AlterRoleCommand.java

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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.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;

/**
 * alter role command
 */
public class AlterRoleCommand extends AlterCommand {
    private final String role;
    private final String comment;

    /**
     * constructor
     */

    public AlterRoleCommand(String role, String comment) {
        super(PlanType.ALTER_ROLE_COMMAND);
        this.role = role;
        this.comment = Strings.nullToEmpty(comment);

    }

    @Override
    public void doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        // check if current user has GRANT priv on GLOBAL level.
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.GRANT)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "ALTER ROLE");
        }
        Env.getCurrentEnv().getAuth().alterRole(role, comment);
    }

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