1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/intarray/bench/create_test.pl b/contrib/intarray/bench/create_test.pl
new file mode 100755
index 0000000..993a457
--- /dev/null
+++ b/contrib/intarray/bench/create_test.pl
@@ -0,0 +1,91 @@
+#!/usr/bin/perl
+
+# Copyright (c) 2021, PostgreSQL Global Development Group
+
+# contrib/intarray/bench/create_test.pl
+
+use strict;
+use warnings;
+
+print <<EOT;
+create table message (
+	mid	int not null,
+	sections	int[]
+);
+create table message_section_map (
+	mid	int not null,
+	sid	int not null
+);
+
+EOT
+
+open(my $msg, '>', "message.tmp")             || die;
+open(my $map, '>', "message_section_map.tmp") || die;
+
+srand(1);
+
+#foreach my $i ( 1..1778 ) {
+#foreach my $i ( 1..3443 ) {
+#foreach my $i ( 1..5000 ) {
+#foreach my $i ( 1..29362 ) {
+#foreach my $i ( 1..33331 ) {
+#foreach my $i ( 1..83268 ) {
+foreach my $i (1 .. 200000)
+{
+	my @sect;
+	if (rand() < 0.7)
+	{
+		$sect[0] = int((rand()**4) * 100);
+	}
+	else
+	{
+		my %hash;
+		@sect =
+		  grep { $hash{$_}++; $hash{$_} <= 1 }
+		  map { int((rand()**4) * 100) } 0 .. (int(rand() * 5));
+	}
+	if ($#sect < 0 || rand() < 0.1)
+	{
+		print $msg "$i\t\\N\n";
+	}
+	else
+	{
+		print $msg "$i\t{" . join(',', @sect) . "}\n";
+		map { print $map "$i\t$_\n" } @sect;
+	}
+}
+close $map;
+close $msg;
+
+copytable('message');
+copytable('message_section_map');
+
+print <<EOT;
+
+CREATE unique index message_key on message ( mid );
+--CREATE unique index message_section_map_key1 on message_section_map ( mid, sid );
+CREATE unique index message_section_map_key2 on message_section_map ( sid, mid );
+CREATE INDEX message_rdtree_idx on message using gist ( sections gist__int_ops );
+VACUUM ANALYZE;
+
+select count(*) from message;
+select count(*) from message_section_map;
+
+
+
+EOT
+
+
+unlink 'message.tmp', 'message_section_map.tmp';
+
+sub copytable
+{
+	my $t = shift;
+
+	print "COPY $t from stdin;\n";
+	open(my $fff, '<', "$t.tmp") || die;
+	while (<$fff>) { print; }
+	close $fff;
+	print "\\.\n";
+	return;
+}