Youssef Hatem created SPARK-6320:
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Summary: Extending SparkSQL Strategy
Key: SPARK-6320
URL: https://issues.apache.org/jira/browse/SPARK-6320
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.3.0
Reporter: Youssef Hatem
Priority: Minor
Hi,
I would like to add a new strategy to {{SQLContext}}. To do this I created a
new class which extends {{Strategy}}. In my new class I need to call
{{planLater}} function. However this method is defined in {{SparkPlanner}}
(which itself inherits the method from {{QueryPlanner}}).
To my knowledge the only way to make {{planLater}} function visible to my new
strategy is to define my strategy inside another class that extends
{{SparkPlanner}} and inherits {{planLater}} as a result, by doing so I will
have to extend the {{SQLContext}} such that I can override the {{planner}}
field with the new {{Planner}} class I created.
It seems that this is a design problem because adding a new strategy seems to
require extending {{SQLContext}} (unless I am doing it wrong and there is a
better way to do it).
Thanks a lot,
Youssef
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