hongbin ma created KYLIN-2574:
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Summary: RawQueryLastHacker should group by all possible dimensions
Key: KYLIN-2574
URL: https://issues.apache.org/jira/browse/KYLIN-2574
Project: Kylin
Issue Type: Bug
Reporter: hongbin ma
Assignee: hongbin ma
currently RawQueryLastHacker make the raw query group by columns existing in
query (if (tupleInfo.hasColumn(col))). The approach would fail to leverage
limit push down if the existing columns are not a "prefix" of row keys.
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