godfreyhe commented on a change in pull request #13299:
URL: https://github.com/apache/flink/pull/13299#discussion_r504660985
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/plan/metadata/FlinkRelMdUniqueKeysTest.scala
##########
@@ -70,6 +70,16 @@ class FlinkRelMdUniqueKeysTest extends
FlinkRelMdHandlerTestBase {
assertEquals(uniqueKeys(Array(0)), mq.getUniqueKeys(logicalFilter).toSet)
}
+ @Test
+ def testGetUniqueKeysOnWatermark(): Unit = {
+ assertEquals(uniqueKeys(Array(0)),
mq.getUniqueKeys(logicalWatermarkAssigner).toSet)
+ }
+
+ @Test
+ def testGetUniqueKeysOnRowtimeDeduplicate(): Unit = {
Review comment:
move this close to `testGetUniqueKeysOnStreamExecDeduplicate` method
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/rules/logical/LogicalCorrelateToJoinFromTemporalTableRule.scala
##########
@@ -17,19 +17,32 @@
*/
package org.apache.flink.table.planner.plan.rules.logical
-import
org.apache.flink.table.planner.plan.nodes.physical.stream.{StreamExecLookupJoin,
StreamExecTemporalJoin}
-
import org.apache.calcite.plan.RelOptRule.{any, operand}
+import org.apache.calcite.plan.hep.{HepPlanner, HepRelVertex}
import org.apache.calcite.plan.{RelOptRule, RelOptRuleCall, RelOptRuleOperand}
import org.apache.calcite.rel.RelNode
-import org.apache.calcite.rel.logical.{LogicalCorrelate, LogicalFilter,
LogicalSnapshot}
-import org.apache.calcite.rex.{RexCorrelVariable, RexFieldAccess, RexInputRef,
RexNode, RexShuttle}
+import org.apache.calcite.rel.core.TableScan
+import org.apache.calcite.rel.logical._
+import org.apache.calcite.rex._
+
+import org.apache.flink.table.api.ValidationException
+import org.apache.flink.table.connector.source.LookupTableSource
+import
org.apache.flink.table.planner.calcite.FlinkTypeFactory.isRowtimeIndicatorType
+import
org.apache.flink.table.planner.plan.nodes.logical.{FlinkLogicalLegacyTableSourceScan,
FlinkLogicalTableSourceScan}
+import
org.apache.flink.table.planner.plan.nodes.physical.stream.{StreamExecLookupJoin,
StreamExecTemporalJoin}
+import org.apache.flink.table.planner.plan.schema.{LegacyTableSourceTable,
TableSourceTable, TimeIndicatorRelDataType}
+import org.apache.flink.table.planner.plan.utils.TemporalJoinUtil
+import org.apache.flink.table.sources.LookupableTableSource
+
+import scala.collection.JavaConversions._
+import scala.collection.JavaConverters._
/**
* The initial temporal table join (FOR SYSTEM_TIME AS OF) is a Correlate,
rewrite it into a Join
* to make join condition can be pushed-down. The join will be translated into
- * [[StreamExecLookupJoin]] in physical and might be translated into
[[StreamExecTemporalJoin]]
- * in the future.
+ * [[StreamExecLookupJoin]] in physical or translated into
[[StreamExecTemporalJoin]].
Review comment:
The join will be translated into [[StreamExecLookupJoin]] or
[[StreamExecTemporalJoin]] in physical.
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