presto-hive/src/main/java/io/prestosql/plugin/hive/CachingDirectoryLister.java/CachingDirectoryLister/parseTableName
class CachingDirectoryLister:    private static SchemaTablePrefix parseTableName(String tableName)
    {
        if (tableName.equals("*")) {
            return new SchemaTablePrefix();
        }
        String[] parts = tableName.split("\\.");
        checkArgument(parts.length == 2, "Invalid schemaTableName: %s", tableName);
        String schema = parts[0];
        String table = parts[1];
        if (table.equals("*")) {
            return new SchemaTablePrefix(schema);
        }
        return new SchemaTablePrefix(schema, table);
    }