# Join Statements

**URL:** https://discuss.elastic.co/t/join-statements/226550
**Category:** Elasticsearch
**Created:** [April 5, 2020, 6:53am UTC](https://discuss.elastic.co/t/join-statements/226550 "2020-04-05T06:53:39Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Vijayakumar\_Kannan](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vijayakumar_kannan/32/34873_2.png) [@Vijayakumar\_Kannan](https://discuss.elastic.co/u/Vijayakumar_Kannan)
#### Post date: [April 5, 2020, 6:53am UTC](https://discuss.elastic.co/t/join-statements/226550/1 "2020-04-05T06:53:39Z")

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i have a log file . in which first line shows client login activity second line show file transfer activity. Common for both lines are pid. How to join based on pid field?

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [April 5, 2020, 8:05pm UTC](https://discuss.elastic.co/t/join-statements/226550/2 "2020-04-05T20:05:58Z")

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Elasticsearch does not support joins so this is likely something you want to join up before you ingest the data into Elasticsearch.

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [May 3, 2020, 8:05pm UTC](https://discuss.elastic.co/t/join-statements/226550/3 "2020-05-03T20:05:58Z")

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