+++ /dev/null
-# perl create_undef.pl <postgis.sql>
-# creates a new sql script to delete all the postgis functions et al.
-
-($#ARGV == 1) || die "Usage: perl create_undef.pl <postgis.sql> <pgsql_version #>\nCreates a new SQL script to delete all the PostGIS functions.\n";
-
-# drops are in the following order:
-# 1. Indexing system stuff
-# 2. Meta datatables <not done>
-# 3. Aggregates
-# 3. Casts
-# 4. Operators
-# 5. Functions
-# 6. Types
-# 7. Tables
-
-my @aggs = ();
-my @casts = ();
-my @funcs = ();
-my @types = ();
-my @ops = ();
-
-my $version = $ARGV[1];
-
-print "BEGIN;\n";
-
-if ( $version ge "73" )
-{
- print "-- Drop index bindings from system tables\n";
- print "DROP OPERATOR CLASS gist_geometry_ops USING gist CASCADE;\n";
-}
-else
-{
- print "-- Drop index bindings from system tables\n";
- print "DELETE FROM pg_amproc WHERE amopclaid = (SELECT oid FROM pg_opclass WHERE opcname = 'gist_geometry_ops');\n";
- print "DELETE FROM pg_amop WHERE amopclaid = (SELECT oid FROM pg_opclass WHERE opcname = 'gist_geometry_ops');\n";
- print "DELETE FROM pg_opclass WHERE opcname = 'gist_geometry_ops';\n";
-}
-
-
-open( INPUT, $ARGV[0] ) || die "Couldn't open file: $ARGV[0]\n";
-
-while( my $line = <INPUT>)
-{
- $line =~ s/[\r\n]//g;
- push (@funcs, $line) if ($line =~ /^create function/i);
- push (@funcs, $line) if ($line =~ /^create or replace function/i);
- push (@ops, $line) if ($line =~ /^create operator.*\(/i);
- push (@aggs, $line) if ($line =~ /^create aggregate/i);
- push (@types, $line) if ($line =~ /^create type/i);
- push (@casts, $line) if ($line =~ /^create cast/i);
-}
-
-close( INPUT );
-
-print "-- Drop all aggregates.\n";
-
-foreach my $agg (@aggs)
-{
- if ( $agg =~ /create aggregate\s*(\w+)\s*\(/i )
- {
- if ( $version eq "71" )
- {
- print "DROP AGGREGATE $1 geometry;\n";
- }
- else
- {
- print "DROP AGGREGATE $1 ( geometry );\n";
- }
- }
- else
- {
- die "Couldn't parse line: $agg\n";
- }
-}
-
-print "-- Drop all operators.\n";
-
-foreach my $op (@ops)
-{
- if ($op =~ /create operator ([^(]+)/i )
- {
- if ( $version ge "73" )
- {
- print "DROP OPERATOR $1 (geometry,geometry) CASCADE;\n";
- }
- else
- {
- print "DROP OPERATOR $1 (geometry,geometry);\n";
- }
- }
- else
- {
- die "Couldn't parse line: $op\n";
- }
-}
-
-
-print "-- Drop all casts.\n";
-
-foreach my $cast (@casts)
-{
- if ($cast =~ /create cast\s*\((.+?)\)/i )
- {
- print "DROP CAST ($1);\n";
- }
- else
- {
- die "Couldn't parse line: $cast\n";
- }
-}
-
-print "-- Drop all functions.\n";
-
-foreach my $fn (@funcs)
-{
- if ($fn =~ /.* function ([^(]+)\((.*)\)/i )
- {
- my $fn_nm = $1;
- my $fn_arg = $2;
-
- if ( $version ge "73" )
- {
- if ( ! ( $fn_nm =~ /_in/i || $fn_nm =~ /_out/i || $fn_nm =~ /_recv/i || $fn_nm =~ /_send/i || $fn_nm =~ /_analyze/i ) )
- {
- print "DROP FUNCTION $fn_nm ($fn_arg) CASCADE;\n";
- }
- }
- else
- {
- print "DROP FUNCTION $fn_nm ($fn_arg);\n";
- }
- }
- else
- {
- die "Couldn't parse line: $fn\n";
- }
-}
-
-print "-- Drop all types.\n";
-
-foreach my $type (@types)
-{
- if ($type =~ /create type ([^(]+)/i )
- {
- if ( $version ge "73" )
- {
- print "DROP TYPE $1 CASCADE;\n";
- }
- else
- {
- print "DROP TYPE $1;\n";
- }
- }
- else
- {
- die "Couldn't parse line: $type\n";
- }
-}
-
-print "-- Drop all tables.\n";
-print "DROP TABLE spatial_ref_sys;\n";
-print "DROP TABLE geometry_columns;\n";
-print "\n";
-
-print "COMMIT;\n";
-
-1;
-