ShowRepositoriesCommand.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.AnalysisException;
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 com.google.common.collect.ImmutableList;

import java.util.List;

/**
 * ShowRepositoriesCommand
 */
public class ShowRepositoriesCommand extends ShowCommand {
    public static final ImmutableList<String> TITLE_NAMES = new ImmutableList.Builder<String>()
            .add("RepoId").add("RepoName").add("CreateTime").add("IsReadOnly").add("Location")
            .add("Broker").add("Type").add("ErrMsg")
            .build();

    public ShowRepositoriesCommand() {
        super(PlanType.SHOW_REPOSITORIES_COMMAND);
    }

    private void validate() throws AnalysisException {
        // check auth
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR,
                    PrivPredicate.ADMIN.getPrivs().toString());
        }
    }

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

    @Override
    public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        validate();
        List<List<String>> repoInfos = Env.getCurrentEnv().getBackupHandler().getRepoMgr().getReposInfo();
        return new ShowResultSet(getMetaData(), repoInfos);
    }

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