Google App Engine数据存储区中不精确查询的优秀模式是什么？

The Google App Engine Datastore querying language (gql) does not offer inexact operators like "LIKE" or even case insensitivity. One can get around the case sensitive issue by storing a lower-case version of a field. But what if I want to search for a person but I'm not sure of the spelling of the name? Is there an accepted pattern for dealing with this scenario?The Google App Engine Datastore querying langua