Mastering MongoDB 4.x - Second Edition

Text indexes

Text indexes are special indexes on string value fields, used to support text searches. This book is based on version 3 of the text index functionality, available since version 3.2.

A text index can be specified similarly to a regular index, by replacing the index sort order (-1, 1) with the word text, as follows:

> db.books.createIndex({"name": "text"})

A collection can have one text index, at the most. This text index can support multiple fields, text or not. It cannot support other special types, such as multikey or geospatial. Text indexes cannot be used for sorting results, even if they are only a part of a compound index.

Since we only have one text index per collection, we need to choose the fields wisely. Reconstructing ...