I have a structure like this: [_id] => MongoId Object ( [$id] => 4e91bcb40b7aab256c000000 ) [campaigns] => Array (
I have a MongoDB structure which currently looks like this: [campaigns] => Array ( [0] => Array (
Title basically describes the question.I\'m assuming if it comes out as an array it will be maintained, but if 开发者_如何学编程a hash it will not.I\'m just not sure which is it using.
If I want to select documents that meet two specific criteria, how do I format the query? Right now I开发者_开发技巧 currently have this:
> db.foo.remove() > db.foo.insert( { foo : \"bar\" } ) > var cursor = db.foo.find( {开发者_运维问答 foo : \"bar\" } ).sort({x : 1})
I have a getter that looks like this : UserSchema .path(\'avatar\') .get(function(avatar){ if(!avatar){ avatar = \"defaultAvatar.jpg\";
I have a document with only about 200 elements in it.But I am still getting a very slow response just by querying it like:
in mysql I can administer my database (the primary goal is to a have an automate开发者_开发百科d build of the database by sequentially applying changes to it with scripts) by running commands like thi
I am getting some errors on MongoDB side, the error is complaining that it reached the max allowed connections.
It was corrected two开发者_如何学JAVA days ago. And yesterday I committed some changes to heroku and the application crashed, I found from heroku logs that:
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