package SQL::Translator::Schema::Field;
# ----------------------------------------------------------------------
-# $Id: Field.pm,v 1.17 2004-03-23 21:45:19 grommit Exp $
-# ----------------------------------------------------------------------
-# 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
=cut
use strict;
-use Class::Base;
use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils 'parse_list_arg';
-use base 'Class::Base';
+use base 'SQL::Translator::Schema::Object';
+
use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-$VERSION = sprintf "%d.%02d", q$Revision: 1.17 $ =~ /(\d+)\.(\d+)/;
+$VERSION = '1.59';
# 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
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
+
+);
# ----------------------------------------------------------------------
-sub init {
+
+__PACKAGE__->_attributes( qw/
+ table name data_type size is_primary_key is_nullable
+ is_auto_increment default_value comments is_foreign_key
+ is_unique order sql_data_type
+/);
=pod
=cut
- my ( $self, $config ) = @_;
-
- for my $arg (
- qw[
- table name data_type size is_primary_key is_nullable
- is_auto_increment default_value comments
- ]
- ) {
- next unless defined $config->{ $arg };
- defined $self->$arg( $config->{ $arg } ) or return;
- }
-
- return $self;
-}
-
# ----------------------------------------------------------------------
sub comments {
=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'} || '';
}
+sub sql_data_type {
+
+=head2 sql_data_type
+
+Constant from DBI package representing this data type. See L<DBI/DBI Constants>
+for more details.
+
+=cut
+
+ my $self = shift;
+ $self->{sql_data_type} = shift if @_;
+ return $self->{sql_data_type} || 0;
+
+}
+
# ----------------------------------------------------------------------
sub default_value {
}
# ----------------------------------------------------------------------
-sub extra {
-
=pod
=head2 extra
=cut
- my $self = shift;
- my $args = ref $_[0] eq 'HASH' ? shift : { @_ };
-
- while ( my ( $key, $value ) = each %$args ) {
- $self->{'extra'}{ $key } = $value;
- }
-
- return %{ $self->{'extra'} || {} };
-}
# ----------------------------------------------------------------------
sub foreign_key_reference {
}
# ----------------------------------------------------------------------
+sub schema {
+
+=head2 schema
+
+Shortcut to get the fields schema ($field->table->schema) or undef if it
+doesn't have one.
+
+ my $schema = $field->schema;
+
+=cut
+
+ my $self = shift;
+ if ( my $table = $self->table ) { return $table->schema || undef; }
+ return undef;
+}
+
+# ----------------------------------------------------------------------
sub size {
=pod
return $self->{'table'};
}
+sub parsed_field {
+
+=head2
+
+Returns the field exactly as the parser found it
+
+=cut
+
+ my $self = shift;
+
+ if (@_) {
+ my $value = shift;
+ $self->{parsed_field} = $value;
+ return $value || $self;
+ }
+ return $self->{parsed_field} || $self;
+}
+
+# ----------------------------------------------------------------------
+sub equals {
+
+=pod
+
+=head2 equals
+
+Determines if this field is the same as another
+
+ my $isIdentical = $field1->equals( $field2 );
+
+=cut
+
+ my $self = shift;
+ my $other = shift;
+ my $case_insensitive = shift;
+
+ return 0 unless $self->SUPER::equals($other);
+ return 0 unless $case_insensitive ? uc($self->name) eq uc($other->name) : $self->name eq $other->name;
+
+ # Comparing types: use sql_data_type if both are not 0. Else use string data_type
+ if ($self->sql_data_type && $other->sql_data_type) {
+ return 0 unless $self->sql_data_type == $other->sql_data_type
+ } else {
+ return 0 unless lc($self->data_type) eq lc($other->data_type)
+ }
+
+ return 0 unless $self->size eq $other->size;
+
+ {
+ 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;
+# return 0 unless $self->is_foreign_key eq $other->is_foreign_key;
+ return 0 unless $self->is_auto_increment eq $other->is_auto_increment;
+# return 0 unless $self->comments eq $other->comments;
+ return 0 unless $self->_compare_objects(scalar $self->extra, scalar $other->extra);
+ return 1;
+}
+
# ----------------------------------------------------------------------
sub DESTROY {
#
projects / dbsrgits/SQL-Translator.git / blobdiff