# About DB listener / Logstash

**URL:** <https://discuss.elastic.co/t/about-db-listener-logstash/211095>\
**Category:** Logstash\
**Tags:** elastic-stack-sql\
**Created:** [December 9, 2019, 10:55am UTC](https://discuss.elastic.co/t/about-db-listener-logstash/211095 "2019-12-09T10:55:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![eogredici](https://avatars.discourse-cdn.com/v4/letter/e/97f17d/32.png) [@eogredici](https://discuss.elastic.co/u/eogredici)\
**Post date:** [December 9, 2019, 10:55am UTC](https://discuss.elastic.co/t/about-db-listener-logstash/211095/1 "2019-12-09T10:55:48Z")

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Hi,  
i want to create a new db listener with join sql and also 2 tables have a same column name.  
Column names get mixed up when I try to create a new index in Kibana.

i don't want to use the alias for column name.  
Logstash itself can't edit column names?

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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:** [January 6, 2020, 10:55am UTC](https://discuss.elastic.co/t/about-db-listener-logstash/211095/2 "2020-01-06T10:55:57Z")

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