queries and search keywords in couchdb documents

Question

I would search a keyword or search complex expression in a document stored in couchdb. There are examples that show me how can I proceed? An example, after storing a txt or pdf document, I need to search a particular word or expression inside the document

eg the number of word "foo" in a pdf document stored in couchdb database, the expression "this is an example" inside a huge and long txt document.

Answer 1

您所追求的就是“全文索引”，如果您搜索该短语并添加“ couchdb”，您将看到所有不同类型的选项，如Lucene ， indexer和ElasticSearch