Firebird 2.1 Release Notes

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Table of Contents 1. General Notes .................................................................................................................................... 1 Firebird 2.1.5 Security Update 1 ..................................................................................................... 1 Patch Release 2.1.5 ........................................................................................................................ 1 Improvements ........................................................................................................................ 1 Patch Release 2.1.4 ........................................................................................................................ 1 Additions in this Sub-release .................................................................................................. 2 Improvements ........................................................................................................................ 2 Bugs Fixed ............................................................................................................................ 2 Patch Release 2.1.3 ........................................................................................................................ 2 Issues to Note ........................................................................................................................ 2 Patch Release 2.1.2 ........................................................................................................................ 3 Patch Release 2.1.1 ........................................................................................................................ 4 Bug Reporting ............................................................................................................................... 5 Additional Documentation .............................................................................................................. 5 2. New in Firebird 2 .............................................................................................................................. 6 New Features Implemented ............................................................................................................ 6 On-Disk Structure .................................................................................................................. 6 Database Triggers .................................................................................................................. 6 SQL and Objects ................................................................................................................... 6 Procedural SQL ..................................................................................................................... 8 Security ................................................................................................................................. 8 International Language Support .............................................................................................. 8 Platform Support .................................................................................................................... 9 Administrative ....................................................................................................................... 9 Remote Interface .................................................................................................................... 9 Derived Tables ..................................................................................................................... 10 PSQL Now Supports Named Cursors .................................................................................... 10 Reimplemented Protocols on Windows .................................................................................. 10 Reworking of Garbage Collection ......................................................................................... 11 Porting of the Services API to Classic is Complete ................................................................ 12 Lock Timeout for WAIT Transactions ................................................................................... 12 New Implementation of String Search Operators .................................................................... 12 Reworking of Updatable Views ............................................................................................ 12 Additional Database Shutdown Modes Introduced .................................................................. 13 UDFs Improved re NULL Handling ...................................................................................... 13 Run-time Checking for Concatenation Overflow .................................................................... 13 Changes to Synchronisation Logic ........................................................................................ 14 Support for 64-bit Platforms ................................................................................................. 14 Record Enumeration Limits Increased ................................................................................... 14 Debugging Improvements ..................................................................................................... 14 Improved Connection Handling on POSIX Superserver .......................................................... 15 PSQL Invariant Tracking Reworked ...................................................................................... 15 ROLLBACK RETAIN Syntax Support ................................................................................. 15 No More Registry Search on Win32 Servers .......................................................................... 15 More Optimizer Improvements ............................................................................................. 16 3. Changes to the Firebird API and ODS .............................................................................................. 17 API (Application Programming Interface) ..................................................................................... 17 User Restrictions in the DPB ................................................................................................ 17 iv
Firebird 2.1 Release Notes Cleanup of ibase.h ................................................................................................................ 18 Lock Timeout for WAIT Transactions ................................................................................... 18 isc_dsql_sql_info() Now Includes Relation Aliases ................................................................ 18 Enhancement to isc_blob_lookup_desc() ................................................................................ 18 API Identifies Client Version ................................................................................................ 18 Additions to the isc_database_info() Structure ....................................................................... 19 Additions to the isc_transaction_info() Structure .................................................................... 19 Improved Services API ......................................................................................................... 20 New Function for Delivering Error Text ................................................................................ 21 Accommodation of New Shutdown Parameters .......................................................... 21 ODS (On-Disk Structure) Changes ................................................................................................ 22 New ODS Number ............................................................................................................... 22 Size limit for exception messages increased ........................................................................... 22 New Description Field for Generators ................................................................................... 22 New Description Field for SQL Roles ................................................................................... 22 “ODS Type” Recognition ..................................................................................................... 23 Smarter DSQL Error Reporting ............................................................................................. 23 New Column in RDB$Index_Segments ................................................................................. 23 4. Global Improvements in Firebird 2.1 ................................................................................................. 24 Forced Writes on Linux Now Works! ........................................................................................... 24 Forensics .............................................................................................................................. 24 Instant Fix for an Older Firebird ........................................................................................... 25 Databases on Raw Devices ........................................................................................................... 25 Moving a Database to a Raw Device .................................................................................... 25 Special Issues for nbak/nbackup ............................................................................................ 25 Further Advice about Raw Devices ....................................................................................... 26 Remote Interface Improvements .................................................................................................... 27 API Changes ................................................................................................................................ 28 XSQLVAR .......................................................................................................................... 28 Optimization ................................................................................................................................ 28 Optimization for Multiple Index Scans .................................................................................. 28 Optimize sparse bitmap operations ........................................................................................ 28 Configuration and Tuning ............................................................................................................. 29 Increased Lock Manager Limits & Defaults ........................................................................... 29 Page sizes of 1K and 2K Deprecated .................................................................................... 29 Enlarge Disk Allocation Chunks ........................................................................................... 29 Bypass Filesystem Caching on Superserver ........................................................................... 31 Other Global Improvements .......................................................................................................... 31 Garbage Collector Rationalisation ......................................................................................... 31 Immediate Release of External Files ..................................................................................... 31 Synchronization of DSQL metadata cache objects in Classic server ......................................... 32 BLOB Improvements ........................................................................................................... 32 Type Flag for Stored Procedures ........................................................................................... 32 Help for Getting Core Dumps on Linux ................................................................................ 32 5. Data Definition Language (DDL) ...................................................................................................... 34 Quick Links ................................................................................................................................. 34 Database Triggers ................................................................................................................. 34 Global Temporary Tables ..................................................................................................... 36 Views Enhancements ............................................................................................................ 37 SQL2003 compliance for CREATE TRIGGER ...................................................................... 38 SQL2003 Compliant Alternative for Computed Fields ............................................................ 39 CREATE SEQUENCE ......................................................................................................... 39 v
Page 1 and 2: Firebird 2.1 Release Notes Helen Bo
Page 6 and 7: Firebird 2.1 Release Notes REVOKE A
Page 8 and 9: Firebird 2.1 Release Notes Authenti
Page 10 and 11: List of Tables 16.1. Firebird Devel
Page 12 and 13: Additions in this Sub-release Gener
Page 14 and 15: General Notes • Dmitry has addres
Page 16 and 17: Chapter 2 New in Firebird 2 New Fea
Page 18 and 19: Procedural SQL New in Firebird 2 Do
Page 20 and 21: Derived Tables A. Brinkman New in F
Page 22 and 23: New in Firebird 2 • background -
Page 24 and 25: New in Firebird 2 From Firebird 1.0
Page 26 and 27: Important New in Firebird 2 The com
Page 28 and 29: Changes to the Firebird API and ODS
Page 30 and 31: isc_info_tra_isolation Changes to t
Page 32 and 33: Changes to the Firebird API and ODS
Page 34 and 35: Chapter 4 Global Improvements in Fi
Page 36 and 37: Global Improvements in Firebird 2.1
Page 38 and 39: Note Global Improvements in Firebir
Page 40 and 41: 2. File fragmentation Global Improv
Page 42 and 43: Global Improvements in Firebird 2.1
Page 44 and 45: Chapter 5 Data Definition Language
Page 46 and 47: Utilities Support for Database Trig
Page 48 and 49: Use Column Aliases in CREATE VIEW F
Page 50 and 51: 2. Data Definition Language (DDL) A
Page 52 and 53: SEQUENCE INDEX ROLE CHARACTER SET C
Page 54 and 55:
Data Definition Language (DDL) SQL>
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• UNION DISTINCT • Improved Typ
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Data Manipulation Language (DML) )
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Format Data Manipulation Language (
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3. 4. RETURNING ID INTO :PK; DELETE
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Example Data Manipulation Language
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[RETURNING ] Data Manipulation Lang
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Enhancements to Functions A. dos Sa
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CAST(x as ) A. dos Santos Fernandes
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Data Manipulation Language (DML) bu
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Data Manipulation Language (DML) BE
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ROLLBACK RETAIN Syntax D. Yemanov D
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Data Manipulation Language (DML) ii
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Database: proc.fdb SQL> create tabl
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Data Manipulation Language (DML) CU
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Data Manipulation Language (DML)
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::= NATURAL Data Manipulation Lang
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Example Data Manipulation Language
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::= '(' ')' Conclusions Data Manip
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Chapter 7 Procedural SQL (PSQL) A h
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... END Procedural SQL (PSQL) Conte
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Procedural SQL (PSQL) Arguments wit
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LEAVE [] Procedural SQL (PSQL) wher
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IF (NEW.ID = 3) THEN EXECUTE PROCED
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Chapter 8 New Reserved Words and Ch
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SQRT (v.2.1)
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For All Databases Indexing & Optimi
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Indexing & Optimizations Matching o
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Indexing & Optimizations Selectivit
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Well-formedness checks Internationa
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collation ES_ES collation PT_BR col
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intl_module fbintl collation NAME [
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Format: DISABLE-EXPANSIONS={0 | 1}
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Create the procedures in the databa
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Administrative Features • Regular
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Administrative Features MON$AUTO_UN
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Administrative Features SELECT MON$
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Administrative Features Any process
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Chapter 12 Security In this chapter
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Security • the lack of protection
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Security Simply omitting the user a
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Security The main reason to restric
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Caution with LegacyHash Security As
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Command-line Utilities the Services
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Command-line Utilities Undocumented
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NBackup The functional responsibili
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Command-line Utilities is a separat
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Command-line Utilities • Even if
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Command-line Utilities Therefore, p
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Command-line Utilities -t(erminator
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Help on command line switches Featu
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External Functions (UDFs) If you ar
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Chapter 15 A. Peshkov New Configura
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A. Peshkov Note New Configuration P
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New Configuration Parameters and Ch
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Firebird 2 Project Teams Developer
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New Built-in Functions Function For
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Appendix B: International Character
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International Character Sets UTF-7
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International Character Sets ibm-86
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International Character Sets ibm-11
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); COMMIT; Security Database Upgrad
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Firebird 2.1 Release Notes

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