1 package SQL::Translator::Generator::Role::DDL;
3 # AUTHOR: Arthur Axel fREW Schmidt
4 # Copyright: Same as Perl 5
7 use SQL::Translator::Utils qw(header_comment);
10 requires '_build_type_map';
11 requires '_build_numeric_types';
12 requires '_build_unquoted_defaults';
13 requires '_build_sizeless_types';
20 has numeric_types => (
24 has sizeless_types => (
28 has unquoted_defaults => (
36 has add_drop_table => (
40 # would also be handy to have a required size set if there is such a thing
42 sub field_name { $_[0]->quote($_[1]->name) }
45 ( $_[1]->comments ? ('-- ' . $_[1]->comments . "\n ") : () )
49 my ($self, $table) = @_;
50 if ($self->add_comments) {
54 "-- Table: " . $self->quote($table->name) . "",
56 map "-- $_", $table->comments
63 sub field_nullable { ($_[1]->is_nullable ? $_[0]->nullable : 'NOT NULL' ) }
66 my ($self, $field, $exceptions) = @_;
68 my $default = $field->default_value;
69 return () if !defined $default;
71 $default = \"$default"
72 if $exceptions and !ref $default and $exceptions->{$default};
75 } elsif (!($self->numeric_types->{lc($field->data_type)} && Scalar::Util::looks_like_number ($default))) {
76 $default = "'$default'";
78 return ( "DEFAULT $default" )
82 my ($self, $field) = @_;
84 my $field_type = $field->data_type;
85 ($self->type_map->{$field_type} || $field_type).$self->field_type_size($field)
89 my ($self, $field) = @_;
91 ($field->size && !$self->sizeless_types->{$field->data_type}
92 ? '(' . $field->size . ')'
98 my ($self, $table) = @_;
99 ( map $self->field($_), $table->get_fields )
103 my ($self, $table) = @_;
104 (map $self->index($_), $table->get_indices)
107 sub nullable { 'NULL' }
109 sub header_comments { header_comment() . "\n" if $_[0]->add_comments }