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Yury Gerzhedovich updated IGNITE-13919: --------------------------------------- Labels: calcite2-required calcite3-required (was: ) > Calcite integration. Single group aggregates > -------------------------------------------- > > Key: IGNITE-13919 > URL: https://issues.apache.org/jira/browse/IGNITE-13919 > Project: Ignite > Issue Type: Improvement > Components: sql > Reporter: Taras Ledkov > Priority: Major > Labels: calcite2-required, calcite3-required > > Investigate the optimization for single group aggregates, > e.g.: {{SELECT <aggregates> FROM <table>}} > Now the hash based aggregates are used for this case. > We can obtain a little performance improvement. > Also the special cases (e.g.: {{SELECT COUNT(<any-columns>) FROM <table>}}) > may be optimized to use table/cache size. -- This message was sent by Atlassian Jira (v8.3.4#803005)