presto-redis/src/main/java/io/prestosql/plugin/redis/RedisInternalFieldDescription.java/RedisInternalFieldDescription/forColumnName
class RedisInternalFieldDescription:    public static RedisInternalFieldDescription forColumnName(String columnName)
    {
        RedisInternalFieldDescription description = BY_COLUMN_NAME.get(columnName);
        checkArgument(description != null, "Unknown internal column name %s", columnName);
        return description;
    }