package SQL::Translator::Parser::DBI::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.1 2003-10-10 15:24:04 kycl4rk Exp $
+# $Id: PostgreSQL.pm,v 1.2 2003-10-13 19:51:31 phrrngtn Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>.
#
use strict;
use DBI;
-use DBIx::DBSchema;
+use DBD::Pg 1.31;
use Data::Dumper;
use SQL::Translator::Schema::Constants;
use vars qw[ $DEBUG $VERSION @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.2 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
# -------------------------------------------------------------------
sub parse {
my ( $tr, $dbh ) = @_;
- my $db_schema = DBIx::DBSchema->new_native( $dbh );
+ my $schema = $tr->schema;
-# warn "DBIx::DBSchema =\n", Dumper( $,b_schema ), "\n";
+ my ($sth, @tables, $columns);
+ my $stuff;
- my $schema = $tr->schema;
- my @table_names = $db_schema->tables;
+ if ($dbh->{FetchHashKeyName} ne 'NAME_uc') {
+# warn "setting dbh attribute {FetchHashKeyName} to NAME_uc";
+ $dbh->{FetchHashKeyName} = 'NAME_uc';
+ }
- for my $table_name ( @table_names ) {
- my $db_table = $db_schema->table( $table_name );
+ if ($dbh->{ChopBlanks} != 1) {
+# warn "setting dbh attribute {ChopBlanks} to 1";
+ $dbh->{ChopBlanks} = 1;
+ }
- my $table = $schema->add_table(
- name => $table_name,
- ) or die $schema->error;
+ $sth = $dbh->column_info();
+ foreach my $c (@{$sth->fetchall_arrayref({})}) {
+ $columns
+ ->{$c->{TABLE_SCHEM}}
+ ->{$c->{TABLE_NAME}}
+ ->{columns}
+ ->{$c->{COLUMN_NAME}}= $c;
+ }
- my @col_names = $db_table->columns;
+ $sth = $dbh->table_info();
- for my $col_name ( @col_names ) {
- my $db_col = $db_table->column( $col_name );
- my $fname = $db_col->name or next;
- my $data_type = $db_col->type or next;
- my $size = $db_col->length;
- my $is_nullable = $db_col->null eq 'NULL' ? 1 : 0;
- my $default = $db_col->default;
+ @tables = @{$sth->fetchall_arrayref({})};
- my $field = $table->add_field(
- name => $fname,
- data_type => $data_type,
- size => $size,
- default_value => $default,
- is_nullable => $is_nullable,
- ) or die $table->error;
+ foreach my $table_info (@tables) {
+ next
+ unless (defined($table_info->{TABLE_TYPE}));
- my $pk = $db_table->primary_key;
- $table->primary_key( $pk ) if $pk;
- }
+ if ($table_info->{TABLE_TYPE} eq 'TABLE'&&
+ $table_info->{TABLE_SCHEM} eq 'public') {
+ my $table = $schema->add_table(
+ name => $table_info->{TABLE_NAME},
+ type => $table_info->{TABLE_TYPE},
+ ) || die $schema->error;
-# my $indices = $dbh->selectall_arrayref(
-# "show index from $table_name",
-# { Columns => {} },
-# );
-#
-# my ( %keys, %constraints, $order );
-# for my $index ( @$indices ) {
-# my $table = $index->{'table'};
-# my $non_unique = $index->{'non_unique'};
-# my $key_name = $index->{'key_name'} || '';
-# my $seq_in_index = $index->{'seq_in_index'};
-# my $column_name = $index->{'column_name'};
-# my $collation = $index->{'collation'};
-# my $cardinality = $index->{'cardinality'};
-# my $sub_part = $index->{'sub_part'};
-# my $packed = $index->{'packed'};
-# my $null = $index->{'null'};
-# my $index_type = $index->{'index_type'};
-# my $comment = $index->{'comment'};
-#
-# my $is_constraint = $key_name eq 'PRIMARY' || $non_unique == 0;
-#
-# if ( $is_constraint ) {
-# $constraints{ $key_name }{'order'} = ++$order;
-# push @{ $constraints{ $key_name }{'fields'} }, $column_name;
-#
-# if ( $key_name eq 'PRIMARY' ) {
-# $constraints{ $key_name }{'type'} = PRIMARY_KEY;
-# }
-# elsif ( $non_unique == 0 ) {
-# $constraints{ $key_name }{'type'} = UNIQUE;
-# }
-# }
-# else {
-# $keys{ $key_name }{'order'} = ++$order;
-# push @{ $keys{ $key_name }{'fields'} }, $column_name;
-# }
-# }
-#
-# for my $key_name (
-# sort { $keys{ $a }{'order'} <=> $keys{ $b }{'order'} }
-# keys %keys
-# ) {
-# my $key = $keys{ $key_name };
-# my $index = $table->add_index(
-# name => $key_name,
-# type => NORMAL,
-# fields => $key->{'fields'},
-# ) or die $table->error;
-# }
-#
-# for my $constraint_name (
-# sort { $constraints{ $a }{'order'} <=> $constraints{ $b }{'order'} }
-# keys %constraints
-# ) {
-# my $def = $constraints{ $constraint_name };
-# my $constraint = $table->add_constraint(
-# name => $constraint_name,
-# type => $def->{'type'},
-# fields => $def->{'fields'},
-# ) or die $table->error;
-# }
+
+ my $cols =
+ $columns->{$table_info->{TABLE_SCHEM}}
+ ->{$table_info->{TABLE_NAME}}
+ ->{columns};
+
+ foreach my $c (values %{$cols}) {
+ my $f = $table->add_field(
+ name => $c->{COLUMN_NAME},
+ data_type => $c->{TYPE_NAME},
+ order => $c->{ORDINAL_POSITION},
+ size => $c->{COLUMN_SIZE},
+ ) || die $table->error;
+
+ $f->is_nullable(1)
+ if ($c->{NULLABLE} == 1);
+ }
+ }
}
return 1;