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Posted to issues@drill.apache.org by "Cheolgoo Kang (JIRA)" <ji...@apache.org> on 2018/09/10 17:03:00 UTC
[jira] [Created] (DRILL-6738) validationQuery option for JDBC
storage plugin
Cheolgoo Kang created DRILL-6738:
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Summary: validationQuery option for JDBC storage plugin
Key: DRILL-6738
URL: https://issues.apache.org/jira/browse/DRILL-6738
Project: Apache Drill
Issue Type: Improvement
Components: Storage - JDBC
Affects Versions: 1.14.0
Environment: Apache Drill version 1.14.0 running on CentOS 7.0.1406.
MySQL version 5.5.43 running on CentOS 6.4.
MySQL connector/j version 5.1.44.
Reporter: Cheolgoo Kang
Currently JDBC storage plugin uses DBCP2 for the connection pooling, but it wouldn't validate the connection's still available or not, and it'd just spit the connection lost error.
We should be able to have a validationQuery option described in [here|https://commons.apache.org/proper/commons-dbcp/configuration.html] in Drill's JDBC storage plugin configuration.
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