fix sizeless types and typemap for SQLite

[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Generator / DDL / SQLite.pm

package SQL::Translator::Generator::DDL::SQLite;

# AUTHOR: Arthur Axel fREW Schmidt
# Copyright: Same as Perl 5

use Moo;
use SQL::Translator::Generator::Utils;

has quote_chars => (is=>'ro', default=>sub { +[qw(" ")] } );

with 'SQL::Translator::Generator::Role::Quote';
with 'SQL::Translator::Generator::Role::DDL';

sub name_sep { q(.) }

sub _build_type_map {
   +{
      set   => 'varchar',
      bytea => 'blob',
   }
}

sub _build_sizeless_types {
   +{
      text => 1,
      blob => 1,
   }
}
sub _build_numeric_types {
   +{
      int                => 1,
      integer            => 1,
      tinyint            => 1,
      smallint           => 1,
      mediumint          => 1,
      bigint             => 1,
      'unsigned big int' => 1,
      int2               => 1,
      int8               => 1,
      numeric            => 1,
      decimal            => 1,
      boolean            => 1,
      real               => 1,
      double             => 1,
      'double precision' => 1,
      float              => 1,
   }
}

sub _build_unquoted_defaults {
   +{
       NULL              => 1,
       'now()'           => 1,
       CURRENT_TIMESTAMP => 1,
   }
}

sub nullable { () }

sub _ipk {
   my ($self, $field) = @_;

   my $pk = $field->table->primary_key;
   my @pk_fields = $pk ? $pk->fields : ();

   $field->is_primary_key && scalar @pk_fields == 1 &&
   ( $field->data_type =~ /int(eger)?$/i
    ||
   ( $field->data_type =~ /^number?$/i && $field->size !~ /,/ ) )
}

sub field {
   my ($self, $field) = @_;


   return join ' ',
      $self->field_comments($field),
      $self->field_name($field),
      ( $self->_ipk($field)
         ? ( 'INTEGER PRIMARY KEY' )
         : ( $self->field_type($field) )
      ),
      $self->field_nullable($field),
      $self->field_default($field),
}

1;