Lucene -- Field. Store (storage domain options) and Field. Index (Index options), external efield. store
Field. Store. YES or NO (storage domain option)
Set "YES" to indicate that the content in this field is completely stored in the file for text restoration.
If NO is set, the content of this domain is not stored in the file, but can be indexed. At this time, the content cannot be completely restored (doc. get)
Field. Index (Index options)
Index. ANALYZED: used for Word Segmentation and indexing. It is suitable for titles and content.
Index. NOT_ANALYZED: performs an Index but does not perform word segmentation. If the ID card number, name, and ID are used for exact search
Index. ANALYZED_NOT_NORMS: Performs word segmentation but does not store norms information. This norms includes the Index creation time and weight information.
Index. NOT_ANALYZED_NOT_NORMS: No Word Segmentation or norms information is stored.
Index. NO: NO Index