- Removed use of $Revision$ SVN keyword to generate VERSION variables; now sub-module...

[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Schema / Field.pm

diff --git a/lib/SQL/Translator/Schema/Field.pm b/lib/SQL/Translator/Schema/Field.pm
index 2f20ee5..87bddb4 100644 (file)
--- a/lib/SQL/Translator/Schema/Field.pm
+++ b/lib/SQL/Translator/Schema/Field.pm
@@ -1,9 +1,9 @@
 package SQL::Translator::Schema::Field;
 
 # ----------------------------------------------------------------------
-# $Id: Field.pm,v 1.27 2007-10-24 10:55:44 schiffbruechige Exp $
+# $Id$
 # ----------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
+# Copyright (C) 2002-2009 SQLFairy Authors
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License as
@@ -48,9 +48,7 @@ use SQL::Translator::Utils 'parse_list_arg';
 
 use base 'SQL::Translator::Schema::Object';
 
-use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-
-$VERSION = sprintf "%d.%02d", q$Revision: 1.27 $ =~ /(\d+)\.(\d+)/;
+use vars qw($TABLE_COUNT $VIEW_COUNT);
 
 # Stringify to our name, being careful not to pass any args through so we don't
 # accidentally set it to undef. We also have to tweak bool so the object is
@@ -61,6 +59,38 @@ use overload
     fallback => 1,
 ;
 
+use DBI qw(:sql_types);
+
+# Mapping from string to sql contstant
+our %type_mapping = (
+  integer => SQL_INTEGER,
+  int     => SQL_INTEGER,
+
+  smallint => SQL_SMALLINT,
+  bigint => 9999, # DBI doesn't export a constatn for this. Le suck
+
+  double => SQL_DOUBLE,
+
+  decimal => SQL_DECIMAL,
+  numeric => SQL_NUMERIC,
+  dec => SQL_DECIMAL,
+
+  bit => SQL_BIT,
+
+  date => SQL_DATE,
+  datetime => SQL_DATETIME,
+  timestamp => SQL_TIMESTAMP,
+  time => SQL_TIME,
+
+  char => SQL_CHAR,
+  varchar => SQL_VARCHAR,
+  binary => SQL_BINARY,
+  varbinary => SQL_VARBINARY,
+  tinyblob => SQL_BLOB,
+  blob => SQL_BLOB,
+  text => SQL_LONGVARCHAR
+
+);
 # ----------------------------------------------------------------------
 
 __PACKAGE__->_attributes( qw/
@@ -132,7 +162,10 @@ Get or set the field's data type.
 =cut
 
     my $self = shift;
-    $self->{'data_type'} = shift if @_;
+    if (@_) {
+      $self->{'data_type'} = $_[0];
+      $self->{'sql_data_type'} = $type_mapping{lc $_[0]} || SQL_UNKNOWN_TYPE unless exists $self->{sql_data_type};
+    }
     return $self->{'data_type'} || '';
 }
 
@@ -609,8 +642,25 @@ Determines if this field is the same as another
     }
 
     return 0 unless $self->size eq $other->size;
-    return 0 unless (!defined $self->default_value || $self->default_value eq 'NULL') eq (!defined $other->default_value || $other->default_value eq 'NULL');
-    return 0 if defined $self->default_value && $self->default_value ne $other->default_value;
+
+    {
+        my $lhs = $self->default_value;
+           $lhs = \'NULL' unless defined $lhs;
+        my $lhs_is_ref = ! ! ref $lhs;
+
+        my $rhs = $other->default_value;
+           $rhs = \'NULL' unless defined $rhs;
+        my $rhs_is_ref = ! ! ref $rhs;
+
+        # If only one is a ref, fail. -- rjbs, 2008-12-02
+        return 0 if $lhs_is_ref xor $rhs_is_ref;
+
+        my $effective_lhs = $lhs_is_ref ? $$lhs : $lhs;
+        my $effective_rhs = $rhs_is_ref ? $$rhs : $rhs;
+
+        return 0 if $effective_lhs ne $effective_rhs;
+    }
+
     return 0 unless $self->is_nullable eq $other->is_nullable;
 #    return 0 unless $self->is_unique eq $other->is_unique;
     return 0 unless $self->is_primary_key eq $other->is_primary_key;