Techniques for filtering a full-text search result in a full-text search engine level are described herein. According to one embodiment, a filter is defined via a definition statement a filter using a filter name which identifies a filter object representing an implementation of the filter. In response to a search query received at the ORM system from an application client, where the search query identifying the filter via the filter name, a full-text search engine is invoked to perform a full-text search in a database based on one or more keywords in the search query. The filter object is identified based on the filter name extracted from the search query and the filter object associated with the search query is invoked using the filter name of the filter object to filter a search result generated from the full-text search engine. Other methods and apparatuses are also described.