protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnBusinessCategory() {
            doColumn("businessCategory");
        }

        public void columnCarLicense() {

                    cf.setSessionId_NotEqual(activeSessionId);
                }

            });

            cb.fetchFirst(fessConfig.getPageCrawlingInfoMaxFetchSizeAsInteger());
            cb.specify().columnId();
        });
        if (!crawlingInfoList.isEmpty()) {
            final List<String> crawlingInfoIdList = new ArrayList<>();
            for (final CrawlingInfo cs : crawlingInfoList) {

				}
			} else {
				results[col] = result
			}
		} else {
			results[column] = result
		}
	}

	// select columns
	for _, column := range stmt.Selects {
		processColumn(column, true)
	}

	// omit columns
	for _, column := range stmt.Omits {
		processColumn(column, false)
	}

	if stmt.Schema != nil {
		for _, field := range stmt.Schema.FieldsByName {

					clauseSelect.Columns[idx] = clause.Column{Name: name, Raw: true}
				} else if f := db.Statement.Schema.LookUpField(name); f != nil {
					clauseSelect.Columns[idx] = clause.Column{Name: f.DBName}
				} else {
					clauseSelect.Columns[idx] = clause.Column{Name: name, Raw: true}
				}
			}
		} else if db.Statement.Schema != nil && len(db.Statement.Omits) > 0 {

			if stmt.Schema != nil && len(values.Columns) >= 1 {
				selectColumns, restricted := stmt.SelectAndOmitColumns(true, true)

				columns := make([]string, 0, len(values.Columns)-1)
				for _, column := range values.Columns {
					if field := stmt.Schema.LookUpField(column.Name); field != nil {
						if v, ok := selectColumns[field.DBName]; (ok && v) || (!ok && !restricted) {

				matchedFieldCount := make(map[string]int, len(columns))
				for idx, column := range columns {
					if field := sch.LookUpField(column); field != nil && field.Readable {
						fields[idx] = field
						if count, ok := matchedFieldCount[column]; ok {
							// handle duplicate fields
							for _, selectField := range sch.Fields {
								if selectField.DBName == column && selectField.Readable {
									if count == 0 {

					}

					if len(selectExpr.Exprs) == 0 {
						selectExpr.Exprs = []clause.Expression{clause.Expr{SQL: "*", Vars: []interface{}{}}}
					}

					partitionBy := clause.CommaExpression{}
					for _, column := range refColumns {
						partitionBy.Exprs = append(partitionBy.Exprs, clause.Expr{SQL: "?", Vars: []interface{}{clause.Column{Name: column.Name}}})
					}

// Order specify order when retrieving records from database
//
//	db.Order("name DESC")
//	db.Order(clause.OrderByColumn{Column: clause.Column{Name: "name"}, Desc: true})
//	db.Order(clause.OrderBy{Columns: []clause.OrderByColumn{
//		{Column: clause.Column{Name: "name"}, Desc: true},
//		{Column: clause.Column{Name: "age"}, Desc: true},
//	}})
func (db *DB) Order(value interface{}) (tx *DB) {
	tx = db.getInstance()

	} else if len(langs) != 1 {
		t.Errorf("should only find only 1 languages, but got %+v", langs)
	}

	lang3 := Language{Code: "upsert", Name: "Upsert"}
	if err := DB.Clauses(clause.OnConflict{
		Columns:   []clause.Column{{Name: "code"}},
		DoUpdates: clause.Assignments(map[string]interface{}{"name": "upsert-new"}),
	}).Create(&lang3).Error; err != nil {
		t.Fatalf("failed to upsert, got %v", err)
	}

 * Table} interface.
 *
 * <p>The views returned by {@link #column}, {@link #columnKeySet()}, and {@link #columnMap()} have
 * iterators that don't support {@code remove()}. Otherwise, all optional operations are supported.
 * Null row keys, columns keys, and values are not supported.
 *
 * <p>Lookups by row key are often faster than lookups by column key, because the data is stored in