Richard W. Eggert II created SPARK-18466:
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Summary: Missing withFilter method causes warnings when using for
comprehensions
Key: SPARK-18466
URL: https://issues.apache.org/jira/browse/SPARK-18466
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.0.2, 2.0.1, 2.0.0, 1.6.3, 1.6.2, 1.6.1, 1.6.0, 1.5.2,
1.5.1, 1.5.0, 1.4.1, 1.4.0
Reporter: Richard W. Eggert II
Priority: Minor
The fact that the RDD class has a `filter` method but not a `withFilter` method
results in compiler warnings when using RDDs in `for` comprehensions. As of
Scala 2.12, falling back to use of `filter` is no longer supported, so `for`
comprehensions that use filters will no longer compile. Semantically, the only
difference between `withFilter` and `filter` is that `withFilter` is lazy, and
since RDDs are lazy by nature, one can simply be aliased to the other.
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