X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FProducer.pm;h=7363ee936ff91d0762863d67aadbab5750ef03e9;hb=2c64974b8705c149608a8e2d2b053fb337d7916c;hp=a8f42833b6b5691d068f4fc0d27fcd028c6e60de;hpb=c87fe35dc5f1d0ba85aad40c2dd748052bafc256;p=dbsrgits%2FSQL-Translator-2.0-ish.git diff --git a/lib/SQL/Translator/Producer.pm b/lib/SQL/Translator/Producer.pm index a8f4283..7363ee9 100644 --- a/lib/SQL/Translator/Producer.pm +++ b/lib/SQL/Translator/Producer.pm @@ -1,5 +1,81 @@ -package SQL::Translator::Producer; -use Moose; -extends 'SQL::Translator'; +use MooseX::Declare; +class SQL::Translator::Producer { + use SQL::Translator::Constants qw(:sqlt_types); + use MooseX::Types::Moose qw(ArrayRef Bool HashRef ScalarRef Str); + use SQL::Translator::Types qw(Column Table Translator); + + has 'data_type_mapping' => ( + isa => HashRef, + is => 'ro', + lazy_build => 1 + ); -1; + has 'translator' => ( + isa => Translator, + is => 'ro', + weak_ref => 1, + required => 1, + handles => [ qw(schema) ], + ); + + method _build_data_type_mapping { + return { + SQL_LONGVARCHAR() => 'text', + SQL_TIMESTAMP() => 'timestamp', + SQL_TYPE_TIMESTAMP() => 'timestamp without time zone', + SQL_TYPE_TIMESTAMP_WITH_TIMEZONE() => 'timestamp', + SQL_INTEGER() => 'integer', + SQL_CHAR() => 'char', + SQL_VARCHAR() => 'varchar', + SQL_BIGINT() => 'bigint', + SQL_FLOAT() => 'numeric', + }; + } + + method produce { + my $schema = $self->schema; + + $self->_create_table($_) for values %{$schema->tables}; + } + + method _create_table(Table $table) { + my $no_comments = 0; + my $add_drop_table = 1; + my $sqlite_version = 0; + + my $create_table; + my (@column_defs, @index_defs, @constraint_defs); + + $create_table .= 'DROP TABLE ' . $table->name . ";\n" if $add_drop_table; + $create_table .= 'CREATE TABLE ' . $table->name . " (\n"; + + push @column_defs, $self->_create_column($_) for values %{$table->columns}; + $create_table .= join(",\n", map { ' ' . $_ } @column_defs ) . "\n)"; + print $create_table . "\n"; + } + + method _create_column(Column $column) { + my $column_def; + $column_def = $column->name . ' ' . $column->data_type; + $column_def .= '(' . $column->size . ')' if $column->size; + $column_def .= ' NOT NULL' unless $column->is_nullable; + $column_def; + } + + method _default_value(ScalarRef|Str $default, ArrayRef $exceptions) { + if ($exceptions and ! ref $default) { + for (my $i = 0; $i < @$exceptions; $i += 2) { + my ($pat, $val) = @$exceptions[ $i, $i + 1 ]; + if (ref $pat and $default =~ $pat) { + $default = $val; + last; + } elsif (lc $default eq lc $pat) { + $default = $val; + last + } + } + } + + return ref($default) ? " DEFAULT $$default" : " DEFAULT '$default'"; + } +}