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https://issues.apache.org/jira/browse/DRILL-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15671468#comment-15671468
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Gautam Kumar Parai commented on DRILL-5043:
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Thanks for creating the JIRA. Please see the following:
[1] on how to contribute to Drill.
[2] on how to create a custom UDF.
[3] on how to pass some param (sessionID in your case) to the UDF.
1. https://drill.apache.org/docs/contribute-to-drill/
2. https://drill.apache.org/docs/develop-custom-functions/
3. QueryContext.java. See how session.getDefaultSchemaName() is passed using
the QueryContextInformation.
> Function that returns a unique id per session/connection similar to MySQL's
> CONNECTION_ID()
> -------------------------------------------------------------------------------------------
>
> Key: DRILL-5043
> URL: https://issues.apache.org/jira/browse/DRILL-5043
> Project: Apache Drill
> Issue Type: Improvement
> Components: Functions - Drill
> Affects Versions: 1.8.0
> Reporter: Nagarajan Chinnasamy
> Labels: CONNECTION_ID, SESSION, UDF
>
> Design and implement a function that returns a unique id per
> session/connection similar to MySQL's CONNECTION_ID().
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