ElasticSearch返回空桶

返回空桶 發現在上面的響應中的奇怪之處了嗎？ Yep, that’s right. We are missing a few months! By default, the date_histogram (and histogram too) returns only buckets that have a nonzero document count. 是的，我們缺失了幾個月！默認情況下，dat

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