package DBIx::DBSchema::DBD::Pg;
+use base qw(DBIx::DBSchema::DBD);
use strict;
-use vars qw($VERSION @ISA %typemap);
-use DBD::Pg 1.32;
-use DBIx::DBSchema::DBD;
+use DBD::Pg 1.41;
-$VERSION = '0.16';
-@ISA = qw(DBIx::DBSchema::DBD);
+our $VERSION = '0.20';
-die "DBD::Pg version 1.32 or 1.41 (or later) required--".
- "this is only version $DBD::Pg::VERSION\n"
- if $DBD::Pg::VERSION != 1.32 && $DBD::Pg::VERSION < 1.41;
-
-%typemap = (
+our %typemap = (
'BLOB' => 'BYTEA',
'LONG VARBINARY' => 'BYTEA',
'TIMESTAMP' => 'TIMESTAMP WITH TIME ZONE',
$default = \$value;
}
} elsif ( $default =~ /^[a-z]/i ) { #sloppy, but it'll do
- $default = \$default;
+ my $value = $default;
+ $default = \$value;
}
}
$row->{'indisunique'};
}
+#using this
+#******** QUERY **********
+#SELECT conname,
+# pg_catalog.pg_get_constraintdef(r.oid, true) as condef
+#FROM pg_catalog.pg_constraint r
+#WHERE r.conrelid = '16457' AND r.contype = 'f' ORDER BY 1;
+#**************************
+
+# what's this do?
+#********* QUERY **********
+#SELECT conname, conrelid::pg_catalog.regclass,
+# pg_catalog.pg_get_constraintdef(c.oid, true) as condef
+#FROM pg_catalog.pg_constraint c
+#WHERE c.confrelid = '16457' AND c.contype = 'f' ORDER BY 1;
+#**************************
+
+sub constraints {
+ my($proto, $dbh, $table) = @_;
+ my $sth = $dbh->prepare(<<END) or die $dbh->errstr;
+ SELECT conname, pg_catalog.pg_get_constraintdef(r.oid, true) as condef
+ FROM pg_catalog.pg_constraint r
+ WHERE r.conrelid = ( SELECT oid FROM pg_class
+ WHERE relname = '$table'
+ AND pg_catalog.pg_table_is_visible(oid)
+ )
+ AND r.contype = 'f'
+END
+ $sth->execute;
+
+ map { $_->{condef}
+ =~ /^FOREIGN KEY \(([\w\, ]+)\) REFERENCES (\w+)\(([\w\, ]+)\)\s*(.*)$/i
+ or die "unparsable constraint: ". $_->{condef};
+ my($columns, $table, $references, $etc ) = ($1, $2, $3, $4);
+ my $match = ( $etc =~ /MATCH (\w+)/i ) ? "MATCH $1" : '';
+ my $on_delete = ( $etc =~ /ON DELETE ((NO |SET )?\w+)/i ) ? $1 : '';
+ my $on_update = ( $etc =~ /ON UPDATE ((NO |SET )?\w+)/i ) ? $1 : '';
+ +{ 'constraint' => $_->{conname},
+ 'columns' => [ split(/,\s*/, $columns) ],
+ 'table' => $table,
+ 'references' => [ split(/,\s*/, $references) ],
+ 'match' => $match,
+ 'on_delete' => $on_delete,
+ 'on_update' => $on_update,
+ };
+ }
+ grep $_->{condef} =~ /^\s*FOREIGN\s+KEY/,
+ @{ $sth->fetchall_arrayref( {} ) };
+}
+
sub add_column_callback {
my( $proto, $dbh, $table, $column_obj ) = @_;
my $name = $column_obj->name;
my $name = $old_column->name;
my %canonical = (
- 'SMALLINT' => 'INT2',
- 'INT' => 'INT4',
- 'BIGINT' => 'INT8',
- 'SERIAL' => 'INT4',
- 'BIGSERIAL' => 'INT8',
- 'DECIMAL' => 'NUMERIC',
- 'REAL' => 'FLOAT4',
- 'BLOB' => 'BYTEA',
- 'TIMESTAMP' => 'TIMESTAMPTZ',
+ 'SMALLINT' => 'INT2',
+ 'INT' => 'INT4',
+ 'BIGINT' => 'INT8',
+ 'SERIAL' => 'INT4',
+ 'BIGSERIAL' => 'INT8',
+ 'DECIMAL' => 'NUMERIC',
+ 'REAL' => 'FLOAT4',
+ 'DOUBLE PRECISION' => 'FLOAT8',
+ 'BLOB' => 'BYTEA',
+ 'TIMESTAMP' => 'TIMESTAMPTZ',
);
foreach ($old_column, $new_column) {
$_->type($canonical{uc($_->type)}) if $canonical{uc($_->type)};
if ( $pg_server_version >= 80000 ) {
$hashref->{'sql_alter_type'} =
- "ALTER TABLE $table ALTER COLUMN ". $new_column->name.
+ "ALTER COLUMN ". $new_column->name.
" TYPE ". $new_column->type.
( ( defined($new_column->length) && $new_column->length )
? '('.$new_column->length.')'
Copyright (c) 2000 Ivan Kohler
Copyright (c) 2000 Mail Abuse Prevention System LLC
-Copyright (c) 2009-2010 Freeside Internet Services, Inc.
+Copyright (c) 2009-2013 Freeside Internet Services, Inc.
All rights reserved.
This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
=head1 BUGS
-Yes.
-
columns doesn't return column default information.
=head1 SEE ALSO