $self->_sqlcase('='), @all_sql);
-                return ($sql,@all_bind);
-            },
-            FALLBACK => sub {
-
-                # TODO
-                $self->puke(" wrong way... :/ ");
-            },
-        }
-    );
-    return ( $sql, @bind );
-};
+use base qw( DBIx::Class::SQLMaker::Oracle );
 
 1;
-
-__END__
-
-=pod
-
-=head1 NAME
-
-DBIx::Class::SQLAHacks::Oracle - adds hierarchical query support for Oracle to SQL::Abstract
-
-=head1 DESCRIPTION
-
-See L<DBIx::Class::Storage::DBI::Oracle::Generic> for more informations about
-how to use hierarchical queries with DBIx::Class.
-
-=cut