com.hazelcast.jet.sql.impl.validate.operators.predicate.HazelcastComparisonPredicate Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.validate.operators.predicate;
import com.hazelcast.jet.sql.impl.validate.HazelcastCallBinding;
import com.hazelcast.jet.sql.impl.validate.operators.typeinference.ComparisonOperatorOperandTypeInference;
import com.hazelcast.jet.sql.impl.validate.operators.common.HazelcastBinaryOperator;
import com.hazelcast.org.apache.calcite.sql.SqlBinaryOperator;
import com.hazelcast.org.apache.calcite.sql.SqlOperandCountRange;
import com.hazelcast.org.apache.calcite.sql.fun.SqlStdOperatorTable;
import com.hazelcast.org.apache.calcite.sql.type.ReturnTypes;
import com.hazelcast.org.apache.calcite.sql.type.SqlOperandCountRanges;
public final class HazelcastComparisonPredicate extends HazelcastBinaryOperator {
public static final HazelcastComparisonPredicate EQUALS = new HazelcastComparisonPredicate(
SqlStdOperatorTable.EQUALS
);
public static final HazelcastComparisonPredicate NOT_EQUALS = new HazelcastComparisonPredicate(
SqlStdOperatorTable.NOT_EQUALS
);
public static final HazelcastComparisonPredicate GREATER_THAN = new HazelcastComparisonPredicate(
SqlStdOperatorTable.GREATER_THAN
);
public static final HazelcastComparisonPredicate GREATER_THAN_OR_EQUAL = new HazelcastComparisonPredicate(
SqlStdOperatorTable.GREATER_THAN_OR_EQUAL
);
public static final HazelcastComparisonPredicate LESS_THAN = new HazelcastComparisonPredicate(
SqlStdOperatorTable.LESS_THAN
);
public static final HazelcastComparisonPredicate LESS_THAN_OR_EQUAL = new HazelcastComparisonPredicate(
SqlStdOperatorTable.LESS_THAN_OR_EQUAL
);
private HazelcastComparisonPredicate(SqlBinaryOperator base) {
super(
base.getName(),
base.getKind(),
base.getLeftPrec(),
true,
ReturnTypes.BOOLEAN_NULLABLE,
ComparisonOperatorOperandTypeInference.INSTANCE
);
}
@Override
public SqlOperandCountRange getOperandCountRange() {
return SqlOperandCountRanges.of(2);
}
@Override
public boolean checkOperandTypes(HazelcastCallBinding binding, boolean throwOnFailure) {
return HazelcastComparisonPredicateUtils.checkOperandTypes(binding, throwOnFailure);
}
}