Deron Eriksson created SYSTEMML-1280:
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Summary: Restore and deprecate SQLContext methods
Key: SYSTEMML-1280
URL: https://issues.apache.org/jira/browse/SYSTEMML-1280
Project: SystemML
Issue Type: Task
Components: APIs, Runtime
Reporter: Deron Eriksson
Assignee: Deron Eriksson
SYSTEMML-1194 replaced SQLContext with SparkSession in SystemML for Spark 2.1.0
since SQLContext is deprecated.
Restore the old Java SQLContext method signatures in case any users are using
SystemML methods and are unable to use SparkSessions (SparkSessions are
generally easy to create, as described in
https://databricks.com/blog/2016/08/15/how-to-use-sparksession-in-apache-spark-2-0.html)
Classes where this applies:
old MLContext class (whole class is deprecated)
old MLMatrix class (whole class is deprecated)
old MLOutput class (whole class is deprecated)
FrameRDDConverterUtils (this is a non-API class)
RDDConverterUtils (this is a non-API class)
RDDConverterUtilsExt (this is a non-API class)
In non-API classes, these SQLContext methods should be marked as deprecated and
removed in a future version of SystemML (1.0) since SparkSessions should be
used with Spark 2. See
https://databricks.com/blog/2016/08/15/how-to-use-sparksession-in-apache-spark-2-0.html
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