ICU doesn't support some server encodings, so we need to exclude them
if a non-supported encoding was set up.
my $supports_lz4 = check_pg_config("#define USE_LZ4 1");
my $supports_gzip = check_pg_config("#define HAVE_LIBZ 1");
+# ICU doesn't work with some encodings
+my $encoding = $node->safe_psql('postgres', 'show server_encoding');
+$supports_icu = 0 if $encoding eq 'SQL_ASCII';
+
# Create additional databases for mutations of schema public
$node->psql('postgres', 'create database regress_pg_dump_test;');
$node->psql('postgres', 'create database regress_public_owner;');