遇到错误

当我执行以下 GROUP BY 子句时：

SELECT month,title,country,director,sum(sum_taps),avg(viewing) FROM taps GROUP BY month,director;

我检索了以下错误：

SyntaxException: <Error from server: code=2000 [Syntax error in CQL query] message="line 1:78 no viable alternative at input 'GROUP' (...),avg(viewing) FROM [taps] GROUP...)">

如何创建表格

通过以下方式创建表：

CREATE TABLE taps (Month text,Title text,Country text,Director text,Viewing float,sum_taps float,PRIMARY KEY (Month,Title,Country,Director));

已从具有六列的CSV文件导入数据的地方： 月份，职务，导演，国家/地区，viewing_percentage和total_viewings 。 我提供的名称与列名称不匹配，因此更易于理解。此文件与在特定月份为某些客户购买的电影有关。我们必须对观看统计信息进行分析。

表格说明

描述表输出：

CREATE TABLE assignment.taps (
    month text,title text,country text,director text,viewing float,PRIMARY KEY (month,director)
) WITH CLUSTERING ORDER BY (title ASC,country ASC,director ASC)
    AND bloom_filter_fp_chance = 0.01
    AND caching = {'keys': 'ALL','rows_per_partition': 'NONE'}
    AND comment = ''
    AND compaction = {'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy','max_threshold': '32','min_threshold': '4'}
    AND compression = {'chunk_length_in_kb': '64','class': 'org.apache.cassandra.io.compress.LZ4Compressor'}
    AND crc_check_chance = 1.0
    AND dclocal_read_repair_chance = 0.1
    AND default_time_to_live = 0
    AND gc_grace_seconds = 864000
    AND max_index_interval = 2048
    AND memtable_flush_period_in_ms = 0
    AND min_index_interval = 128
    AND read_repair_chance = 0.0
    AND speculative_retry = '99PERCENTILE';

关于我可能做错了什么的任何想法？

预先感谢