com.hazelcast.jet.sql.impl.opt.Conventions 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.
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package com.hazelcast.jet.sql.impl.opt;
import com.hazelcast.jet.sql.impl.opt.logical.LogicalRel;
import com.hazelcast.jet.sql.impl.opt.physical.PhysicalRel;
import com.hazelcast.org.apache.calcite.plan.Convention;
import com.hazelcast.org.apache.calcite.plan.RelTraitSet;
public final class Conventions {
public static final Convention LOGICAL = new Convention.Impl("LOGICAL", LogicalRel.class);
public static final Convention PHYSICAL = new Convention.Impl("PHYSICAL", PhysicalRel.class) {
@Override
public boolean canConvertConvention(Convention toConvention) {
return true;
}
@Override
public boolean useAbstractConvertersForConversion(RelTraitSet fromTraits, RelTraitSet toTraits) {
return !fromTraits.satisfies(toTraits);
}
};
private Conventions() {
}
}