mongo-ruby-driver/docs/HISTORY.md

# MongoDB Ruby Driver History

### 1.1.4
2010-11-30

* Important connection failure fix.
* ObjectId#to_s optimization (David Cuadrado).

### 1.1.3
2010-11-29

* Distributed reads for replica set secondaries. See /docs/examples/replica_set.rb and
  http://api.mongodb.org/ruby/current/file.REPLICA_SETS.html for details.
* Note: when connecting to a replica set, you must use Connection#multi.
* Cursor#count takes optional skip and limit
* Collection#ensure_index for caching index creation calls
* Collection#update and Collection#remove now return error object when using safe mode
* Important fix for int/long serialization on bug introduced in 1.0.9
* Numerous tweaks and bug fixes.

### 1.1.2
2010-11-4

* Two critical fixes to automated failover and replica sets.
* Bug passing :timeout to Cursor.
* Permit safe mode specification on Connection, Collection, and DB levels.
* Specify replica set name on connect to verify connection to the right set.
* Misc. reorganization of project and docs.

### 1.1.1
2010-10-14

* Several critical JRuby bug fixes
* Fixes for JRuby in 1.9 mode
* Check keys and move id only when necessary for JRuby encoder

## 1.1
2010-10-4

* Official JRuby support via Java extensons for BSON (beta)
* Connection#lock! and Connection#unlock! for easy fsync lock
* Note: BSON::Code is no longer a subclass of String.

### 1.0.9
2010-9-20

* Significant performance improvements (with a lot of help from Hongli Lai)

### 1.0.8
2010-8-27

* Cursor#rewind! and more consistent Cursor Enumberable behavior
* Deprecated ObjectID for ObjectId
* Numerous minor bug fixes.

### 1.0.7
2010-8-4

* A few minor test/doc fixes.
* Better tests for replica sets and replication acknowledgment.
* Deprecated DB#error and DB#last_status

### 1.0.6
2010-7-26

* Replica set support.
* Collection#map_reduce bug fix.

### 1.0.5 
2010-7-13

* Fix for bug introduced in 1.0.4.

### 1.0.4
2010-7-13

* Removed deprecated
  * Cursor admin option
  * DB#query
  * DB#create_index (use Collection#create_index)
  * DB#command only takes hash options now
* j2bson executable (neomantra)
* Fixed bson_ext compilation on Solaris (slyphon)
* System JS helpers (neovintage)
* Use one mutex per thread on pooled connections (cremes)
* Check for CursorNotFound response flag
* MapReduce can return raw command output using :raw
* BSON::OrderedHash equality with other Ruby hashes (Ryan Angilly)
* Fix for broken Socket.send with large payloads (Frédéric De Jaeger)
* Lots of minor improvements. See commmits.

### 1.0.3
2010-6-15

* Optimiztion for BSON::OrderedHash
* Some important fixes.

### 1.0.2
2010-6-5

This is a minor release for fixing an incompatibility with MongoDB v1.5.2

* Fix for boolean response on commands for core server v1.5.2
* BSON.read_bson_document and b2json executable (neomantra)
* BSON::ObjectID() shortcut for BSON::ObjectID.from_string (tmm1)
* Various bug fixes.

### 1.0.1
2010-5-7

* set Encoding.default_internal
* DEPRECATE JavaScript string on Collection#find. You now must specify $where explicitly.
* Added Grid#exist? and GridFileSystem#exist?
* Support for replication acknowledgment
* Support for $slice
* Namespaced OrderedHash under BSON (sleverbor)

## 1.0
2010-4-29
Note: if upgrading from versions prior to 0.20, be sure to upgrade
to 0.20 before upgrading to 1.0.

* Inspected ObjectID is represented in MongoDB extended json format.
* Support for tailable cursors.
* Configurable query response batch size (thx. to Aman Gupta)

* bson_ext installs on early release of Ruby 1.8.5 (dfitzgibbon)
* Deprecated DB#create_index. Use Collection#create_index index.
* Removed deprecated Grid#put syntax; no longer requires a filename.

### 0.20.1
2010-4-7

* Added bson gem dependency.

### 0.20
2010-4-7

If upgrading from a previous version of the Ruby driver, please read these notes carefully,
along with the 0.20_UPGRADE doc.

* Support for new commands:
  * Collection#find_and_modify
  * Collection#stats
  * DB#stats
* Query :fields options allows for values of 0 to exclude fields (houdini, railsjedi).
* GridFS
  * Option to delete old versions of GridFileSystem entries.
  * Filename is now optional for Grid#put.
  * Option to write arbitrary attributes to a file: @grid.put(@data, :favorite_phrase => "blimey!")
  * Indexes created on the chunks collection are now unique. If you have an existing chunks collection,
    you may want to remove 
* Removed the following deprecated items:
  * GridStore class
  * RegexpOfHolding class
  * Paired connections must now be initialized with Connection.paired

* BSON-related code extracted into two separate gems: bson and bson_ext (thx to Chuck Remes).
  * mongo_ext no longer exists.
  * BSON::Binary constructor can now take a string, which will be packed into an array.
  * Exception class adjustments:
    * Mongo::InvalidObjectID moved to BSON::InvalidObjectID
    * Mongo::InvalidDocument moved to BSON::InvalidDocument
    * Mongo::InvalidStringEncoding moved to BSON::InvalidStringEncoding
    * Mongo::InvalidName replaced by Mongo::InvalidNSName and BSON::InvalidKeyName
  * BSON types are now namespaced under the BSON module. These types include:
    * Binary
    * ObjectID
    * Code
    * DBRef
    * MinKey and MaxKey
  * Extensions compile on Rubinius (Chuck Remes).

## Prior to 0.20

See git revisions.