What is explain index in pouchDB

Question

Explain index

db.explain(request [, callback])

Explain the query plan for a given query

pouchdb-find plugin needed: This API requires the pouchdb-find plugin. See Mango queries for installation instructions.

Example Usage:

• Async functions
• Promises
• Callbacks

db.explain({
  selector: {
    name: 'Mario',
    series: "mario"
  },
  fields: ['_id', 'name'],
  sort: ['name']
}).then(function (explanation) {
  // view explanation
}).catch(function (err) {
  console.log(err);
});

Example Response:

{
  "dbname":