Cheng Lian created SPARK-6608:
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Summary: Make DataFrame.rdd a lazy val
Key: SPARK-6608
URL: https://issues.apache.org/jira/browse/SPARK-6608
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.3.0
Reporter: Cheng Lian
Priority: Minor
Before 1.3.0, {{SchemaRDD.id}} works as a unique identifier of each
{{SchemaRDD}}. In 1.3.0, unlike {{SchemaRDD}}, {{DataFrame}} is no longer an
RDD, and {{DataFrame.rdd}} is actually a function which always return a new RDD
instance. Making {{DataFrame.rdd}} a {{lazy val}} should bring the unique
identifier back.
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