Fennel: LhxJoinExecStreamParams Struct Reference (original) (raw)

Initial stats provided by the optimizer for resource allocation.

cndKeys: key cardinality of the initial built input chosen by the optimizer. For Hash Aggregate, this is the estimated number of groups. If MAXU, the stat is unknown.

Definition at line 69 of file LhxJoinExecStream.h.

Referenced by LhxJoinExecStream::setHashInfo(), LhxJoinExecStreamTest::testImpl(), and ExecStreamFactory::visit().