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/*
* 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.drill.exec.planner.index;
import org.apache.drill.shaded.guava.com.google.common.collect.Lists;
import org.apache.calcite.plan.RelOptRuleCall;
import org.apache.calcite.rel.RelCollation;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.rex.RexNode;
import org.apache.drill.common.expression.LogicalExpression;
import org.apache.drill.common.expression.SchemaPath;
import org.apache.drill.exec.physical.base.AbstractDbGroupScan;
import org.apache.drill.exec.physical.base.DbGroupScan;
import org.apache.drill.exec.planner.common.DrillProjectRelBase;
import org.apache.drill.exec.planner.common.DrillScanRelBase;
import org.apache.drill.exec.planner.physical.ProjectPrel;
import org.apache.drill.exec.planner.physical.FilterPrel;
import org.apache.drill.exec.planner.physical.ScanPrel;
import org.apache.drill.exec.planner.common.OrderedRel;
import org.apache.drill.exec.planner.physical.ExchangePrel;
import org.apache.drill.exec.planner.physical.HashToRandomExchangePrel;
import org.apache.drill.exec.planner.physical.DrillDistributionTrait.DistributionField;
import java.util.Collections;
import java.util.List;
import java.util.Set;
public class IndexPhysicalPlanCallContext implements IndexCallContext {
final public RelOptRuleCall call;
final public OrderedRel sort;
final public ProjectPrel upperProject;
final public FilterPrel filter;
final public ProjectPrel lowerProject;
final public ScanPrel scan;
final public ExchangePrel exch;
final public String indexHint;
public Set<LogicalExpression> leftOutPathsInFunctions;
public IndexableExprMarker origMarker;
public List<LogicalExpression> sortExprs;
public RexNode origPushedCondition;
public IndexPhysicalPlanCallContext(RelOptRuleCall call,
ProjectPrel capProject,
FilterPrel filter,
ProjectPrel project,
ScanPrel scan) {
this(call, null, capProject, filter, project, scan, null);
}
public IndexPhysicalPlanCallContext(RelOptRuleCall call,
OrderedRel sort,
ProjectPrel capProject,
FilterPrel filter,
ProjectPrel project,
ScanPrel scan, ExchangePrel exch) {
this.call = call;
this.sort = sort;
this.upperProject = capProject;
this.filter = filter;
this.lowerProject = project;
this.scan = scan;
this.exch = exch;
this.indexHint = ((DbGroupScan)this.scan.getGroupScan()).getIndexHint();
}
public IndexPhysicalPlanCallContext(RelOptRuleCall call,
OrderedRel sort,
ProjectPrel project,
ScanPrel scan, ExchangePrel exch) {
this.call = call;
this.sort = sort;
this.upperProject = null;
this.filter = null;
this.lowerProject = project;
this.scan = scan;
this.exch = exch;
this.indexHint = ((DbGroupScan)this.scan.getGroupScan()).getIndexHint();
}
public DbGroupScan getGroupScan() {
return (DbGroupScan) scan.getGroupScan();
}
public DrillScanRelBase getScan() {
return scan;
}
public List<RelCollation> getCollationList() {
if (sort != null) {
return sort.getCollationList();
}
return null;
}
public RelCollation getCollation() {
if (sort != null) {
return sort.getCollation();
}
return null;
}
public boolean hasLowerProject() {
return lowerProject != null;
}
public boolean hasUpperProject() {
return upperProject != null;
}
public RelOptRuleCall getCall() {
return call;
}
public Set<LogicalExpression> getLeftOutPathsInFunctions() {
return leftOutPathsInFunctions;
}
public RelNode getFilter() {
return filter;
}
public IndexableExprMarker getOrigMarker() {
return origMarker;
}
public List<LogicalExpression> getSortExprs() {
return sortExprs;
}
public DrillProjectRelBase getLowerProject() {
return lowerProject;
}
public DrillProjectRelBase getUpperProject() {
return upperProject;
}
public void setLeftOutPathsInFunctions(Set<LogicalExpression> exprs) {
leftOutPathsInFunctions = exprs;
}
public List<SchemaPath> getScanColumns() {
return ((AbstractDbGroupScan)scan.getGroupScan()).getColumns();
}
public RexNode getFilterCondition() {
return filter.getCondition();
}
public RexNode getOrigCondition() {
return origPushedCondition;
}
public OrderedRel getSort() {
return sort;
}
public RelNode getExchange() {
return exch;
}
public void createSortExprs() {
sortExprs = Lists.newArrayList();
}
public List<DistributionField> getDistributionFields() {
if (exch != null) {
return ((HashToRandomExchangePrel) exch).getFields();
} else {
return Collections.EMPTY_LIST;
}
}
}
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