ShowTrashDiskStmt.java

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// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.analysis;

import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.Env;
import org.apache.doris.catalog.ScalarType;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.proc.TrashProcNode;
import org.apache.doris.common.util.NetUtils;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.ShowResultSetMetaData;
import org.apache.doris.system.Backend;

import com.google.common.collect.ImmutableMap;

public class ShowTrashDiskStmt extends ShowStmt implements NotFallbackInParser {

    private Backend backend;

    public ShowTrashDiskStmt(String backendQuery) throws AnalysisException {
        ImmutableMap<Long, Backend> backendsInfo = Env.getCurrentSystemInfo().getAllBackendsByAllCluster();
        for (Backend backend : backendsInfo.values()) {
            String backendStr = NetUtils.getHostPortInAccessibleFormat(backend.getHost(), backend.getHeartbeatPort());
            if (backendQuery.equals(backendStr)) {
                this.backend = backend;
                break;
            }
        }
    }

    public Backend getBackend() {
        return backend;
    }

    @Override
    public void analyze(Analyzer analyzer) throws AnalysisException {
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)
                && !Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(),
                        PrivPredicate.OPERATOR)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, "ADMIN/OPERATOR");
        }
    }

    @Override
    public ShowResultSetMetaData getMetaData() {
        ShowResultSetMetaData.Builder builder = ShowResultSetMetaData.builder();
        for (String title : TrashProcNode.TITLE_NAMES) {
            builder.addColumn(new Column(title, ScalarType.createVarchar(30)));
        }
        return builder.build();
    }

    @Override
    public RedirectStatus getRedirectStatus() {
        return RedirectStatus.NO_FORWARD;
    }
}