casbah

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Querying by Comparing to ObjectId

I have val maxId = new ObjectId(...) and I want to query something like this: collection.find(\"_id\" $lte maxId). This is a compilation failure since ObjectId doesn\'t include the appropriate trait V[详细]

2023-04-10 15:15 分类：问答
Group By (Aggregate Map Reduce Functions) in MongoDB using Scala (Casbah/Rogue)

Here\'s a specific query I\'m having trouble with. I\'m using Lift-mongo- records so that i can use Rogue. I\'m happy to use Rogue specific[详细]

2023-04-02 03:59 分类：问答
using the oplog monitoring class in casbah

I am trying to use the oplog monitoring class in casbah https://github.com/mongodb/casbah/blob/master/casbah-core/src/main/scala/util/OpLog.scala[详细]

2023-03-22 10:47 分类：问答
Should I use MongoDb module or morphia module or Casbah in play framework for MongoDb?

I am working on a play framework project with scala in which I want to have Scala domain classes (or even Java domain classes) using MongoDb as data store.[详细]

2023-03-15 13:44 分类：问答
What scala domain models for play framework 1.2.2RC1+ looks like when using Casbah?

The document开发者_如何学Goation for Casbah does not mention play framework. What is the format of scala domain model for Casbah in Play framework 1.2.2RC1+[详细]

2023-03-15 05:59 分类：问答
What is the performance impact of using Casbah as opposed to directly using MongoDb java driver?

Casbah is another layer on top of Java driver for MongoDb. Would this reduce performance of queries and updates in MongoDb database in scala projects when using Casbah as 开发者_运维百科opposed to dir[详细]

2023-03-15 03:44 分类：问答
Casbah & Rogue for MongoDB - Querying capabilities

I\'m currently using Casbah with MongoDB for implementing web service. I开发者_JAVA技巧 am having no problems with it so far. I am using Scala as well.[详细]

2023-03-04 17:33 分类：问答
how to cast a Mongo BasicDBList to an immutable scala list

I have a BasicDBList that has been persisted into the database. I am now reading the data and trying to convert the list to an immutable scala list a开发者_运维百科s shown:[详细]

2023-02-28 19:35 分类：问答
how to avoid race condition when using Scala's Actor

I am writing a piece of code that would populate a mongoDB collection when the buffer (list) grow to a certain size.[详细]

2023-02-28 10:41 分类：问答
MongoDB Casbah query field not exist or specific value

I would like to perform a query using casbah in order to 开发者_如何学编程find all objects that have a certain field not set (the field does not exist) or the field has a particular value.[详细]

2023-02-25 23:42 分类：问答