Change Log
==============
2008/11/06 (IBM_DB adapter 1.0.0, driver 0.10.0):
  - Support for short-hand migration syntax for datatype char and double in create_table
  - Support for short-hand migration syntax for datatypes xml, char and double in change_table
  - Support for secure connections using SSL (SECURITY=SSL) feature of DB2 in Adapter
      Note: - This is supported from client version V9.5fp2 and onwards
  - Support for altering the nullability constraint of a column.
  - Added correct mapping for datatype :double for DB2 and Informix (double precision)
  - Method support_ddl_transactions? overridden to return true. Feature of Rails2.2 
      IBM Dataservers support transactional migrations.
  - Change in the style of accessing driver methods 
      Changed from scope resolution operator to dot operator
      IBM_DB::connect '<db_name>','<username>','<pwd>' to IBM_DB.connect '<db_name>','<username>','<pwd>'
  - Fixed Bug [#22430] --> Fixed limit ignorance for type character [char]    
  - ActiveRecord-2.1.2 test suite changes for IBM_DB   
               
2008/09/01 (IBM_DB adapter 0.10.0, driver 0.10.0):
  - Added Trusted Context support in Driver
  - Made changes for the correct Mapping of Informix DataTypes to Ruby DataTypes
  - ActiveRecord-2.1.0 test suite changes appropriate for DB2/IDS is been updated
   
2008/06/24 (IBM_DB adapter 0.9.5, driver 0.9.5):
  - Fixed Bug [#19222] --> Fixed fixture insertion of LOB columns for DB2 
  - Fixed Bug [#19970] --> Fixed Table schema dumper also dump views
  - Fixed Bug [#20053] --> Fixed CLOB data with special chars contains null characters upon retrieval
  - Fixed Bug [#20762] --> IBM_DB adapter with Rails 2.1 fails on rake db:migrate
  - Cleaned up fix for Bug [#19223] and [#19224], indexes are now dumped as array without schema qualified name.
  - Support for Rails-2.0.2
  - Support for Rails-2.1.0 
      Rails-2.1.0 contains changes that generates Non-standard SQL in 2 noticed cases which won't work with SQL compliant databases like DB2
       a. Handling Nullable columns in Table creation. [http://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/398-non-standard-sql-generated-in-column-definition-for-nullable-columns-in-create-table-ddl-rails-2-1#ticket-398-2]
       	     A workaround for this problem is provided from within ibm_db adapter.
       b. Handling has_and_belongs_to_many association. [http://rails.lighthouseapp.com/projects/8994/tickets/394-patch-fixed-non-standard-sql-generated-by-preloading-has_and_belongs_to_many-associations]. 
       	     It is not possible to provide a workaround for this from within the ibm_db adapter. 
             To workaround this problem please patch ActiveRecord-2.1.0 with the patch available at [http://rails.lighthouseapp.com/attachments/26975/association_preloading.diff]
  
2008/04/28 (IBM_DB adapter 0.9.4, driver 0.9.4):
  - Fixed bug [#19679]--> invalid values being returned for blank or null in fetch_assoc
  - Fixed bug [#19223] and [#19224]--> handling of composite and unique indexes incorrect
  - Support for the Rails2.0 type of migrations for columns of type xml [t.xml :xml_col1,:xml_col2]
   
2008/03/10 (IBM_DB adapter 0.9.3, driver 0.9.3):
  - Resolved the issue of truncation of output when stored procedure was called
  
2007/11/30 (IBM_DB adapter 0.9.2, driver 0.9.1):
  - Lifted index length limitation (18 chars) and fixed multiple index creation
  - Fixed [#13294] limit/offset breaks subselect in db2 adapter
  - Fixed error handling for metadata retrieval (tables, columns, indexes)

2007/11/07 (IBM_DB adapter 0.9.1, driver 0.9.1):
  - Fixed ibm_db driver VC80 runtime issue on Windows

2007/09/28 (IBM_DB adapter 0.9.0, driver 0.9.0):
  - Fixed ibm_db gem 0.8.5 incompatibility with DB2 CLI 9.1 FP3 and below

2007/09/13 (IBM_DB adapter 0.8.5, driver 0.8.5):
  - Fixed Ruby driver crash on Windows Vista [#13357]

2007/07/05 (IBM_DB adapter 0.8.0, driver 0.7.0):
  - Support for Informix Dynamic Server 11.10
  - New driver method get_last_serial_value to retrieve last inserted serial
    value for Informix Dynamic Server

2007/06/19 (IBM_DB adapter 0.7.5, driver 0.6.0):
  - Driver code (ibm_db.c) remains at the same level: 0.6.0 (no changes)
  - Fixed client attributes initialization on connection setup [11264]
  - Fixed rake db:schema:dump native data types limits incompatible with table create

2007/06/01 (IBM_DB adapter 0.7.0, driver 0.6.0):
  - Driver code (ibm_db.c) remains at the same level: 0.6.0 (no changes)
  - Fixed remaining failure on {:null => true} option for XML data type [#10877]
  - Fixed handling of {:id => false} option during table creation in DB2 for zOS
  - Fixed handle_lobs failures in table creation for has_many/belongs_to [#10701]
  - Fixe db2-i5-zOS.yaml content (removed inadvertent tab) [#11234]

2007/05/10 (IBM_DB adapter 0.6.5, driver 0.6.0):
  - Driver code (ibm_db.c) remains at the same level: 0.6.0 (no changes)
  - Fixed regression for reconnect after being inactive (connection recycle)
  - Fixed rake db:schema:load failures on boolean data type [#10683]
  - Fixed XML default option (:null => true for XML data type) [#10754]
  - Fixed DB2 for zOS version 9 handling of column changes for DEFAULT NULL

2007/04/30 (0.6.0):
  - Support for remote connections to DB2 Universal Database on z/OS version 9
  - Support for result set pagination via ActiveRecord add_limit_offset! method 
    for DB2 Universal Database on z/OS and i5/OS
  - Defect fixes
  - Improved documentation 

2007/04/20 (0.4.6):
  - Fixed XML columns creation default value (NOT NULL)
  - Fixed border case for IS NULL in where clauses
  - Improved documentation (connection attributes)

2007/04/20 (0.4.5):
  - Fixed reconnect problems: driver (IBM_DB::active) and adapter (active)
  - Client connection attribute rename (app_user to replace user)
  - Improved support for ROWID data type (DB2 for zOS version 8 and 9)

2007/03/21 (0.4.0):
  - Support added for remote connectivity to DB2 zOS version 8
  - Support added for remote connectivity to DB2 i5 v5r3 and v5r4
  - Improved migration support (added change_column method)
  - Support for setting and retrieving values for client attributes (user, 
    account, application, workstation)

2006/10/31 (0.2.0):
  - Significant performance improvements
  - Improved stored procedure support at driver level
  - Added support for Large Object data types (LOBs) greater than 32K (BLOB, CLOB, XML) in size
  - Added XML data type support for native storage of XML documents
  - Significant quality improvements, through many bug fixes in the driver and adapter
  - Improved migration support (added add_column and remove_column methods)

2006/06/07 (0.1.0):

  - Fixed compatibility issue with other adapters
  - If a schema is omitted in database.yml, the username is now used as default schema
  - Introduced descriptive CLI error messages when a connection or an execute statement fails
  - Introduced check against schema in method 'indexes'