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https://issues.apache.org/jira/browse/FLINK-27142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17563066#comment-17563066
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Timo Walther edited comment on FLINK-27142 at 7/6/22 9:09 AM:
--------------------------------------------------------------

The intention of the test_sql_client.sh was to test the two major kinds of 
pipelines:
- A append-only end-to-end potentially with time attributes
- A materializing / updating query

For both I needed some connectors. And esp. the latter was tricky because I 
would like to get the updates also applied. Ideally, we could have some 
built-in upserting debug sink that maybe writes into a file or std out when the 
job shutdown.

Update: I just saw that the PR uses a {{upsert-files}}, this is exactly what 
was missing in the past.


was (Author: twalthr):
The intention of the test_sql_client.sh was to test the two major kinds of 
pipelines:
- A append-only end-to-end potentially with time attributes
- A materializing / updating query

For both I needed some connectors. And esp. the latter was tricky because I 
would like to get the updates also applied. Ideally, we could have some 
built-in upserting debug sink that maybe writes into a file or std out when the 
job shutdown.

> Remove bash tests dependencies on the Elasticsearch connector.
> --------------------------------------------------------------
>
>                 Key: FLINK-27142
>                 URL: https://issues.apache.org/jira/browse/FLINK-27142
>             Project: Flink
>          Issue Type: Sub-task
>            Reporter: Alexander Fedulov
>            Assignee: Alexander Preuss
>            Priority: Major
>              Labels: pull-request-available
>
> Elasticsearch connector is used in test_quickstart.sh and test_sql_client.sh. 
> It is desirable to prevent such cyclic dependency and remove the connector 
> usage from within Flink.



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