[ https://issues.apache.org/jira/browse/IGNITE-18464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Evgeny Stanilovsky reassigned IGNITE-18464: ------------------------------------------- Assignee: Evgeny Stanilovsky > Sql. Colocated sort aggregates need to compose a plans with additional sort > if no appropriate index is available. > ------------------------------------------------------------------------------------------------------------------ > > Key: IGNITE-18464 > URL: https://issues.apache.org/jira/browse/IGNITE-18464 > Project: Ignite > Issue Type: Improvement > Components: sql > Affects Versions: 3.0.0-beta1 > Reporter: Evgeny Stanilovsky > Assignee: Evgeny Stanilovsky > Priority: Major > Labels: calcite, ignite-3 > > For now requests like : > {noformat} > SELECT COUNT(DISTINCT val0) FROM test{noformat} > Can`t be planned through SortAggregates, > ("ColocatedHashAggregateConverterRule", > "MapReduceHashAggregateConverterRule") - need to be disabled. > But seems we need to obtain smth like : > {noformat} > IgniteProject > IgniteReduceSortAggregate > IgniteExchange > IgniteMapSortAggregate > IgniteSort <-? > IgniteTableScan{noformat} > Seems map aggregate not require sorted input or smth about it. -- This message was sent by Atlassian Jira (v8.20.10#820010)