ErrorLog.txt显示字段中找不到索引之一。但它会在admin Gui上显示字段索引名称，并在admin：database-get-range-field-indexes（）上显示。有没有一种方法可以确定字段是否已被索引。谢谢。
错误日志：
2019-03-13 10:11:40 Notice:MdrRestServer: XDMP-FIELD XDMP-FIEDLRIDXNOTFOUND: cts:field-reference("bay","type=string")..No string field range index for bay http://marklogic.com/collation/
2019-03-13 10:11:40 Notice:MdrRestServer: in /MarkLogic/appservices/search/search-imp.xyq, at 4335:14
2019-03-13 10:11:40Notice:MdrRestServer: in impl:range-reference(<search:range type = "xs:string" facet="true" xmlns:search="http://MarkLogic/appsearch/search"></search:range[1.0-ml] )