使用分区投影

以下示例显示了 Resolver 查询日志的 CREATE TABLE 语句，该语句使用分区投影并按 VPC 和日期进行分区。更多有关分区投影的信息，请参阅 将分区投影与 Amazon Athena 结合使用。

CREATE EXTERNAL TABLE r53_rlogs (
  version string,
  account_id string,
  region string,
  vpc_id string,
  query_timestamp string,
  query_name string,
  query_type string,
  query_class string,
  rcode string,
  answers array<
    struct<
      Rdata: string,
      Type: string,
      Class: string>
    >,
  srcaddr string,
  srcport int,
  transport string,
  srcids struct<
    instance: string,
    resolver_endpoint: string
    >,
  firewall_rule_action string,
  firewall_rule_group_id string,
  firewall_domain_list_id string
)
PARTITIONED BY (
`date` string,
`vpc` string
)
ROW FORMAT SERDE      'org.openx.data.jsonserde.JsonSerDe'
STORED AS INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat'
OUTPUTFORMAT          'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
LOCATION              's3://amzn-s3-demo-bucket/route53-query-logging/AWSLogs/aws_account_id/vpcdnsquerylogs/'
TBLPROPERTIES(
'projection.enabled' = 'true',
'projection.vpc.type' = 'enum',
'projection.vpc.values' = 'vpc-6446ae02',
'projection.date.type' = 'date',
'projection.date.range' = '2023/06/26,NOW',
'projection.date.format' = 'yyyy/MM/dd',
'projection.date.interval' = '1',
'projection.date.interval.unit' = 'DAYS',
'storage.location.template' = 's3://amzn-s3-demo-bucket/route53-query-logging/AWSLogs/aws_account_id/vpcdnsquerylogs/${vpc}/${date}/'
)