1 package SQL::Translator::Parser::DBI::PostgreSQL;
3 # -------------------------------------------------------------------
4 # $Id: PostgreSQL.pm,v 1.4 2003-10-15 19:56:20 phrrngtn Exp $
5 # -------------------------------------------------------------------
6 # Copyright (C) 2003 Paul Harrington <harringp@deshaw.com>.
8 # This program is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU General Public License as
10 # published by the Free Software Foundation; version 2.
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 # -------------------------------------------------------------------
25 SQL::Translator::Parser::DBI::PostgreSQL - parser for DBD::Pg
29 See SQL::Translator::Parser::DBI.
33 Uses DBD::Pg 1.31 catalog methods to determine schema structure.
40 use SQL::Translator::Schema::Constants;
42 use vars qw[ $DEBUG $VERSION @EXPORT_OK ];
43 $VERSION = sprintf "%d.%02d", q$Revision: 1.4 $ =~ /(\d+)\.(\d+)/;
44 $DEBUG = 0 unless defined $DEBUG;
46 # -------------------------------------------------------------------
48 my ( $tr, $dbh ) = @_;
50 my $schema = $tr->schema;
52 my ($sth, @tables, $columns);
55 warn "DBD:Pg $DBD::Pg::VERSION is not likely to produce anything useful. Upgrade to 1.31 or better if available."
56 unless ($DBD::Pg::VERSION ge '1.31');
58 if ($dbh->{FetchHashKeyName} ne 'NAME_uc') {
59 $dbh->{FetchHashKeyName} = 'NAME_uc';
62 if ($dbh->{ChopBlanks} != 1) {
63 $dbh->{ChopBlanks} = 1;
66 $sth = $dbh->column_info();
67 foreach my $c (@{$sth->fetchall_arrayref({})}) {
72 ->{$c->{COLUMN_NAME}}= $c;
75 $sth = $dbh->table_info();
77 @tables = @{$sth->fetchall_arrayref({})};
79 foreach my $table_info (@tables) {
81 unless (defined($table_info->{TABLE_TYPE}));
83 if ($table_info->{TABLE_TYPE} eq 'TABLE'&&
84 $table_info->{TABLE_SCHEM} eq 'public') {
85 my $table = $schema->add_table(
86 name => $table_info->{TABLE_NAME},
87 type => $table_info->{TABLE_TYPE},
88 ) || die $schema->error;
92 $columns->{$table_info->{TABLE_SCHEM}}
93 ->{$table_info->{TABLE_NAME}}
96 foreach my $c (values %{$cols}) {
97 my $f = $table->add_field(
98 name => $c->{COLUMN_NAME},
99 data_type => $c->{TYPE_NAME},
100 order => $c->{ORDINAL_POSITION},
101 size => $c->{COLUMN_SIZE},
102 ) || die $table->error;
105 if ($c->{NULLABLE} == 1);
115 # -------------------------------------------------------------------
116 # Time is a waste of money.
118 # -------------------------------------------------------------------
124 Paul Harrington E<lt>harringp@deshaw.comE<gt>.
128 SQL::Translator, DBD::Pg.