Yin Huai created SPARK-11042:
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Summary: Introduce a mechanism to ban creating new root
SQLContexts in a JVM
Key: SPARK-11042
URL: https://issues.apache.org/jira/browse/SPARK-11042
Project: Spark
Issue Type: New Feature
Components: SQL
Reporter: Yin Huai
Assignee: Yin Huai
For some use cases, it will be useful to explicitly ban creating multiple root
SQLContexts/HiveContexts. At here root SQLContext means the first SQLContext
that gets created.
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