Common Types of field classes (fields) in LUCENE/SOLR, and field attribute parsing _lucene

Ø whether participle (tokenized)

is: The field stored content for participle, the purpose of participle is to index.

For example: commodity name, product description, commodity price

No: You do not need to segment the contents of the field store, do not participle, do not represent no index, but the entire content index.

For example: Product ID

Ø whether index (Indexed)

is to index the words that are divided, and the purpose of indexing is to search.

For example: commodity name, product description, commodity price, Product ID

No: No indexing, that is, no search for the field field.

Ø whether storage (Stored)

is to store the content in the Field field in the document field. The purpose of the store is to search for the page to display the value.

For example: commodity name, commodity price, commodity ID, product picture address

No: Do not store the contents of the Field field in the document field. is not stored, the value of the Field field is not available in the search page.

For example: Product description, because the product description in the search page does not need to display, plus the content of the product description is more, so there is no need to store 0