postgis/utils/create_extension_unpackage.pl
2020-07-01 11:00:58 +02:00

44 lines
981 B
Perl
Executable File

#!/usr/bin/env perl
#
# PostGIS - Spatial Types for PostgreSQL
# http://postgis.net
#
# Copyright (C) 2017 Sandro Santilli <strk@kbt.io>
#
# This is free software; you can redistribute and/or modify it under
# the terms of the GNU General Public Licence. See the COPYING file.
#
use warnings;
use strict;
use POSIX 'strftime';
eval "exec perl -w $0 $@"
if (0);
die "Usage: perl $0 <extname> [<sqlfile>]\n"
. " Prints SQL to drop objects dropped by given SQL file\n"
. " from extension with given name.\n"
unless @ARGV;
my $extname = shift(@ARGV);
while(<>)
{
/^DROP/i or next;
s/ IF EXISTS//i;
s/ CASCADE//i;
chop;
print 'DO $$ BEGIN ALTER EXTENSION ' . $extname
. ' ' . $_ . 'EXCEPTION '
. 'WHEN object_not_in_prerequisite_state OR undefined_function OR undefined_object THEN '
. " RAISE NOTICE '%', SQLERRM; "
. 'WHEN OTHERS THEN '
. " RAISE EXCEPTION 'Got % - %', SQLSTATE, SQLERRM; "
. 'END $$ LANGUAGE ' . "'plpgsql';\n";
}
1;