为什么下面的查询没有返回结果?

问题描述 投票:-2回答:1

SQL查询可在此链接上找到https://cloud.google.com/kubernetes-engine/docs/how-to/cluster-usage-metering#expandable-1-label

即使Billing数据集和表格以及GKE使用情况计量数据集和表格都没有问题。

SELECT
  resource_usage.cluster_name,
  resource_usage.cluster_location,
  resource_usage.namespace,
  resource_usage.resource_name,
  resource_usage.sku_id,
  MIN(resource_usage.start_time) AS usage_start_time,
  MAX(resource_usage.end_time) AS usage_end_time,
  SUM(resource_usage.usage.amount * gcp_billing_export.rate) AS cost
FROM
  'cluster-gcp-project.usage-metering-dataset.gke_cluster_resource_usage' AS resource_usage
LEFT JOIN (
  SELECT
    sku.id AS sku_id,
    SUM(cost) / SUM(usage.amount) AS rate,
    MIN(usage_start_time) AS min_usage_start_time,
    MAX(usage_end_time) AS max_usage_end_time
  FROM
    'cluster-gcp-project.billing-dataset.billing-table'
  WHERE
    project.id = "cluster-gcp-project"
  GROUP BY
    sku_id) AS gcp_billing_export
ON
  resource_usage.sku_id = gcp_billing_export.sku_id
WHERE
  resource_usage.start_time >= gcp_billing_export.min_usage_start_time
  AND resource_usage.end_time <= gcp_billing_export.max_usage_end_time
GROUP BY
  resource_usage.cluster_name,
  resource_usage.cluster_location,
  resource_usage.namespace,
  resource_usage.resource_name,
  resource_usage.sku_id
sql google-cloud-platform google-bigquery google-kubernetes-engine
1个回答
0
投票

我发现了一个问题,就是那个查询中的WHERE条件

WHERE
  resource_usage.start_time >= gcp_billing_export.min_usage_start_time
  AND resource_usage.end_time <= gcp_billing_export.max_usage_end_time

如您所见,以下条件失败,因此不会返回任何结果。

FYI,逻辑是检查并验证两个不同表的开始时间和结束时间并返回值。

感谢大家的回应。

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