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/*
 * Copyright 2024 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.opt.logical;

import com.hazelcast.jet.sql.impl.opt.OptUtils;
import com.hazelcast.sql.impl.schema.map.PartitionedMapTable;
import com.hazelcast.shaded.org.apache.calcite.plan.RelOptRule;
import com.hazelcast.shaded.org.apache.calcite.plan.RelOptRuleCall;
import com.hazelcast.shaded.org.apache.calcite.plan.RelRule;
import org.immutables.value.Value;

/**
 * Planner rule that matches single row, VALUES-based {@link PartitionedMapTable}
 * INSERT.
 * 

For example,

*
INSERT INTO map VALUES (1, '1')
*

* Such INSERT is translated to optimized, direct key {@code IMap} operation * which does not involve starting any job. */ @Value.Enclosing public final class InsertMapLogicalRule extends RelRule { @Value.Immutable public interface Config extends RelRule.Config { InsertMapLogicalRule.Config DEFAULT = ImmutableInsertMapLogicalRule.Config.builder() .description(InsertMapLogicalRule.class.getSimpleName()) .operandSupplier(b0 -> b0.operand(InsertLogicalRel.class) .predicate(insert -> !OptUtils.requiresJob(insert) && OptUtils.hasTableType(insert, PartitionedMapTable.class)) .inputs(b1 -> b1.operand(ValuesLogicalRel.class) .noInputs()) ).build(); @Override default RelOptRule toRule() { return new InsertMapLogicalRule(this); } } static final RelOptRule INSTANCE = new InsertMapLogicalRule(Config.DEFAULT); public InsertMapLogicalRule(Config config) { super(config); } @Override public void onMatch(RelOptRuleCall call) { InsertLogicalRel logicalInsert = call.rel(0); ValuesLogicalRel logicalValues = call.rel(1); if (logicalValues.size() == 1) { InsertMapLogicalRel rel = new InsertMapLogicalRel( logicalInsert.getCluster(), OptUtils.toLogicalConvention(logicalInsert.getTraitSet()), logicalInsert.getTable(), logicalValues.values().get(0) ); call.transformTo(rel); } } }





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