ModifyDistributionOp.java

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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.commands.info;

import org.apache.doris.alter.AlterOpType;
import org.apache.doris.analysis.AlterTableClause;
import org.apache.doris.analysis.ModifyDistributionClause;

import java.util.HashMap;
import java.util.Map;

/**
 * ModifyDistributionOp
 */
public class ModifyDistributionOp extends AlterTableOp {
    private DistributionDescriptor distributionDesc;

    public ModifyDistributionOp(DistributionDescriptor distributionDesc) {
        super(AlterOpType.MODIFY_DISTRIBUTION);
        this.distributionDesc = distributionDesc;
        this.needTableStable = false;
    }

    public DistributionDescriptor getDistributionDesc() {
        return distributionDesc;
    }

    @Override
    public boolean allowOpMTMV() {
        return true;
    }

    @Override
    public boolean needChangeMTMVState() {
        return false;
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("MODIFY DISTRIBUTION ");
        if (distributionDesc != null) {
            sb.append(distributionDesc.toSql());
        }
        return sb.toString();
    }

    @Override
    public Map<String, String> getProperties() {
        return new HashMap<>();
    }

    @Override
    public AlterTableClause translateToLegacyAlterClause() {
        return new ModifyDistributionClause(distributionDesc.translateToCatalogStyle());
    }

    @Override
    public String toString() {
        return toSql();
    }
}