presto-main/src/main/java/io/prestosql/sql/analyzer/TypeSignatureTranslator.java/TypeSignatureTranslator/toSqlType
class TypeSignatureTranslator:    public static DataType toSqlType(Type type)
    {
        // TODO: convert Type -> TypeSignature and translate to DataType by walking the tree
        return PARSER.createType(type.getDisplayName());
    }