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### What is this PR for? To increase logging in the application, so as it ### What type of PR is it? Refactoring ### Todos * [x] - replace all printStackTrace() to LOGGER.error * [x] - all catch block that doesn't throw exception, should have logging ### Is there a relevant Jira issue? Yes, ZEPPELIN-541 ### Screenshots (if appropriate) N/A Author: Prabhjyot Singh <prabhjyotsingh@gmail.com> Closes #579 from prabhjyotsingh/increaseLogging and squashes the following commits: |
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PostgreSQL, HAWQ and Greenplum Interpreter for Apache Zeppelin
This interpreter supports the following SQL engines:
- PostgreSQL - OSS, Object-relational database management system (ORDBMS)
- Apache HAWQ - Powerful Open Source SQL-On-Hadoop engine.
- Greenplum - MPP database built on open source PostgreSQL.
The official documentation: PostgreSQL, HAWQ