How to OR in MongoDB?

Question

MongoDB

To select fields by conjunction of two conditions, we simply write:
db.blabla.find({ field1: value1, field2: value2 })

but how to make the query be with disjunction? To select everything, where field1 = value1 OR field2 = value2?

Maybe I'm very bad at reading mana, but I've been fighting for a long time, usually I found a way to get around (sometimes through $in, if the field is one), but now I'm at an impasse.

upd: While I was publishing the post, I found that the $or feature was added in 1.5.3. That is, in 1.4 there is no way? How did you live before?

Answer 1

And since when did the use of nosql become convenient?
Be patient. Write two requests.

Answer 2

There is no way in 1.4. Basta :-) You can do (but very slowly) or, specifying the code where you can do anything as one of the find js criteria.