LogicalDeferMaterializeResultSinkToPhysicalDeferMaterializeResultSink.java

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package org.apache.doris.nereids.rules.implementation;

import org.apache.doris.nereids.rules.Rule;
import org.apache.doris.nereids.rules.RuleType;
import org.apache.doris.nereids.trees.plans.Plan;
import org.apache.doris.nereids.trees.plans.logical.LogicalDeferMaterializeResultSink;
import org.apache.doris.nereids.trees.plans.physical.PhysicalDeferMaterializeResultSink;
import org.apache.doris.nereids.trees.plans.physical.PhysicalResultSink;

import java.util.Optional;

/**
 * implement defer materialize result sink from logical to physical
 */
public class LogicalDeferMaterializeResultSinkToPhysicalDeferMaterializeResultSink
        extends OneImplementationRuleFactory {
    @Override
    public Rule build() {
        return logicalDeferMaterializeResultSink().thenApply(ctx -> {
            LogicalDeferMaterializeResultSink<? extends Plan> sink = ctx.root;
            PhysicalResultSink<? extends Plan> physicalResultSink
                    = (PhysicalResultSink<? extends Plan>) new LogicalResultSinkToPhysicalResultSink()
                    .build()
                    .transform(sink.getLogicalResultSink(), ctx.cascadesContext)
                    .get(0);
            return new PhysicalDeferMaterializeResultSink<>(
                    physicalResultSink, sink.getOlapTable(), sink.getSelectedIndexId(),
                    Optional.empty(), sink.getLogicalProperties(), sink.child());
        }).toRule(RuleType.LOGICAL_DEFER_MATERIALIZE_RESULT_SINK_TO_PHYSICAL_DEFER_MATERIALIZE_RESULT_SINK_RULE);
    }
}