ShowPluginsCommand.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 plugins command
 */
public class ShowPluginsCommand extends ShowCommand {
    private static final ShowResultSetMetaData META_DATA =
            ShowResultSetMetaData.builder()
                    .addColumn(new Column("Name", ScalarType.createVarchar(64)))
                    .addColumn(new Column("Type", ScalarType.createVarchar(10)))
                    .addColumn(new Column("Description", ScalarType.createVarchar(200)))
                    .addColumn(new Column("Version", ScalarType.createVarchar(20)))
                    .addColumn(new Column("JavaVersion", ScalarType.createVarchar(20)))
                    .addColumn(new Column("ClassName", ScalarType.createVarchar(64)))
                    .addColumn(new Column("SoName", ScalarType.createVarchar(64)))
                    .addColumn(new Column("Sources", ScalarType.createVarchar(200)))
                    .addColumn(new Column("Status", ScalarType.createVarchar(20)))
                    .addColumn(new Column("Properties", ScalarType.createVarchar(250)))
                    .build();

    /**
     * constructor
     */

    public ShowPluginsCommand() {
        super(PlanType.SHOW_PLUGINS_COMMAND);
    }

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

    @Override
    public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
        // check auth
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR,
                    PrivPredicate.ADMIN.getPrivs().toString());
        }

        List<List<String>> rows = Env.getCurrentPluginMgr().getPluginShowInfos();
        return new ShowResultSet(getMetaData(), rows);
    }

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