UnifiedLoadStmt.java

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package org.apache.doris.analysis;

import org.apache.doris.common.DdlException;

import com.google.common.base.Preconditions;

import java.util.List;
import java.util.Map;

/**
 * Used for load refactor, as an adapter for original load stmt, will proxy to insert stmt or original load stmt, chosen
 * by configuration
 */
public class UnifiedLoadStmt extends DdlStmt implements NotFallbackInParser {

    private final StatementBase proxyStmt;

    public UnifiedLoadStmt(StatementBase proxyStmt) {
        this.proxyStmt = proxyStmt;
    }

    public void init() {
        Preconditions.checkNotNull(proxyStmt, "impossible state, proxy stmt should be not null");
        proxyStmt.setOrigStmt(getOrigStmt());
        proxyStmt.setUserInfo(getUserInfo());
    }

    public static UnifiedLoadStmt buildMysqlLoadStmt(DataDescription dataDescription, Map<String, String> properties,
            String comment) {
        return new UnifiedLoadStmt(new LoadStmt(dataDescription, properties, comment));
    }

    public static UnifiedLoadStmt buildBrokerLoadStmt(LabelName label, List<DataDescription> dataDescriptions,
            BrokerDesc brokerDesc,
            Map<String, String> properties, String comment) throws DdlException {
        return new UnifiedLoadStmt(new LoadStmt(label, dataDescriptions, brokerDesc, properties, comment));
    }

    public StatementBase getProxyStmt() {
        return proxyStmt;
    }

    @Override
    public RedirectStatus getRedirectStatus() {
        return proxyStmt.getRedirectStatus();
    }
}