ExpressionOptimization.java

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

import org.apache.doris.nereids.rules.expression.rules.ArrayContainToArrayOverlap;
import org.apache.doris.nereids.rules.expression.rules.BetweenToEqual;
import org.apache.doris.nereids.rules.expression.rules.CaseWhenToIf;
import org.apache.doris.nereids.rules.expression.rules.DateFunctionRewrite;
import org.apache.doris.nereids.rules.expression.rules.DistinctPredicatesRule;
import org.apache.doris.nereids.rules.expression.rules.ExtractCommonFactorRule;
import org.apache.doris.nereids.rules.expression.rules.LikeToEqualRewrite;
import org.apache.doris.nereids.rules.expression.rules.LogToLn;
import org.apache.doris.nereids.rules.expression.rules.NullSafeEqualToEqual;
import org.apache.doris.nereids.rules.expression.rules.SimplifyComparisonPredicate;
import org.apache.doris.nereids.rules.expression.rules.SimplifyConflictCompound;
import org.apache.doris.nereids.rules.expression.rules.SimplifyDecimalV3Comparison;
import org.apache.doris.nereids.rules.expression.rules.SimplifyInPredicate;
import org.apache.doris.nereids.rules.expression.rules.SimplifyRange;
import org.apache.doris.nereids.rules.expression.rules.TopnToMax;

import com.google.common.collect.ImmutableList;

import java.util.List;

/**
 * optimize expression of plan rule set.
 */
public class ExpressionOptimization extends ExpressionRewrite {
    public static final List<ExpressionRewriteRule> OPTIMIZE_REWRITE_RULES = ImmutableList.of(
            bottomUp(
                SimplifyInPredicate.INSTANCE,

                // comparison predicates
                SimplifyComparisonPredicate.INSTANCE,

                // compound predicates
                SimplifyRange.INSTANCE,
                SimplifyConflictCompound.INSTANCE,
                DistinctPredicatesRule.INSTANCE,
                ExtractCommonFactorRule.INSTANCE,

                SimplifyDecimalV3Comparison.INSTANCE,

                DateFunctionRewrite.INSTANCE,
                ArrayContainToArrayOverlap.INSTANCE,
                CaseWhenToIf.INSTANCE,
                TopnToMax.INSTANCE,
                NullSafeEqualToEqual.INSTANCE,
                LikeToEqualRewrite.INSTANCE,
                BetweenToEqual.INSTANCE,
                LogToLn.INSTANCE
            )
    );
    private static final ExpressionRuleExecutor EXECUTOR = new ExpressionRuleExecutor(OPTIMIZE_REWRITE_RULES);

    public ExpressionOptimization() {
        super(EXECUTOR);
    }
}