EliminateUselessPlanUnderApply.java

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package org.apache.doris.nereids.rules.rewrite.batch;

import org.apache.doris.nereids.rules.RuleFactory;
import org.apache.doris.nereids.rules.rewrite.EliminateLimitUnderApply;
import org.apache.doris.nereids.rules.rewrite.EliminateSortUnderApply;

import com.google.common.collect.ImmutableList;

import java.util.List;

/**
 * Eliminate useless operators in the subquery, including limit and sort.
 * Compatible with the old optimizer, the sort and limit in the subquery will not take effect, just delete it directly.
 */
public class EliminateUselessPlanUnderApply implements BatchRewriteRuleFactory {
    public static final List<RuleFactory> RULES = ImmutableList.of(
            new EliminateLimitUnderApply(),
            new EliminateSortUnderApply()
    );

    @Override
    public List<RuleFactory> getRuleFactories() {
        return RULES;
    }
}