MongoDB — Text Search

Create Text Index

db.articles.createIndex({ content: "text" })

Text Search

db.articles.find({ $text: { $search: "mongodb" } })

Search Phrases

db.articles.find({ $text: { $search: "\"mongodb database\"" } })

Exclude Words

db.articles.find({ $text: { $search: "mongodb -sql" } })

Text Score

db.articles.find(
  { $text: { $search: "mongodb" } },
  { score: { $meta: "textScore" } }
).sort({ score: { $meta: "textScore" } })

Multiple Fields

db.articles.createIndex({ title: "text", content: "text" })

Language Support

db.articles.createIndex(
  { content: "text" },
  { default_language: "english" }
)

Mini Practice

1. Create text index
2. Search for terms
3. Use text score
4. Search multiple fields

Up Next

Continue with Schema Design — schema design patterns.