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elasticsearch - 弹性计算每个条目的更改次数？

问题描述

无论如何都要计算一个值在特定时间段内改变了多少次。

例如，我的索引中存储了以下信息。

Index Name Result TimeStamp
idx16   A    7     March 7th 2018, 16:17:35.000
idx16   A    7     March 7th 2018, 16:17:36.000
idx16   A    8     March 7th 2018, 16:17:37.000
idx16   A    7     March 7th 2018, 16:17:38.000
idx16   B    1     March 7th 2018, 16:17:35.000
idx16   B    2     March 7th 2018, 16:17:36.000
idx16   B    3     March 7th 2018, 16:17:37.000
idx16   B    7     March 7th 2018, 16:17:38.000
idx16   C    1     March 7th 2018, 16:17:35.000
idx16   C    1     March 7th 2018, 16:17:36.000
idx16   C    1     March 7th 2018, 16:17:37.000
idx16   C    1     March 7th 2018, 16:17:38.000

期望的结果是 A 变 2，B 变 3，C 变 0 次？

标签： elasticsearchlucene

解决方案

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