package SQL::Translator::Parser::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.14 2003-05-03 15:40:18 kycl4rk Exp $
+# $Id: PostgreSQL.pm,v 1.15 2003-06-06 22:27:46 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# Allen Day <allenday@users.sourceforge.net>,
use strict;
use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.14 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.15 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
elsif ( $definition->{'type'} eq 'constraint' ) {
$definition->{'type'} = $definition->{'constraint_type'};
# group FKs at the field level
- if ( $definition->{'type'} eq 'foreign_key' ) {
- for my $fld ( @{ $definition->{'fields'} || [] } ) {
- push @{
- $tables{$table_name}{'fields'}{$fld}{'constraints'}
- }, $definition;
- }
- }
- else {
+# if ( $definition->{'type'} eq 'foreign_key' ) {
+# for my $fld ( @{ $definition->{'fields'} || [] } ) {
+# push @{
+# $tables{$table_name}{'fields'}{$fld}{'constraints'}
+# }, $definition;
+# }
+# }
+# else {
push @{ $tables{ $table_name }{'constraints'} },
$definition;
- }
+# }
}
else {
push @{ $tables{ $table_name }{'indices'} }, $definition;
field : comment(s?) field_name data_type field_meta(s?) comment(s?)
{
my ( $default, @constraints, $is_pk );
+ my $null = 1;
for my $meta ( @{ $item[4] } ) {
- $default = $meta if $meta->{'meta_type'} eq 'default';
- push @constraints, $meta if $meta->{'meta_type'} eq 'constraint';
- $is_pk = $meta->{'type'} eq 'primary_key';
- }
+ if ( $meta->{'type'} eq 'default' ) {
+ $default = $meta;
+ next;
+ }
+ elsif ( $meta->{'type'} eq 'not_null' ) {
+ $null = 0;
+ next;
+ }
+ elsif ( $meta->{'type'} eq 'primary_key' ) {
+ $is_pk = 1;
+ }
- my $null = ( grep { $_->{'type'} eq 'not_null' } @constraints ) ? 0 : 1;
+ push @constraints, $meta if $meta->{'supertype'} eq 'constraint';
+ }
my @comments = ( @{ $item[1] }, @{ $item[5] } );
| <error>
field_meta : default_val
- |
- column_constraint
+ | column_constraint
column_constraint : constraint_name(?) column_constraint_type deferrable(?) deferred(?)
{
my $expression = $desc->{'expression'} || '';
$return = {
- meta_type => 'constraint',
+ supertype => 'constraint',
name => $item{'constraint_name'}[0] || '',
type => $type,
expression => $type eq 'check' ? $expression : '',
#
# We can deduce some sizes from the data type's name.
#
- $data_type->{'size'} ||= $item[2];
+ $data_type->{'size'} ||= $item[2][0];
$return = $data_type;
}
$return = { type => 'boolean' };
}
|
- /(bytea|binary data)/
+ /bytea/
{
- $return = { type => 'binary' };
+ $return = { type => 'bytea' };
}
|
/timestampz?/
my $val = $item[2] || '';
$val =~ s/'//g;
$return = {
- meta_type => 'default',
+ supertype => 'constraint',
+ type => 'default',
value => $val,
}
}
my $result = $parser->startrule($data);
die "Parse failed.\n" unless defined $result;
warn Dumper($result) if $DEBUG;
+
+ my $schema = $translator->schema;
+ my @tables = sort {
+ $result->{ $a }->{'order'} <=> $result->{ $b }->{'order'}
+ } keys %{ $result };
+
+ for my $table_name ( @tables ) {
+ my $tdata = $result->{ $table_name };
+ my $table = $schema->add_table(
+ name => $tdata->{'table_name'},
+ ) or die $schema->error;
+
+ my @fields = sort {
+ $tdata->{'fields'}->{$a}->{'order'}
+ <=>
+ $tdata->{'fields'}->{$b}->{'order'}
+ } keys %{ $tdata->{'fields'} };
+
+ for my $fname ( @fields ) {
+ my $fdata = $tdata->{'fields'}{ $fname };
+ my $field = $table->add_field(
+ name => $fdata->{'name'},
+ data_type => $fdata->{'data_type'},
+ size => $fdata->{'size'},
+ default_value => $fdata->{'default'},
+ is_auto_increment => $fdata->{'is_auto_inc'},
+ is_nullable => $fdata->{'null'},
+ ) or die $table->error;
+
+ $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
+
+ for my $cdata ( @{ $fdata->{'constraints'} } ) {
+ next unless $cdata->{'type'} eq 'foreign_key';
+ $cdata->{'fields'} ||= [ $field->name ];
+ push @{ $tdata->{'constraints'} }, $cdata;
+ }
+ }
+
+ for my $idata ( @{ $tdata->{'indices'} || [] } ) {
+ my $index = $table->add_index(
+ name => $idata->{'name'},
+ type => uc $idata->{'type'},
+ fields => $idata->{'fields'},
+ ) or die $table->error;
+ }
+
+ for my $cdata ( @{ $tdata->{'constraints'} || [] } ) {
+ my $constraint = $table->add_constraint(
+ name => $cdata->{'name'},
+ type => $cdata->{'type'},
+ fields => $cdata->{'fields'},
+ reference_table => $cdata->{'reference_table'},
+ reference_fields => $cdata->{'reference_fields'},
+ match_type => $cdata->{'match_type'} || '',
+ on_delete => $cdata->{'on_delete_do'},
+ on_update => $cdata->{'on_update_do'},
+ ) or die $table->error;
+ }
+ }
+
return $result;
}
1;
-#-----------------------------------------------------
-# Where man is not nature is barren.
-# William Blake
-#-----------------------------------------------------
+# -------------------------------------------------------------------
+# Rescue the drowning and tie your shoestrings.
+# Henry David Thoreau
+# -------------------------------------------------------------------
=pod