Github user sunjincheng121 commented on a diff in the pull request: https://github.com/apache/flink/pull/3547#discussion_r106193738 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamOverAggregate.scala --- @@ -17,34 +17,38 @@ */ package org.apache.flink.table.plan.nodes.datastream -import org.apache.calcite.plan.{RelOptCluster, RelTraitSet} +import org.apache.calcite.plan.{ RelOptCluster, RelTraitSet } import org.apache.calcite.rel.`type`.RelDataType import org.apache.calcite.rel.core.AggregateCall -import org.apache.calcite.rel.{RelNode, RelWriter, SingleRel} +import org.apache.calcite.rel.{ RelNode, RelWriter, SingleRel } import org.apache.flink.api.java.typeutils.RowTypeInfo import org.apache.flink.streaming.api.datastream.DataStream -import org.apache.flink.table.api.{StreamTableEnvironment, TableException} +import org.apache.flink.table.api.{ StreamTableEnvironment, TableException } import org.apache.flink.table.calcite.FlinkTypeFactory import org.apache.flink.table.runtime.aggregate._ import org.apache.flink.table.plan.nodes.OverAggregate import org.apache.flink.types.Row import org.apache.calcite.rel.core.Window import org.apache.calcite.rel.core.Window.Group -import java.util.{List => JList} +import java.util.{ List => JList } import org.apache.flink.table.functions.{ProcTimeType, RowTimeType} import org.apache.flink.table.runtime.aggregate.AggregateUtil.CalcitePair +import org.apache.calcite.sql.`type`.BasicSqlType +import org.apache.flink.streaming.api.functions.windowing.WindowFunction +import org.apache.flink.streaming.api.windowing.windows.GlobalWindow +import org.apache.flink.api.java.tuple.Tuple class DataStreamOverAggregate( - logicWindow: Window, - cluster: RelOptCluster, - traitSet: RelTraitSet, - inputNode: RelNode, - rowRelDataType: RelDataType, - inputType: RelDataType) - extends SingleRel(cluster, traitSet, inputNode) - with OverAggregate - with DataStreamRel { + logicWindow: Window, + cluster: RelOptCluster, + traitSet: RelTraitSet, + inputNode: RelNode, + rowRelDataType: RelDataType, + inputType: RelDataType) + extends SingleRel(cluster, traitSet, inputNode) --- End diff -- Indent 2 space.
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