我正在使用
filesystem
连接器使用 TableAPI 以 parquet
格式将数据导入 S3。我观察到镶木地板文件中缺少 partitionedBy 列。以下是我正在使用的查询:
CREATE TABLE data_to_sink (
record_id STRING NOT NULL,
request_id STRING NOT NULL,
source_name STRING NOT NULL,
event_type STRING NOT NULL,
event_name STRING NOT NULL,
`date` STRING,
results_count BIGINT
) PARTITIONED BY (record_id, source_name, `date`) WITH (
'connector' = 'filesystem',
'path' = '<S3 path>',
'format' = 'parquet'
);
INSERT INTO data_to_sink
SELECT record_id, request_id, source_name, event_type, event_name,
DATE_FORMAT(TUMBLE_END(proc_time, INTERVAL '2' MINUTE), 'yyyy-MM-dd') AS record_date, COUNT(*) results_count
FROM data_from_source
GROUP BY record_id, request_id, source_name, event_type, event_name, TUMBLE(proc_time, INTERVAL '2' MINUTE);
我可以看到正在创建的 parquet 文件,但是当我使用
parquet-cli
工具验证架构时,架构不显示 record_id
、source_name
和 date
字段。我也去查了Flink的文档,但是没找到这方面的设置
这有什么已知的问题吗?
我通过克隆 record_id、source_name 列然后按这些列进行分区来解决这个问题。
CREATE TABLE data_to_sink (
record_id STRING NOT NULL,
request_id STRING NOT NULL,
source_name STRING NOT NULL,
event_type STRING NOT NULL,
event_name STRING NOT NULL,
`date` STRING,
results_count BIGINT,
recordId STRING,
sourceName STRING
) PARTITIONED BY (recordId, sourceName, `date`) WITH (
'connector' = 'filesystem',
'path' = '<S3 path>',
'format' = 'parquet'
);
INSERT INTO data_to_sink
SELECT record_id, request_id, source_name, event_type, event_name,
DATE_FORMAT(TUMBLE_END(proc_time, INTERVAL '2' MINUTE), 'yyyy-MM-dd') AS record_date, COUNT(*) results_count,
record_id AS recordId, source_name AS sourceName
FROM data_from_source
GROUP BY record_id, request_id, source_name, event_type, event_name, TUMBLE(proc_time, INTERVAL '2' MINUTE);