X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FSQLAHacks%2FOracle.pm;h=a55936d51e0b7e97d555e991184b2eb649ac2ecd;hb=4a233f3019d2baa4bf2abee0c873c74d5cdf3a11;hp=3e556224982c2f494bee5d27218e747749b715c9;hpb=63ca94e17632a42875a93d2c7333f9cdc2a7dfd7;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/SQLAHacks/Oracle.pm b/lib/DBIx/Class/SQLAHacks/Oracle.pm
index 3e55622..a55936d 100644
--- a/lib/DBIx/Class/SQLAHacks/Oracle.pm
+++ b/lib/DBIx/Class/SQLAHacks/Oracle.pm
@@ -4,198 +4,6 @@ package # Hide from PAUSE
 use warnings;
 use strict;
 
-use base qw( DBIx::Class::SQLAHacks );
-use Carp::Clan qw/^DBIx::Class|^SQL::Abstract/;
-
-sub new {
-  my $self = shift;
-  my %opts = (ref $_[0] eq 'HASH') ? %{$_[0]} : @_;
-  push @{$opts{special_ops}}, {
-    regex => qr/^prior$/i,
-    handler => '_where_field_PRIOR',
-  };
-
-  $self->SUPER::new (\%opts);
-}
-
-sub _assemble_binds {
-  my $self = shift;
-  return map { @{ (delete $self->{"${_}_bind"}) || [] } } (qw/from where oracle_connect_by having order/);
-}
-
-
-sub _parse_rs_attrs {
-    my $self = shift;
-    my ($rs_attrs) = @_;
-
-    my ($cb_sql, @cb_bind) = $self->_connect_by($rs_attrs);
-    push @{$self->{oracle_connect_by_bind}}, @cb_bind;
-
-    my $sql = $self->SUPER::_parse_rs_attrs(@_);
-
-    return "$cb_sql $sql";
-}
-
-sub _connect_by {
-    my ($self, $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'} || $attrs->{'connect_by_nocycle'} ) {
-            my ($connect_by_sql, @connect_by_sql_bind) = $self->_recurse_where( $connect_by );
-            $sql .= sprintf(" %s %s",
-                ( $attrs->{'connect_by_nocycle'} ) ? $self->_sqlcase('connect by nocycle')
-                    : $self->_sqlcase('connect by'),
-                $connect_by_sql,
-            );
-            push @bind, @connect_by_sql_bind;
-        }
-        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, $arg ) = @_;
-
-    my ( @sql, @bind );
-    for my $c ( $self->_order_by_chunks($arg) ) {
-        $self->_SWITCH_refkind(
-            $c,
-            {
-                SCALAR   => sub { push @sql, $c },
-                ARRAYREF => sub { push @sql, shift @$c; push @bind, @$c },
-            }
-        );
-    }
-
-    my $sql =
-      @sql
-      ? sprintf( '%s %s', $self->_sqlcase(' order siblings by'), join( ', ', @sql ) )
-      : '';
-
-    return wantarray ? ( $sql, @bind ) : $sql;
-}
-
-# we need to add a '=' only when PRIOR is used against a column diretly
-# i.e. when it is invoked by a special_op callback
-sub _where_field_PRIOR {
-  my ($self, $lhs, $op, $rhs) = @_;
-  my ($sql, @bind) = $self->_recurse_where ($rhs);
-
-  $sql = sprintf ('%s = %s %s ',
-    $self->_convert($self->_quote($lhs)),
-    $self->_sqlcase ($op),
-    $sql
-  );
-
-  return ($sql, @bind);
-}
-
-# this takes an identifier and shortens it if necessary
-# optionally keywords can be passed as an arrayref to generate useful
-# identifiers
-sub _shorten_identifier {
-  my ($self, $to_shorten, $keywords) = @_;
-
-  # 30 characters is the identifier limit for Oracle
-  my $max_len = 30;
-  # we want at least 10 characters of the base36 md5
-  my $min_entropy = 10;
-
-  my $max_trunc = $max_len - $min_entropy - 1;
-
-  return $to_shorten
-    if length($to_shorten) <= $max_len;
-
-  croak 'keywords needs to be an arrayref'
-    if defined $keywords && ref $keywords ne 'ARRAY';
-
-  # if no keywords are passed use the identifier as one
-  my @keywords = @{$keywords || []};
-  @keywords = $to_shorten unless @keywords;
-
-  # get a base36 md5 of the identifier
-  require Digest::MD5;
-  require Math::BigInt;
-  require Math::Base36;
-  my $b36sum = Math::Base36::encode_base36(
-    Math::BigInt->from_hex (
-      '0x' . Digest::MD5::md5_hex ($to_shorten)
-    )
-  );
-
-  # switch from perl to java
-  # get run-length
-  my ($concat_len, @lengths);
-  for (@keywords) {
-    $_ = ucfirst (lc ($_));
-    $_ =~ s/\_+(\w)/uc ($1)/eg;
-
-    push @lengths, length ($_);
-    $concat_len += $lengths[-1];
-  }
-
-  # if we are still too long - try to disemvowel non-capitals (not keyword starts)
-  if ($concat_len > $max_trunc) {
-    $concat_len = 0;
-    @lengths = ();
-
-    for (@keywords) {
-      $_ =~ s/[aeiou]//g;
-
-      push @lengths, length ($_);
-      $concat_len += $lengths[-1];
-    }
-  }
-
-  # still too long - just start cuting proportionally
-  if ($concat_len > $max_trunc) {
-    my $trim_ratio = $max_trunc / $concat_len;
-
-    for my $i (0 .. $#keywords) {
-      $keywords[$i] = substr ($keywords[$i], 0, int ($trim_ratio * $lengths[$i] ) );
-    }
-  }
-
-  my $fin = join ('', @keywords);
-  my $fin_len = length $fin;
-
-  return sprintf ('%s_%s',
-    $fin,
-    substr ($b36sum, 0, $max_len - $fin_len - 1),
-  );
-}
-
-sub _unqualify_colname {
-  my ($self, $fqcn) = @_;
-
-  return $self->_shorten_identifier($self->next::method($fqcn));
-}
+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