Github user ramkrish86 commented on the issue:
https://github.com/apache/flink/pull/3149
` Table result = tableEnv
.sql("SELECT test1.f1.q1, test1.f2.q2 FROM test1 where
test1.f1.q1 < 103");`
I just tried this query and it works with or without
ProjectableTableSource. So just wanted to know when does the projection come
into place. I thought without Projection things of this sort may not work.
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