public ShowResultSet execute()

in fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java [315:515]

• 200 lines of code
• 97 McCabe index (conditional complexity)

    public ShowResultSet execute() throws AnalysisException {
        checkStmtSupported();
        if (stmt instanceof ShowRollupStmt) {
            handleShowRollup();
        } else if (stmt instanceof ShowAuthorStmt) {
            handleShowAuthor();
        } else if (stmt instanceof ShowProcStmt) {
            handleShowProc();
        } else if (stmt instanceof HelpStmt) {
            handleHelp();
        } else if (stmt instanceof ShowDbStmt) {
            handleShowDb();
        } else if (stmt instanceof ShowDbIdStmt) {
            handleShowDbId();
        } else if (stmt instanceof ShowTableStmt) {
            handleShowTable();
        } else if (stmt instanceof ShowTableStatusStmt) {
            handleShowTableStatus();
        } else if (stmt instanceof ShowTableIdStmt) {
            handleShowTableId();
        } else if (stmt instanceof DescribeStmt) {
            handleDescribe();
        } else if (stmt instanceof ShowCreateTableStmt) {
            handleShowCreateTable();
        } else if (stmt instanceof ShowCreateMTMVStmt) {
            handleShowCreateMTMV();
        } else if (stmt instanceof ShowCreateDbStmt) {
            handleShowCreateDb();
        } else if (stmt instanceof ShowProcesslistStmt) {
            handleShowProcesslist();
        } else if (stmt instanceof ShowEnginesStmt) {
            handleShowEngines();
        } else if (stmt instanceof ShowFunctionsStmt) {
            handleShowFunctions();
        } else if (stmt instanceof ShowDataTypesStmt) {
            handleShowDataTypes();
        } else if (stmt instanceof ShowCreateFunctionStmt) {
            handleShowCreateFunction();
        } else if (stmt instanceof ShowEncryptKeysStmt) {
            handleShowEncryptKeys();
        } else if (stmt instanceof ShowVariablesStmt) {
            handleShowVariables();
        } else if (stmt instanceof ShowColumnStmt) {
            handleShowColumn();
        } else if (stmt instanceof ShowCopyStmt) {
            handleShowCopy();
        } else if (stmt instanceof ShowLoadStmt) {
            handleShowLoad();
        } else if (stmt instanceof ShowStreamLoadStmt) {
            handleShowStreamLoad();
        } else if (stmt instanceof ShowLoadWarningsStmt) {
            handleShowLoadWarnings();
        } else if (stmt instanceof ShowRoutineLoadStmt) {
            handleShowRoutineLoad();
        } else if (stmt instanceof ShowRoutineLoadTaskStmt) {
            handleShowRoutineLoadTask();
        } else if (stmt instanceof ShowCreateRoutineLoadStmt) {
            handleShowCreateRoutineLoad();
        } else if (stmt instanceof ShowCreateLoadStmt) {
            handleShowCreateLoad();
        } else if (stmt instanceof ShowCreateRepositoryStmt) {
            handleShowCreateRepository();
        } else if (stmt instanceof ShowDeleteStmt) {
            handleShowDelete();
        } else if (stmt instanceof ShowAlterStmt) {
            handleShowAlter();
        } else if (stmt instanceof ShowUserPropertyStmt) {
            handleShowUserProperty();
        } else if (stmt instanceof ShowDataStmt) {
            handleShowData();
        } else if (stmt instanceof ShowQueryStatsStmt) {
            handleShowQueryStats();
        } else if (stmt instanceof ShowCharsetStmt) {
            handleShowCharset();
        } else if (stmt instanceof ShowCollationStmt) {
            handleShowCollation();
        } else if (stmt instanceof ShowPartitionsStmt) {
            handleShowPartitions();
        } else if (stmt instanceof ShowPartitionIdStmt) {
            handleShowPartitionId();
        } else if (stmt instanceof ShowTabletStmt) {
            handleShowTablet();
        } else if (stmt instanceof ShowBackupStmt) {
            handleShowBackup();
        } else if (stmt instanceof ShowRestoreStmt) {
            handleShowRestore();
        } else if (stmt instanceof ShowBrokerStmt) {
            handleShowBroker();
        } else if (stmt instanceof ShowResourcesStmt) {
            handleShowResources();
        } else if (stmt instanceof ShowWorkloadGroupsStmt) {
            handleShowWorkloadGroups();
        } else if (stmt instanceof ShowExportStmt) {
            handleShowExport();
        } else if (stmt instanceof ShowBackendsStmt) {
            handleShowBackends();
        } else if (stmt instanceof ShowFrontendsStmt) {
            handleShowFrontends();
        } else if (stmt instanceof ShowRepositoriesStmt) {
            handleShowRepositories();
        } else if (stmt instanceof ShowSnapshotStmt) {
            handleShowSnapshot();
        } else if (stmt instanceof ShowGrantsStmt) {
            handleShowGrants();
        } else if (stmt instanceof ShowRolesStmt) {
            handleShowRoles();
        } else if (stmt instanceof ShowPrivilegesStmt) {
            handleShowPrivileges();
        } else if (stmt instanceof ShowTrashStmt) {
            handleShowTrash();
        } else if (stmt instanceof ShowTrashDiskStmt) {
            handleShowTrashDisk();
        } else if (stmt instanceof ShowReplicaStatusStmt) {
            handleAdminShowTabletStatus();
        } else if (stmt instanceof ShowReplicaDistributionStmt) {
            handleAdminShowTabletDistribution();
        } else if (stmt instanceof ShowConfigStmt) {
            if (Config.isCloudMode() && !ctx.getCurrentUserIdentity()
                    .getUser().equals(Auth.ROOT_USER)) {
                LOG.info("stmt={}, not supported in cloud mode", stmt.toString());
                throw new AnalysisException("Unsupported operation");
            }
            handleAdminShowConfig();
        } else if (stmt instanceof ShowSmallFilesStmt) {
            handleShowSmallFiles();
        } else if (stmt instanceof ShowDynamicPartitionStmt) {
            handleShowDynamicPartition();
        } else if (stmt instanceof ShowIndexStmt) {
            handleShowIndex();
        } else if (stmt instanceof ShowViewStmt) {
            handleShowView();
        } else if (stmt instanceof ShowTransactionStmt) {
            handleShowTransaction();
        } else if (stmt instanceof ShowPluginsStmt) {
            handleShowPlugins();
        } else if (stmt instanceof ShowQueryProfileStmt) {
            handleShowQueryProfile();
        } else if (stmt instanceof ShowLoadProfileStmt) {
            handleShowLoadProfile();
        } else if (stmt instanceof ShowDataSkewStmt) {
            handleShowDataSkew();
        } else if (stmt instanceof ShowSyncJobStmt) {
            handleShowSyncJobs();
        } else if (stmt instanceof ShowSqlBlockRuleStmt) {
            handleShowSqlBlockRule();
        } else if (stmt instanceof ShowTableStatsStmt) {
            handleShowTableStats();
        } else if (stmt instanceof ShowColumnStatsStmt) {
            handleShowColumnStats();
        } else if (stmt instanceof ShowColumnHistStmt) {
            handleShowColumnHist();
        } else if (stmt instanceof ShowTableCreationStmt) {
            handleShowTableCreation();
        } else if (stmt instanceof ShowLastInsertStmt) {
            handleShowLastInsert();
        } else if (stmt instanceof ShowTabletStorageFormatStmt) {
            handleAdminShowTabletStorageFormat();
        } else if (stmt instanceof DiagnoseTabletStmt) {
            handleAdminDiagnoseTablet();
        } else if (stmt instanceof ShowCreateMaterializedViewStmt) {
            handleShowCreateMaterializedView();
        } else if (stmt instanceof ShowPolicyStmt) {
            handleShowPolicy();
        } else if (stmt instanceof ShowStoragePolicyUsingStmt) {
            handleShowStoragePolicyUsing();
        } else if (stmt instanceof ShowCatalogStmt) {
            handleShowCatalogs();
        } else if (stmt instanceof ShowCreateCatalogStmt) {
            handleShowCreateCatalog();
        } else if (stmt instanceof ShowAnalyzeStmt) {
            handleShowAnalyze();
        } else if (stmt instanceof ShowQueuedAnalyzeJobsStmt) {
            handleShowQueuedAnalyzeJobs();
        } else if (stmt instanceof ShowTabletsBelongStmt) {
            handleShowTabletsBelong();
        } else if (stmt instanceof AdminCopyTabletStmt) {
            handleCopyTablet();
        } else if (stmt instanceof ShowCatalogRecycleBinStmt) {
            handleShowCatalogRecycleBin();
        } else if (stmt instanceof ShowTypeCastStmt) {
            handleShowTypeCastStmt();
        } else if (stmt instanceof ShowBuildIndexStmt) {
            handleShowBuildIndexStmt();
        } else if (stmt instanceof ShowAnalyzeTaskStatus) {
            handleShowAnalyzeTaskStatus();
        } else if (stmt instanceof ShowConvertLSCStmt) {
            handleShowConvertLSC();
        } else if (stmt instanceof ShowClusterStmt) {
            handleShowCluster();
        } else if (stmt instanceof ShowStageStmt) {
            handleShowStage();
        } else if (stmt instanceof ShowStorageVaultStmt) {
            handleShowStorageVault();
        } else if (stmt instanceof ShowCloudWarmUpStmt) {
            handleShowCloudWarmUpJob();
        } else {
            handleEmtpy();
        }

        return resultSet;
    }