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package SQL::Translator::Parser::YAML;
use strict;
use warnings;
our $VERSION = '1.59';
use SQL::Translator::Schema;
use SQL::Translator::Utils qw(header_comment);
use Data::Dumper;
use YAML qw(Load);
sub parse {
my ($translator, $data) = @_;
$data = Load($data);
$data = $data->{'schema'};
warn "YAML data:",Dumper( $data ) if $translator->debug;
my $schema = $translator->schema;
#
# Tables
#
my @tables =
map { $data->{'tables'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'tables'}{ $_ }{'order'} || 0, $_ ] }
keys %{ $data->{'tables'} }
;
for my $tdata ( @tables ) {
my $table = $schema->add_table(
map {
$tdata->{$_} ? ($_ => $tdata->{$_}) : ()
} (qw/name extra options/)
) or die $schema->error;
my @fields =
map { $tdata->{'fields'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $tdata->{'fields'}{ $_ }{'order'}, $_ ] }
keys %{ $tdata->{'fields'} }
;
for my $fdata ( @fields ) {
$table->add_field( %$fdata ) or die $table->error;
$table->primary_key( $fdata->{'name'} )
if $fdata->{'is_primary_key'};
}
for my $idata ( @{ $tdata->{'indices'} || [] } ) {
$table->add_index( %$idata ) or die $table->error;
}
for my $cdata ( @{ $tdata->{'constraints'} || [] } ) {
$table->add_constraint( %$cdata ) or die $table->error;
}
}
#
# Views
#
my @views =
map { $data->{'views'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'views'}{ $_ }{'order'}, $_ ] }
keys %{ $data->{'views'} }
;
for my $vdata ( @views ) {
$schema->add_view( %$vdata ) or die $schema->error;
}
#
# Triggers
#
my @triggers =
map { $data->{'triggers'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'triggers'}{ $_ }{'order'}, $_ ] }
keys %{ $data->{'triggers'} }
;
for my $tdata ( @triggers ) {
$schema->add_trigger( %$tdata ) or die $schema->error;
}
#
# Procedures
#
my @procedures =
map { $data->{'procedures'}{ $_->[1] } }
sort { $a->[0] <=> $b->[0] }
map { [ $data->{'procedures'}{ $_ }{'order'}, $_ ] }
keys %{ $data->{'procedures'} }
;
for my $tdata ( @procedures ) {
$schema->add_procedure( %$tdata ) or die $schema->error;
}
if ( my $tr_data = $data->{'translator'} ) {
$translator->add_drop_table( $tr_data->{'add_drop_table'} );
$translator->filename( $tr_data->{'filename'} );
$translator->no_comments( $tr_data->{'no_comments'} );
$translator->parser_args( $tr_data->{'parser_args'} );
$translator->producer_args( $tr_data->{'producer_args'} );
$translator->parser_type( $tr_data->{'parser_type'} );
$translator->producer_type( $tr_data->{'producer_type'} );
$translator->show_warnings( $tr_data->{'show_warnings'} );
$translator->trace( $tr_data->{'trace'} );
}
return 1;
}
1;
__END__
=head1 NAME
SQL::Translator::Parser::YAML - Parse a YAML representation of a schema
=head1 SYNOPSIS
use SQL::Translator;
my $translator = SQL::Translator->new(parser => "YAML");
=head1 DESCRIPTION
C<SQL::Translator::Parser::YAML> parses a schema serialized with YAML.
=head1 AUTHORS
Darren Chamberlain E<lt>darren@cpan.orgE<gt>,
Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
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