forked from apache/flink
-
Notifications
You must be signed in to change notification settings - Fork 2
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Migrate BatchPhysicalConstantTableFunctionScanRule to Java
- Loading branch information
Showing
4 changed files
with
128 additions
and
84 deletions.
There are no files selected for viewing
126 changes: 126 additions & 0 deletions
126
...k/table/planner/plan/rules/physical/batch/BatchPhysicalConstantTableFunctionScanRule.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.apache.flink.table.planner.plan.rules.physical.batch; | ||
|
|
||
| import org.apache.flink.table.planner.plan.nodes.FlinkConventions; | ||
| import org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalTableFunctionScan; | ||
| import org.apache.flink.table.planner.plan.nodes.physical.batch.BatchPhysicalCorrelate; | ||
| import org.apache.flink.table.planner.plan.nodes.physical.batch.BatchPhysicalValues; | ||
|
|
||
| import com.google.common.collect.ImmutableList; | ||
| import org.apache.calcite.plan.RelOptCluster; | ||
| import org.apache.calcite.plan.RelOptRuleCall; | ||
| import org.apache.calcite.plan.RelRule; | ||
| import org.apache.calcite.plan.RelTraitSet; | ||
| import org.apache.calcite.rel.core.JoinRelType; | ||
| import org.apache.calcite.rex.RexUtil; | ||
| import org.immutables.value.Value; | ||
|
|
||
| import scala.Option; | ||
|
|
||
| /** | ||
| * Converts [[FlinkLogicalTableFunctionScan]] with constant RexCall to {{{ | ||
| * [[BatchPhysicalCorrelate]] / \ empty [[BatchPhysicalValuesRule]] | ||
| * [[FlinkLogicalTableFunctionScan]] }}}. | ||
| * | ||
| * <p>Add the rule to support select from a UDF directly, such as the following SQL: SELECT * FROM | ||
| * LATERAL TABLE(func()) as T(c) | ||
| * | ||
| * <p>Note: [[BatchPhysicalCorrelateRule]] is responsible for converting a reasonable physical plan | ||
| * for the normal correlate query, such as the following SQL: example1: SELECT * FROM T, LATERAL | ||
| * TABLE(func()) as T(c) example2: SELECT a, c FROM T, LATERAL TABLE(func(a)) as T(c) | ||
| */ | ||
| @Value.Enclosing | ||
| public class BatchPhysicalConstantTableFunctionScanRule | ||
| extends RelRule< | ||
| BatchPhysicalConstantTableFunctionScanRule | ||
| .BatchPhysicalConstantTableFunctionScanRuleConfig> { | ||
|
|
||
| /** | ||
| * Creates a RelRule. | ||
| * | ||
| * @param config | ||
| */ | ||
| protected BatchPhysicalConstantTableFunctionScanRule( | ||
| BatchPhysicalConstantTableFunctionScanRuleConfig config) { | ||
| super(config); | ||
| } | ||
|
|
||
| public boolean matches(RelOptRuleCall call) { | ||
| FlinkLogicalTableFunctionScan scan = call.rel(0); | ||
| return RexUtil.isConstant(scan.getCall()) && scan.getInputs().isEmpty(); | ||
| } | ||
|
|
||
| public void onMatch(RelOptRuleCall call) { | ||
| FlinkLogicalTableFunctionScan scan = call.rel(0); | ||
|
|
||
| // create correlate left | ||
| RelOptCluster cluster = scan.getCluster(); | ||
| RelTraitSet traitSet = | ||
| call.getPlanner().emptyTraitSet().replace(FlinkConventions.BATCH_PHYSICAL()); | ||
| BatchPhysicalValues values = | ||
| new BatchPhysicalValues( | ||
| cluster, | ||
| traitSet, | ||
| ImmutableList.of(), | ||
| cluster.getTypeFactory() | ||
| .createStructType(ImmutableList.of(), ImmutableList.of())); | ||
|
|
||
| BatchPhysicalCorrelate correlate = | ||
| new BatchPhysicalCorrelate( | ||
| cluster, | ||
| traitSet, | ||
| values, | ||
| scan, | ||
| Option.empty(), | ||
| scan.getRowType(), | ||
| JoinRelType.INNER); | ||
| call.transformTo(correlate); | ||
| } | ||
|
|
||
| /** Configuration for {@link BatchPhysicalConstantTableFunctionScanRule}. */ | ||
| @Value.Immutable(singleton = false) | ||
| public interface BatchPhysicalConstantTableFunctionScanRuleConfig extends RelRule.Config { | ||
| BatchPhysicalConstantTableFunctionScanRule.BatchPhysicalConstantTableFunctionScanRuleConfig | ||
| DEFAULT = | ||
| ImmutableBatchPhysicalConstantTableFunctionScanRule | ||
| .BatchPhysicalConstantTableFunctionScanRuleConfig.builder() | ||
| .build() | ||
| .withOperandSupplier( | ||
| b0 -> | ||
| b0.operand(FlinkLogicalTableFunctionScan.class) | ||
| .anyInputs()) | ||
| .withDescription("BatchPhysicalConstantTableFunctionScanRule") | ||
| .as( | ||
| BatchPhysicalConstantTableFunctionScanRule | ||
| .BatchPhysicalConstantTableFunctionScanRuleConfig | ||
| .class); | ||
|
|
||
| @Override | ||
| default BatchPhysicalConstantTableFunctionScanRule toRule() { | ||
| return new BatchPhysicalConstantTableFunctionScanRule(this); | ||
| } | ||
| } | ||
|
|
||
| /** Holder for BatchPhysicalConstantTableFunctionScanRule. */ | ||
| public static class BatchPhysicalConstantTableFunctionScanRuleHolder { | ||
| public static final BatchPhysicalConstantTableFunctionScanRule INSTANCE = | ||
| BatchPhysicalConstantTableFunctionScanRuleConfig.DEFAULT.toRule(); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
82 changes: 0 additions & 82 deletions
82
.../table/planner/plan/rules/physical/batch/BatchPhysicalConstantTableFunctionScanRule.scala
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters