com.hazelcast.org.apache.calcite.rel.mutable.MutableTableFunctionScan Maven / Gradle / Ivy
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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 com.hazelcast.org.apache.calcite.rel.mutable;
import com.hazelcast.org.apache.calcite.plan.RelOptCluster;
import com.hazelcast.org.apache.calcite.rel.metadata.RelColumnMapping;
import com.hazelcast.org.apache.calcite.rel.type.RelDataType;
import com.hazelcast.org.apache.calcite.rex.RexNode;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Objects;
import java.util.Set;
/** Mutable equivalent of
* {@link com.hazelcast.org.apache.calcite.rel.core.TableFunctionScan}. */
public class MutableTableFunctionScan extends MutableMultiRel {
public final RexNode rexCall;
public final @Nullable Type elementType;
public final @Nullable Set columnMappings;
private MutableTableFunctionScan(RelOptCluster cluster,
RelDataType rowType, List inputs, RexNode rexCall,
@Nullable Type elementType, @Nullable Set columnMappings) {
super(cluster, rowType, MutableRelType.TABLE_FUNCTION_SCAN, inputs);
this.rexCall = rexCall;
this.elementType = elementType;
this.columnMappings = columnMappings;
}
/**
* Creates a MutableTableFunctionScan.
*
* @param cluster Cluster that this relational expression belongs to
* @param rowType Row type
* @param inputs Input relational expressions
* @param rexCall Function invocation expression
* @param elementType Element type of the collection that will implement
* this table
* @param columnMappings Column mappings associated with this function
*/
public static MutableTableFunctionScan of(RelOptCluster cluster,
RelDataType rowType, List inputs, RexNode rexCall,
@Nullable Type elementType, @Nullable Set columnMappings) {
return new MutableTableFunctionScan(
cluster, rowType, inputs, rexCall, elementType, columnMappings);
}
@Override public boolean equals(@Nullable Object obj) {
return obj == this
|| obj instanceof MutableTableFunctionScan
&& STRING_EQUIVALENCE.equivalent(rexCall,
((MutableTableFunctionScan) obj).rexCall)
&& Objects.equals(elementType,
((MutableTableFunctionScan) obj).elementType)
&& Objects.equals(columnMappings,
((MutableTableFunctionScan) obj).columnMappings)
&& inputs.equals(((MutableTableFunctionScan) obj).getInputs());
}
@Override public int hashCode() {
return Objects.hash(inputs,
STRING_EQUIVALENCE.hash(rexCall), elementType, columnMappings);
}
@Override public StringBuilder digest(StringBuilder buf) {
buf.append("TableFunctionScan(rexCall: ").append(rexCall);
if (elementType != null) {
buf.append(", elementType: ").append(elementType);
}
return buf.append(")");
}
@Override public MutableRel clone() {
// TODO Auto-generated method stub
return MutableTableFunctionScan.of(cluster, rowType,
cloneChildren(), rexCall, elementType, columnMappings);
}
}
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