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         ,,.     `,                 DOCUMENT-GRAPH DBMS
       ``        `.                   ORIENT DATABASE
                 ``           http://www.orientechnologies.com

***************************************************************************************************
This document contains the last changes to the OrientDB project.

---------------------------------------------------------------------------------------------------
VERSION 1.5.1 - (September, 3rd 2013)
---------------------------------------------------------------------------------------------------
This is a minor release, only bug fixing.

Full list: https://github.com/orientechnologies/orientdb/issues?milestone=9&page=1&state=closed

---------------------------------------------------------------------------------------------------
VERSION 1.5.0 - (July, 30th 2013)
---------------------------------------------------------------------------------------------------
- New PLOCAL (Paginated Local) storage engine. In comparison with LOCAL it's more durable (no usage
  of MMAP) and supports better concurrency on parallel transactions
- New Hash Index type with better performance on lookups. It does not support ranges
- New "transactional" SQL command to execute commands inside a transaction. This is useful for
  "create edge" SQL command to avoid the graph get corrupted
- Import now migrates RIDs allowing to import databases in a different one from the original
- "Breadth first" strategy added on traversing (Java and SQL APIs)
- Server can limit maximum live connections (to prevent DOS)
- Fetch plan support in SQL statements and in binary protocol for synchronous commands too
- Distributed configuration
- Bug fixing

Full list: https://github.com/orientechnologies/orientdb/issues?milestone=5&page=1&state=closed

---------------------------------------------------------------------------------------------------
VERSION 1.4.2 - (July, 29th 2013)
---------------------------------------------------------------------------------------------------
- Bug fixing

Full list: https://github.com/orientechnologies/orientdb/issues?milestone=7&page=1&state=closed

---------------------------------------------------------------------------------------------------
VERSION 1.4.1 - (June, 18th 2013)
---------------------------------------------------------------------------------------------------
- Bug fixing

Full list: https://github.com/nuvolabase/orientdb/issues?milestone=6&page=1&state=closed

---------------------------------------------------------------------------------------------------
VERSION 1.4.0 - (June, 7th 2013)
---------------------------------------------------------------------------------------------------
- Graph: total rewrite of Blueprints API that now are the default Java interface, support for
         light-weight edges (no document), labeled relationships using separate classes and vertex
         fields
- Storage: new Paged-Local compressed "plocal" engine  (not yet transactional)
- SQL: INSERT and UPDATE supports JSON syntax, improved usage of indexes upon ORDER BY, supported
       timeout in query and global, new create function command, flatten() now is expand(), new
       OSQLMethod classes to handle methods even in chain, new encode() and decode() functions,
       support for new dictionary:<key> as target in SELECT and TRAVERSE
- new SCHEDULER component using CRON syntax
- new OTriggered class to use JS as hook
- MMap: auto flush of pages on regular basis
- Fetch-plan: support for skip field using "-2"
- Index: auto rebuild in background, usage of different data-segment
- Export: supported partial export like schema, few clusters, etc.
- Console: improved formatting of resultsets
- HTTP: new /batch command supporting transaction too, faster connection through /connect command,
        /document returns a JSON
- Studio: UML display of class

Full list: https://github.com/nuvolabase/orientdb/issues?milestone=2&state=closed

-------------------------------------------------------------------------------
VERSION 1.3.0 - (December, 19th 2012)
-------------------------------------------------------------------------------
- SQL: new eval() function to execute expressions
- SQL: new if(), ifnull() and coalesce() functions
- SQL: supported server-side configuration for functions
- SQL: new DELETE VERTEX and DELETE EDGE commands
- SQL: execution of database functions from SQL commands
- SQL: new create cluster command
- Graph: bundled 2 algorithms: Dijkstra and ShortestPath between vertices
- Performance: improved opening time when a connections is reused from pool
- Performance: better management of indexes in ORDER BY
- Schema: new API to handle custom fields
- HTTP/REST: new support for fetch-plan and limit in "command"
- Moved from Google Code to GitHub: https://github.com/nuvolabase/orientdb

Full list: https://github.com/nuvolabase/orientdb/issues?milestone=1&page=1&state=closed

-------------------------------------------------------------------------------
VERSION 1.2.0 - (October, 10th 2012)
-------------------------------------------------------------------------------
- Functions: these are like Stored Procedures for RDBMS but in Javascript
- Record Level Security, just let the class to protect overriding the
  ORestricted abstract class
- Profiler: generation of snapshots
- JMX now is a plugin (not more installed by default)
- Automatic rebuild of schema index on restart after a crash/hard shutdown
- SQL: new EXPLAIN command to profile any commands, new SQL LET keyword to set
       context variables, support for Sub-Queries in CREATE EDGE
- Object Database JPA interface: support for configurable naming policy
- Supported abstract classes (without record cluster)
- Partial unmarshalling of fields to speed up queries
- Automatic backup can start at concrete time
- Console: prompt password if not provided
- Renamed traverse's WHERE in WHILE
- 65 bugs fixed!

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.2.0%2Cv1.2

-------------------------------------------------------------------------------
VERSION 1.1.0 - (July, 24th 2012)
-------------------------------------------------------------------------------
- New distributed server architecture with balance of workload, full
  replication and management of failures
- New MMAP manager optimized for 64bit OS
- Index: new support for binary keys and collections in composite keys
- Support for in-memory database replication
- Object Database added support for attach/detach, ENUM and binary
  data (ORecordBytes)
- SQL: new DROP CLUSTER command, INSERT now supports clusters,
  new CREATE VERTEX and CREATE EDGE commands
- Support for Gephi visual tool
- 50 bugs fixed

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.1.0

-------------------------------------------------------------------------------
VERSION 1.0.1 - (May, 22nd 2012)
-------------------------------------------------------------------------------
- support for TinkerPop 2.0 technology stack
- new OBinary type to index binary field
- Bugs fixed

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0.1

-------------------------------------------------------------------------------
VERSION 1.0 - (May, 14th 2012)
-------------------------------------------------------------------------------
- new Multi-Master Replication architecture
- new Object Database interface that use run-time enhancement. Now handles lazy
  loading, it's lighter and faster than before
- new OTraverse class to traverse graphs via Java API using a stack-free
  approach
- Data segments: added support for multiple ones and create/drop commands
- new ODocument.undo() to revert local changes
- new Server Side Scripting support
- Query: new context variables
- Console: new check database command
- Studio: improved Graph management
- Improved OSGi support
- Fixed more than 40 bugs

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0

-------------------------------------------------------------------------------
VERSION 1.0rc9 - (March, 26th 2012)
-------------------------------------------------------------------------------
- Studio new look&feel and improved Query panel
- SQL: new sub query, new SKIP keyword for pagination,
       INSERT accepts SET syntax like SQL UPDATE
- Update Tinkerpop stack: Gremlin 1.5, Blueprints 1.2 and Pipes 1.0
- Schema: new support for metadata on property
- Many bug fixed, 35 issues in total

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc9

-------------------------------------------------------------------------------
VERSION 1.0rc8 - (February, 2nd 2012)
-------------------------------------------------------------------------------
- New TRAVERSE command to traverse records by relationships
- New fetch-plan to support more complex use cases
- Asynchronous API to speedup insert, update and delete via remote network
- New DECIMAL type to handle currency without pains of float and double types
- Strict schema mode to work like a Relational DBMS
- Resolved the "big-node" problem when a record has many links to other
  records by using a MVRB-Tree to handle relationships
- SQL: new NOT and INSTANCEOF operators
- Index works also against MAP types
- Supported JPA @Embedded annotation
- Many bug fixed, 54 issues in total

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc8

-------------------------------------------------------------------------------
VERSION 1.0rc7 - (December, 5th 2011)
-------------------------------------------------------------------------------
- Transactions: Improved speed, up to 500x! (issue 538)
- New Multi-Master replication (issue 589). Will be final in the next v1.0
- SQL insert supports MAP syntax (issue 582), new date() function
- HTTP interface: JSONP support (issue 587), new create database (issue 566),
  new import/export database (issue 567, 568)
- many bug fixed, 34 issues in total

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc7
-------------------------------------------------------------------------------
VERSION 1.0rc6 - (October, 11th 2011)
-------------------------------------------------------------------------------
- SQL engine: improved link navigation (issue 230)
- Console: new "list databases" command (issue 389)
- Index: supported composite indexes (issue 405), indexing of collections
        (issue 554)
- JPA: supported @Embedded (issue 436) and @Transient annotations
- Object Database: Disable/Enable lazy loading (issue 563)
- Server: new Automatic backup task (issue 556), now installable as
          Windows Service (issue 61)
- Client: Load balancing in clustered configuration (issue 557)

-------------------------------------------------------------------------------
VERSION 1.0rc5 - (August, 22nd 2011)
-------------------------------------------------------------------------------
- SQL engine: new [] operator to extract items from lists, sets, maps and
  arrays
- SQL engine: ORDER BY works with projection alias
- SQL engine: Cross trees and graphs in projections
- SQL engine: IN operator uses Index when available
- Fixed all known bugs on transaction recovery
- Rewritten the memory management of MVRB-Tree: now it's faster and uses much
  less RAM
- Java 5 cmopatibility of common and core subprojects
- 16 issues fixed in total

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc5

-------------------------------------------------------------------------------
VERSION 1.0rc4 - (August, 1st 2011)
-------------------------------------------------------------------------------
- SQL engine: improved mixing functions and operators all together in complex
  combinations
- SQL engine: supported array, collection and maps as query parameters
- New SQL TRUNCATE RECORD command
- JARs are OSGi compliant
- GraphDB: Renamed Vertex "outEdges" and "inEdges" in respectively "out" and 
  "in"
- Fixed problems with drop clusters
- 21 issues fixed in total

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc4

-------------------------------------------------------------------------------
VERSION 1.0rc3 - (July, 14th 2011)
-------------------------------------------------------------------------------
- Improved Index manager to use index also with multiple query condition
  (many thanks to the Exigen team!) 
- Fixed problems with schema refreshing
- Fixed a lot of bugs with distributed clustered configuration (thanks to the
  NuvolaBase team!) 
- New SQL ALTER CUSTER command
- New SQL operator EXISTS
- GraphDB: new SQL GREMLIN() operator to execute Gremlin scripts against the
  SQL query resultset
- GraphDB: integrated Gremlin as command script implementation
- Improved disk space allocation
- Improved performance in general
- 34 issues fixed in total!

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc3

-------------------------------------------------------------------------------
VERSION 1.0rc2 - (June, 17th 2011)
-------------------------------------------------------------------------------
- Fixed multi-threads problems
- Speeded up index searching
- Refactored schema, index and security managers to work in multi-threads
- When use remote as protocol, triggers now work at server-side level
- New SQL BETWEEN operator, useful specially against indexes to execute
  ranged queries
- New SQL ALTER CLASS and ALTER PROPERTy to refactor the db schema
- New Console DROP DATABASE command
- New Console INDEXES command that displays the configured indexes
- New DATE type to handle dates only with YYYY/MM/SS
- New SQL distinct() function
- New SQL union(), intersect() and difference() functions to work with
  collections
- MVCC (Multi-version Concurrency Control) system is enabled also outside
  transactions by default, but can be turned off
- Supported +, -, *, / and % math operations in SQL Query
- Enforced security checks
- GraphDB support multiple edges between two vertexes
- Core is Java5 compatible, the server needs Java6
- 80 issues fixed in total!

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label%3Av1.0rc2

-------------------------------------------------------------------------------
VERSION 1.0rc1 - (May, 3rd 2011)
-------------------------------------------------------------------------------
- New defrag algorithm to reduce holes and therefore disk space
- New super fast lazy collections that optimizes marshalling/unmarshalling
- HTTP protocol handles multipart requestes
- New HTTP Download and Upload commands
- Fixed problems with cluster configuration when multiple dbs was opened
- Added 8 new configuration parameters
- new OLockManager class to lock at record level
- Many bugs fixed

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label:v1.0rc1

-------------------------------------------------------------------------------
VERSION 0.9.25 - (March, 2nd 2011)
-------------------------------------------------------------------------------
- Brand new memory model with level-1 and level-2 caches (Issue #242)
- SQL prepared statement (Issue #49)
- SQL Projections with the support of links (Issue #15)
- Graphical editor for documents in OrientDB Studio app (Issue #217)
- Graph representation in OrientDB Studio app
- Support for JPA annotation by the Object Database interface (Issue #102)
- Smart Console under bash: history, auto completition, etc. (Issue #228)
- Operations to work with GEO-spatial points (Issue #182)
- @rid support in SQL UPDATE statement (Issue #72)
- Range queries against Indexes (Issue #231)
- 100% support of TinkerPop Blueprints 0.5
- Many bugs fixed

Full list: http://code.google.com/p/orient/issues/list?can=1&q=label:v0.9.25

-------------------------------------------------------------------------------
VERSION 0.9.24 - (December, 10th 2010)
-------------------------------------------------------------------------------
New features:
- Support for Clustering with synchronous and asynchronous replication
- New SQL RANGE keyword: SELECT FROM ... WHERE ... RANGE <from> [,<to>]
- New SQL LIMIT keyword: SELECT FROM ... WHERE ... LIMIT 20
- Improved CREATE INDEX command
- New REMOVE INDEX command
- New console command INFO CLASS
- New console command TRUNCATE CLASS and TRUNCATE CLUSTER
- MRB+Tree now is faster and stable
- Improved import/export commands
- Improved JSON compliance
- Improved TRAVERSE operator with the optional field list to traverse
- Fixed a lot of bugs

For the complete list:
http://code.google.com/p/orient/issues/list?can=1&q=label:v0.9.24

-------------------------------------------------------------------------------
VERSION 0.9.23 - (October, 18th 2010)
-------------------------------------------------------------------------------
New features:
- Issue  92: Support for logical cluster in TX
- Issue 125: Cross-domain access to the DB server for Silverlight and Flash
             clients
Bugs:
- Issue  65: Slow query on Index when the value isn't in the database
- Issue  73: OrientDB Studio issues
- Issue  83: ClassCastException occurs
- Issue  99: Deleting docs one by one will cause exception
- Issue 110: ClassCastException occurs in OrientDB Studio
- Issue 113: RegisterEntityClasses once with ODatabaseObjectPool should be
             enough
- Issue 115: Concurrent access fails various ways and performance is bad
- Issue 116: Referenced POJOs are not stored during save
- Issue 117: TreeMap performance degrades under high load
- Issue 118: Registering classes should use fully qualified class name, not
             strings
- Issue 119: Error occurs call OSQLQuery method with the query string that
             starts with white space.
- Issue 121: Debug option in base-build.xml
- Issue 122: An error has occurred while building the revision 1465
- Issue 131: REST api record update requires to repeat all attributes
- Issue 132: Error 500 on curl POST to REST api
- Issue 133: REST api: cannot change record class?
- Issue 135: Stacktrace contradiction, Type BINARY must be a collection
- Fixed other minor bugs

-------------------------------------------------------------------------------
VERSION 0.9.22 - (September, 15th 2010)
-------------------------------------------------------------------------------
New features:
- Issue  21: Full text index against schema fields
- Issue  91: SQL UPDATE against collections and maps
- Issue  94: Support for GREMLIN graph language
- Issue 108: Regular expression support in WHERE clause
- Issue 109: Support for memory clusters inside regular persistent database

Bugs:
- Issue  86: Cannot insert record from console
- Issue  87: Cannot query records from OrientDB Studio Command-page
- Issue 100: Transaction does not work as expected
- Issue 101: Error in using orient queries having ' character
- Issue 104: Bulk record creation in cluster with pre-created indices causes
             ClassCastException
- Issue 105: Error in using UPDATE query
- Fixed other minor bugs

-------------------------------------------------------------------------------
VERSION 0.9.21 - (July, 29th 2010)
-------------------------------------------------------------------------------
- Issue 60: GraphDB implementation
- Issue 8:  Import of exported database
- Issue 70: Connection pool
- Issue 67: Support lazy loaded collections and maps also for ODocument
- Issue 66: Optimize loading of database schema at opening using the fetch plan
- Issue 71: Support record internal field in queries
- Issue 63: Server: logs by default should reside in files
- Issue 69: Java 1.6 creep
- Issue 74: Create class from console
- Issue 75: Sequential document updates from different connections yields
            conncurrent modification exception
- Issue 78: Database corruption
- Issue 79: Error parsing example query
- Issue 80: Root cause not reported on query parsing
- New annotations to control object mapping: ORawBinding, ODocumentId and
  ODocumentInstance
- Fixed other minor bugs

-------------------------------------------------------------------------------
VERSION 0.9.20 - (July, 12nd 2010)
-------------------------------------------------------------------------------
- New run-time Fetch Plans. Example: "parent:0 Address.city:1 *:-1" (Issue #54)
- New database properties (Issue #54)
- POJO callback on serialization/deserialization (Issue #56)
- New annotation to use RAW binding (Issue #57)
- Enhance the base-build.xml to create all required directories (Issue #58)
- Fixed object graph management
- Fixed other minor bugs

-------------------------------------------------------------------------------
VERSION 0.9.19 - beta (June, 25th 2010)
-------------------------------------------------------------------------------
- Issue #10: support for native inheritance between Documents and POJOs
- Issue #45: implemented not-unique indexes
- Issue #47: support ORDER BY clause in SQL SELECT statements
- Issue #53: Improved description on errors 
- Issue #50: Auto register Remote Engine if available
- Fixed other bugs (user loading, logical cluster casts)
-------------------------------------------------------------------------------
VERSION 0.9.18 - beta (June, 21st 2010)
-------------------------------------------------------------------------------
- New SQL command "create link" to create physical connection between records.
  Useful when import a Relational DBMS. Use the "inverse" form to map 1-N
  relationships
- New console command "import documents" to import JSON document 
- New SQL command "create property" to add schema full properties
- Added status in OUser and checked when login. By default is ACTIVE
- Issue #44: support of ORID in queries. Example: SELECT FROM profile WHERE
             friends IN [10:3, 10:1]
- Fixed other bugs (not null, not equals, encoding)

-------------------------------------------------------------------------------
VERSION 0.9.17 - beta (June, 7th 2010)
-------------------------------------------------------------------------------
- New Index API to create a unique index for each property. This speed up the
  performance of queries but slow down updates, inserts and deletes
- OrientDB Studio: new rendering for links
- Fixed bug on embedded type in collections

-------------------------------------------------------------------------------
VERSION 0.9.16 - beta (May, 31st 2010)
-------------------------------------------------------------------------------
- New Hook API. Like triggers of RDBMS but call Java app code
- Fixed all the bugs reported by the user in the last weeks (schema and
  serialization)

-------------------------------------------------------------------------------
VERSION 0.9.15 - beta (May, 27th 2010)
-------------------------------------------------------------------------------
- New management of users and roles
- New SQL commands: GRANT and REVOKE to manage permissions
- Enforced security in OrientDB Server with the support of Server users. The
  Server administrator account is created at first start of the Server with
  a random password
- Fixed minor issues
- Changed *.config files to *.xml

-------------------------------------------------------------------------------
VERSION 0.9.14 - beta (May, 21st 2010)
-------------------------------------------------------------------------------
- New Database structure. Logical clusters now are well integrated at storage
  level
- Improved OrientDB Studio with authentication, user, roles, clusters,
  db and server properties, etc.
- New User and Role management
- More flexible management of types in ODocument instances
- Supported HTTP Authentication basic
- Fixed some bugs in concurrency with high number of clients

-------------------------------------------------------------------------------
VERSION 0.9.13 - beta (May, 10th 2010)
-------------------------------------------------------------------------------
- New HTTP RESTful interface to the OrientDB Server
- New OrientDB Server Studio GUI to manage documents, requests and monitor the
  active connections. It's 100% web client-side
  application built with HTML, CSS and JQuery
- Fixed minor bugs on http-connections

-------------------------------------------------------------------------------
VERSION 0.9.12 (beta) - beta (May, 5th 2010)
-------------------------------------------------------------------------------
- Full support to asynchronous remote command execution. Now only SQL has been
  implemented (select, insert, update, delete)
- Fixed bug on LIKE operator
- Improved JMX monitoring support for OrientDB Server: active sessions,
  configured handlers and protocols, status, etc.
- Changed the default OrientDB Server port to 2424 and for OrientKV Server has
  been assigned the 2431.

-------------------------------------------------------------------------------
VERSION 0.9.11 (beta) - beta (April, 28th 2010)
-------------------------------------------------------------------------------
- New support for SQL commands INSERT, UPDATE and DELETE. Now everybody that
  knows SQL can start using OrientDB without the need to learn a complex syntax
  or, at worst, a Map/Reduce!

-------------------------------------------------------------------------------
VERSION 0.9.10 (beta) - beta (April, 24th 2010)
-------------------------------------------------------------------------------
- Operator traverse now accepts optional parameters to limit deep of
  recursivity: traverse(minDeep, maxDeep)
- any() and all() can accept chain of field operators such. Example:
  select from Profile where any() traverse(0,3) (any().indexOf( 'Navona' ) >-1)
- Orient Server loads any db placed in $ORIENT_HOME/databases directory without
  the need to configure them
- Memory databases can be used and shared on any Orient Server instances."temp"
  is the memory database pre-configured by default

-------------------------------------------------------------------------------
VERSION 0.9.9 (beta) - beta (April, 21st 2010)
-------------------------------------------------------------------------------
- Refactored SQL query engine to support external custom operators
- Improved POJO <-> ODocument conversion and performance
- New operators in test: any(), all() and traverse()
- Migrated demo database from petshop to demo with a Twitter-like app called
  "Whiz", specially useful to test traverse of graphs
- Implemented constraints on date (min/max)
- Fixed bug on circular references problem
- New Lazy-loaded list of pojo from ODocument converted only upon request

-------------------------------------------------------------------------------
VERSION 0.9.8 (beta) - beta (April, 18th 2010)
-------------------------------------------------------------------------------
- Fixed issue #20 (http://code.google.com/p/orient/issues/detail?id=20)
- Minor refactoring to support partitioning in Key/Value Server

-------------------------------------------------------------------------------
VERSION 0.9.7 (beta) - beta (April, 14th 2010)
-------------------------------------------------------------------------------
- Fixed problem on 'create database' and 'create cluster' console commands.
- Removed buggy 'create record' command in favor of new SQL 'insert' available
  in the next days

-------------------------------------------------------------------------------
VERSION 0.9.6 (beta) - beta (April, 12nd 2010)
-------------------------------------------------------------------------------
- Splitted Orient release in two: Database and Key/Value Server. Starting from
  now the Key/Value Server is distributed separately

-------------------------------------------------------------------------------
VERSION 0.9.5 (beta) - beta (April, 9th 2010)
-------------------------------------------------------------------------------
- Improved the speed of Key/Value Server +35%
- New console commands: get, set, properties, browse class, browse cluster,
                        export record
- The console now is able to display any kind of record
- New method ODocument.toJSON() that export in JSON format

-------------------------------------------------------------------------------
VERSION 0.9.4 (beta) - beta (April, 8th 2010)
-------------------------------------------------------------------------------
- Fixed bug on Key/Value Server in HTTP protocol parsing
- New benchmarks folder to test performance of the Key/Value Server
- Renamed many classes to the final names

-------------------------------------------------------------------------------
VERSION 0.9.3 (beta) - beta (April, 6th 2010)
-------------------------------------------------------------------------------
- Added new console commands:
  - dictionary keys
  - dictionary get
  - dictionary put
  - load record
  - display record
- Fixed minor bug on serialization

-------------------------------------------------------------------------------
VERSION 0.9.2 (beta) - beta (April, 2nd 2010)
-------------------------------------------------------------------------------
First public release created by the knowledge acquired by Orient ODBMS. The new
engine was totally rewritten in Java (before it was in C++) with a lot of
improvement and new functionalities.
