ShowRolesCommand.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.Column;
import org.apache.doris.catalog.Env;
import org.apache.doris.catalog.ScalarType;
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.ShowResultSet;
import org.apache.doris.qe.ShowResultSetMetaData;
import org.apache.doris.qe.StmtExecutor;

import java.util.List;

/**
 * show roles command
 */
public class ShowRolesCommand extends ShowCommand {
    private static final ShowResultSetMetaData META_DATA;

    static {
        ShowResultSetMetaData.Builder builder = ShowResultSetMetaData.builder();

        builder.addColumn(new Column("Name", ScalarType.createVarchar(100)));
        builder.addColumn(new Column("Comment", ScalarType.createVarchar(100)));
        builder.addColumn(new Column("Users", ScalarType.createVarchar(100)));
        builder.addColumn(new Column("GlobalPrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("CatalogPrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("DatabasePrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("TablePrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("ResourcePrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("CloudClusterPrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("CloudStagePrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("StorageVaultPrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("WorkloadGroupPrivs", ScalarType.createVarchar(300)));
        builder.addColumn(new Column("ComputeGroupPrivs", ScalarType.createVarchar(300)));

        META_DATA = builder.build();
    }

    /**
     * constructor
     */

    public ShowRolesCommand() {
        super(PlanType.SHOW_ROLE_COMMAND);
    }

    @Override
    public ShowResultSetMetaData getMetaData() {
        return META_DATA;
    }

    @Override
    public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.GRANT)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "GRANT");
        }

        List<List<String>> infos = Env.getCurrentEnv().getAuth().getRoleInfo();
        return new ShowResultSet(getMetaData(), infos);
    }

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