DropExpiredStatsCommand.java

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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   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.StmtType;
import org.apache.doris.common.UserException;
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;

/**
 * DropExpiredStatsCommand
 */

public class DropExpiredStatsCommand extends DropCommand {

    public DropExpiredStatsCommand() {
        super(PlanType.DROP_EXPIRED_STATS_COMMAND);
    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        validate();
        ctx.getEnv().getAnalysisManager().dropExpiredStats();
    }

    /**
     * validate
     */
    public void validate() throws UserException {
        if (!ConnectContext.get().getSessionVariable().enableStats) {
            throw new UserException("Analyze function is forbidden, you should add `enable_stats=true`"
                + "in your FE conf file");
        }
    }

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

    @Override
    public StmtType stmtType() {
        return StmtType.DROP;
    }
}