DropRoleStmt.java

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package org.apache.doris.analysis;

import org.apache.doris.catalog.Env;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.Config;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.FeNameFormat;
import org.apache.doris.common.UserException;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.qe.ConnectContext;

public class DropRoleStmt extends DdlStmt implements NotFallbackInParser {

    private boolean ifExists;
    private String role;

    public DropRoleStmt(String role) {
        this.role = role;
    }

    public DropRoleStmt(boolean ifExists, String role) {
        this.ifExists = ifExists;
        this.role = role;
    }

    public boolean isSetIfExists() {
        return ifExists;
    }

    public String getRole() {
        return role;
    }

    @Override
    public void analyze(Analyzer analyzer) throws UserException {
        super.analyze(analyzer);

        if (Config.access_controller_type.equalsIgnoreCase("ranger-doris")) {
            throw new AnalysisException("Drop role is prohibited when Ranger is enabled.");
        }

        FeNameFormat.checkRoleName(role, false /* can not be superuser */, "Can not drop role");

        // 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, "CREATE USER");
        }
    }

    @Override
    public String toSql() {
        return "DROP ROLE " + role;
    }

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