hequn8128 commented on a change in pull request #11051:
[FLINK-15961][table-planner][table-planner-blink] Introduce Python Physical
Correlate RelNodes which are containers for Python TableFunction
URL: https://github.com/apache/flink/pull/11051#discussion_r379240935
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/nodes/physical/batch/BatchExecCorrelate.scala
##########
@@ -18,30 +18,19 @@
package org.apache.flink.table.planner.plan.nodes.physical.batch
import org.apache.flink.api.dag.Transformation
-import org.apache.flink.runtime.operators.DamBehavior
import org.apache.flink.table.dataformat.BaseRow
import org.apache.flink.table.planner.codegen.{CodeGeneratorContext,
CorrelateCodeGenerator}
import org.apache.flink.table.planner.delegation.BatchPlanner
-import org.apache.flink.table.planner.functions.utils.TableSqlFunction
-import org.apache.flink.table.planner.plan.`trait`.{FlinkRelDistribution,
FlinkRelDistributionTraitDef, TraitUtil}
-import org.apache.flink.table.planner.plan.nodes.exec.{BatchExecNode, ExecNode}
import
org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalTableFunctionScan
-import org.apache.flink.table.planner.plan.utils.RelExplainUtil
-import org.apache.calcite.plan.{RelOptCluster, RelOptRule, RelTraitSet}
+import org.apache.calcite.plan.{RelOptCluster, RelTraitSet}
import org.apache.calcite.rel.`type`.RelDataType
import org.apache.calcite.rel.core.{Correlate, JoinRelType}
-import org.apache.calcite.rel.{RelCollationTraitDef, RelDistribution,
RelFieldCollation, RelNode, RelWriter, SingleRel}
-import org.apache.calcite.rex.{RexCall, RexInputRef, RexNode, RexProgram}
-import org.apache.calcite.sql.SqlKind
-import org.apache.calcite.util.mapping.{Mapping, MappingType, Mappings}
-
-import java.util
-
-import scala.collection.JavaConversions._
+import org.apache.calcite.rel.RelNode
+import org.apache.calcite.rex.{RexNode, RexProgram}
/**
- * Batch physical RelNode for [[Correlate]] (user defined table function).
+ * Batch physical RelNode for [[Correlate]] (Java user defined table
function).
Review comment:
Java => Java/Scala ?
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