CleanLabelCommand.java

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package org.apache.doris.nereids.trees.plans.commands.clean;

import org.apache.doris.analysis.StmtType;
import org.apache.doris.catalog.Env;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.datasource.InternalCatalog;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.nereids.trees.plans.commands.Command;
import org.apache.doris.nereids.trees.plans.commands.ForwardWithSync;
import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import com.google.common.base.Strings;

/**
 * clean label command.
 */
public class CleanLabelCommand extends Command implements ForwardWithSync {
    private final String dbName;
    private String label;

    public CleanLabelCommand(String dbName, String label) {
        super(PlanType.CLEAN_LABEL_COMMAND);
        this.dbName = dbName;
        this.label = label;
    }

    @Override
    public void run(ConnectContext ctx, StmtExecutor executor) throws Exception {
        label = Strings.nullToEmpty(label);
        // check auth
        if (!Env.getCurrentEnv().getAccessManager()
                .checkDbPriv(ConnectContext.get(), InternalCatalog.INTERNAL_CATALOG_NAME, dbName, PrivPredicate.LOAD)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "LOAD");
        }
        Env.getCurrentEnv().getLoadManager().cleanLabel(dbName, label);
    }

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

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