KillConnectionCommand.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.analysis.RedirectStatus;
import org.apache.doris.nereids.exceptions.AnalysisException;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.commands.utils.KillUtils;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/**
 * kill connection command
 */

public class KillConnectionCommand extends KillCommand {
    private static final Logger LOG = LogManager.getLogger(KillQueryCommand.class);
    private final Integer connectionId;

    public KillConnectionCommand(Integer connectionId) {
        super(PlanType.KILL_CONNECTION_COMMAND);
        this.connectionId = connectionId;
    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        if (connectionId < 0) {
            throw new AnalysisException("Please specify connection id which >= 0 to kill");
        }
        KillUtils.kill(ctx, true, null, connectionId, null);
    }

    @Override
    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
        return visitor.visitKillConnectionCommand(this, context);
    }

    @Override
    public RedirectStatus toRedirectStatus() {
        return RedirectStatus.NO_FORWARD;
    }
}