Github user viirya commented on the issue:
https://github.com/apache/spark/pull/13439
I see. My question is, as for example we create 2 column vectors, one is
constant and one is not. Because we will not re-use the column vectors, so
their constant flag is fixed and not changed. As they are two different
instances, will the problem you said happen? When `getInt` of first vector
(constant) is called and later `getInt` of the second (not constant) is
called, the performance will be down?
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