How to remove the null entries after a leftOuterJoin?

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So lets say, we have two RDDs, A and B and I do the following.

C = A.leftOuterJoin(B)

If A has for example 97 elements and B 200 elements, in this case C would still have 200 elements I suppose. How can I remove the null entries from C, and make its size 97?

asked 39 secs ago

MetallicPriest

6,639

How to remove the null entries after a leftOuterJoin?