StartTransactionCommand.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;

import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

/**
 * unsupported start transaction command.
 */
public class StartTransactionCommand extends Command implements NoForward {
    public StartTransactionCommand() {
        super(PlanType.UNSUPPORTED_START_TRANSACTION_COMMAND);
    }

    @Override
    public void run(ConnectContext ctx, StmtExecutor executor) throws Exception {
        if (ctx.getConnectType() == ConnectContext.ConnectType.MYSQL) {
            ctx.getMysqlChannel().reset();
        }
        // do nothing
        ctx.getState().setOk();
    }

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