title: Full text search in PostgreSQL JSON (schema-less, NoSQL-like)
body: <p>I trying to decide between PostgreSQL and MongoDB for a project I'll be doing, and I need a schema-less storage and a full text search engine. THe first one is covered by both options, but I'm not so sure about the second one.</p>
  
  <p>Is PostgreSQL able to do full text searches in a JSON data and more specifically, only in certain fields inside that JSON data?</p>
  
  <p>Also, which one is more precise for full text  search, the built-in search engine  in  PostgreSQL or the one in MongoDB?  Or I'll be better using something completely different as Sphinx <strike>or ElasticSearch</strike>? And if the second one, what databases do it support?</p>