Firebird 2.0.7 Release Notes Helen Borrie (Collator/Editor) 5 April 2012 - Document v. 0207_02 - for Firebird 2.0.7 Firebird 2.0.7 Release Notes 5 April 2012 - Document v. 0207_02 - for Firebird 2.0.7 Helen Borrie (Collator/Editor) Table of Contents 1. General Notes .................................................................................................................................... 1 Sub-release 2.0.7 ............................................................................................................................ 1 Sub-release 2.0.6 ............................................................................................................................ 1 Sub-release 2.0.5 ............................................................................................................................ 1 Important Change to API DPB Parameters .............................................................................. 2 Recently Discovered Issues with gfix ...................................................................................... 2 Sub-release 2.0.4 ............................................................................................................................ 2 Sub-release 2.0.3 ............................................................................................................................ 3 Known Issues ........................................................................................................................ 3 Sub-release 2.0.2 ............................................................................................................................ 3 Sub-release 2.0.1 ............................................................................................................................ 3 Windows Vista and XP/Server2003 Users ............................................................................... 4 Important Reversion ............................................................................................................... 4 Before You Proceed ....................................................................................................................... 4 Back Up! ....................................................................................................................................... 4 Compatibility Issues ....................................................................................................................... 4 Incomplete Implementations ........................................................................................................... 5 Bug Reporting and Support ............................................................................................................ 5 Documentation ............................................................................................................................... 6 The “Firebird Docs” Project ................................................................................................... 6 Your Main Documentation ..................................................................................................... 6 2. New in Firebird 2.0 ........................................................................................................................... 7 Derived Tables ............................................................................................................................... 7 PSQL Now Supports Named Cursors .............................................................................................. 7 Reimplemented Protocols on Windows ........................................................................................... 7 Local Protocol--XNET ........................................................................................................... 7 Change to WNET (“NetBEUI”) Protocol ................................................................................ 8 Reworking of Garbage Collection ................................................................................................... 8 Porting of the Services API to Classic is Complete .......................................................................... 9 Lock Timeout for WAIT Transactions ............................................................................................ 9 New Implementation of String Search Operators ............................................................................. 9 Reworking of Updatable Views .................................................................................................... 10 Additional Database Shutdown Modes Introduced .......................................................................... 10 UDFs Improved re NULL Handling .............................................................................................. 11 Signalling SQL NULL ......................................................................................................... 11 Run-time Checking for Concatenation Overflow ............................................................................ 11 Changes to Synchronisation Logic ................................................................................................ 11 Support for 64-bit Platforms ......................................................................................................... 12 Record Enumeration Limits Increased ........................................................................................... 12 Debugging Improvements ............................................................................................................. 12 Improved Reporting from Bugchecks .................................................................................... 12 Updated Internal Structure Reporting .................................................................................... 12 New Debug Logging Facilities .............................................................................................. 12 Diagnostic Enhancement ....................................................................................................... 12 Improved Connection Handling on POSIX Superserver .................................................................. 12 PSQL Invariant Tracking Reworked .............................................................................................. 13 ROLLBACK RETAIN Syntax Support ......................................................................................... 13 No More Registry Search on Win32 Servers ................................................................................. 13 iv Firebird 2.0.7 Release Notes More Optimizer Improvements ..................................................................................................... 13 ODS Changes .............................................................................................................................. 14 3. Changes to the Firebird API and ODS .............................................................................................. 15 API (Application Programming Interface) ..................................................................................... 15 User Restrictions in the DPB ................................................................................................ 15 Cleanup of ibase.h ................................................................................................................ 16 Lock Timeout for WAIT Transactions ................................................................................... 16 isc_dsql_sql_info() Now Includes Relation Aliases ................................................................ 16 Enhancement to isc_blob_lookup_desc() ................................................................................ 16 API Identifies Client Version ................................................................................................ 16 Additions to the isc_database_info() Structure ....................................................................... 17 Additions to the isc_transaction_info() Structure .................................................................... 17 Improved Services API ......................................................................................................... 18 ODS (On-Disk Structure) Changes ........................................................................................ 20 4. Data Definition Language (DDL) ...................................................................................................... 22 New and Enhanced Syntaxes ........................................................................................................ 22 CREATE SEQUENCE ......................................................................................................... 22 REVOKE ADMIN OPTION FROM ..................................................................................... 23 SET/DROP DEFAULT Clauses for ALTER TABLE ............................................................. 23 New Syntaxes for Changing Exceptions ................................................................................ 23 ALTER EXTERNAL FUNCTION ........................................................................................ 24 COMMENT Statement Implemented ..................................................................................... 24 Extensions to CREATE VIEW Specification ......................................................................... 25 RECREATE TRIGGER Statement