RecoverDatabaseCommand.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.catalog.Env;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.UserException;
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.visitor.PlanVisitor;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.StmtExecutor;

import com.google.common.base.Strings;

/**
 * recover database command
 */
public class RecoverDatabaseCommand extends RecoverCommand {
    private final String dbName;
    private final long dbId;
    private final String newDbName;

    /**
     * constructor
     */

    public RecoverDatabaseCommand(String dbName, long dbId, String newDbName) {
        super(PlanType.RECOVER_DATABASE_COMMAND);
        this.dbName = dbName;
        this.dbId = dbId;
        this.newDbName = newDbName;
    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws UserException {
        if (Strings.isNullOrEmpty(dbName)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_WRONG_DB_NAME, dbName);
        }

        if (!Env.getCurrentEnv().getAccessManager()
                .checkDbPriv(ConnectContext.get(), InternalCatalog.INTERNAL_CATALOG_NAME, dbName,
                        PrivPredicate.ALTER_CREATE)) {
            ErrorReport.reportAnalysisException(
                    ErrorCode.ERR_DBACCESS_DENIED_ERROR, ctx.getQualifiedUser(), dbName);
        }

        Env.getCurrentEnv().recoverDatabase(dbName, dbId, newDbName);
    }

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