c-treeACE V10.0 Update Guide

Introduction V10.0 Highlights Performance File Management Data Compression Partitioned Files - Major Performance Improvements Multiple Record Formats Data Filter Stacks New Result Sets Transaction Processing Replication Database Backups Segmented Files Core Enhancements Quiesce Server Activity Shared Memory for UNIX Broadened Auto-Numbering Support Security More Features Platform Support Interface Technology New Java Development Updated & Improved Tools c-treeRTG COBOL Edition IMPORTANT: New Licensing & Activation V10 Licensing Mechanism Limit Concurrent Logons by User Name/Group File Management Milestones Data Compression COMPRESS_FILE Advances in Partitioned Files Partitioned Files Available via c-treeACE SQL Optimized c-treeACE SQL Partitioned File Queries ALTER TABLE Add and Drop Columns Supported for Partitioned Files Partitioning by Windows Date Values Partition by Timestamp Rule Modified to Support GMT/UTC Time New GETFIL() Modes to Retrieve First and Last Active Partition Members c-treeDB .NET Interface Support for Partition File Management Additional c-treeDB .NET CTTable.PartAdminByKey() Method c-treeDB Methods to Retrieve Partitions Improved Rebuilding of Partitioned Files Partitioned File Range Optimizations Updated Partition Admin Modes Reuse and Base PTADMIN() Partition Administration Purge Multiple Record Formats - c-treeDB Virtual Tables Introduction to Virtual Tables Virtual Tables Multiple Record Table Virtual Table Callbacks API for Virtual Tables Data Filters Data Filter Stacks - Support Multiple Data Record Filters per File Conditional Expression Support Enhanced Reference Any Section of the Record Create a Filter on a Table without the DODA (or SCHEMA) Runtime Support Improved to Support IN and BETWEEN Operators Filter Callback Support Enhanced Data Record Filter Callback DLL Enhancements File Open Performance KEEPOPEN - Enhanced File Open Performance Extended KEEPOPEN File Mode for Fast File Access Transaction Processing Independent Parallel Transactions IICT Auto Recovery Recovery in Alternate Locations with REDIRECT Improved Automatic Recovery Performance Additional Recovery Logging Persistent Lock Behavior inside Transactions Configurable Transaction Number Overflow Warning Limit Other Transaction Issues Replication Replication State Persistence REDIRECT Option for Replication Agent to Alternate Destinations Record Lock Error Retry and Diagnostics Renamed Replication Agent Configuration Options Backup/Restore Volume Shadow Copy Service (VSS) Integration Windows Volume Shadow Copy Service (VSS) Writer Improvements in Backup/Restore Reduce Performance Impact of Dynamic Dump Mask Routine Backup Messages in CTSTATUS.FCS Enhanced Logging of Dynamic Dump Status Messages Index Subsystem Distinct Key Counts for Duplicate Index Conditional Indexes Reference Any Section of the Record Runtime Support Improved to Support IN and BETWEEN Operators Handling of SDAT_ERR (445) When Rebuilding Files Memory Files Segmented Files Super Files General File I/O Improvements Core Engine Tune-Up Inter-Process Communications - Shared Memory for Unix Shared Memory Client-Server Communication for Unix/Linux Auto-Numbering Support IDENTITY Column Auto-Incrementing Support IDENTITY Support Added to c-treeDB IDENTITY Columns Imported with the c-treeACE SQL Import Utility Sequence Numbers File Resource Fork - Direct Access Resource (DAR) Thread Impersonate - Connection Impersonating Another Connection Quiesce Startup/Shutdown Other Tune-Ups Enhanced c-treeACE Monitoring of Full Disk Conditions c-treeACE on Windows now Prevents External Processes from Accessing Open Files Exported C++ Methods in the Server .DLL Model Process Stack Dumps Enabled for All Unix Servers Security Lockdown Key Store Support for Advanced Encryption Tightened Access Security Controls Restricted Security Administrator Access User and Group Logon Limits Server Utilities Updated for Use with Advanced Encryption Other Lockdowns Interface Developments c-treeDB Java - Direct Record Access API for Java ADO.NET ADO.NET Entity Framework COBOL ISAM c-treeACE API Functions to Transfer Files Configurable Retry Logic for ISAM VLEN_ERR (148) Errors VLEN_ERR Diagnostic Logging c-treeDB C and C++ Add Tables with Same Filenames to a c-treeDB Database New c-treeDB Ability to Clone a c-treeACE Table c-treeDB .NET ODBC Borland VCL/DBX c-treeACE VCL Method to Compare Records PHP PYTHON Btrieve c-treeACE SQL Advances Conditional ISQL Expressions Set the Connection Node Name in c-treeACE SQL Duplicate Index Names Now Allowed in c-treeACE SQL Databases Impact on Index Names for Constraints c-treeACE SQL Option for Certain Slow Parameterized Queries c-treeACE SQL Open Table Configuration Support for Imported Hidden Fields with c-treeACE SQL Faster c-treeACE SQL Database Conversions GUI Tools GUI Refresher Course Recent Changes to the GUI Utilities New Java-based GUI Utilities Now Available c-treeACE SQL Explorer Modify Table c-treeACE ISAM Explorer Conditional Indices c-treeACE ISAM Explorer GetCndxIndex Argument Command-Line Utilities Command-Line Utilities Refresher Course Recent Changes to the Command-Line Utilities ctadmn c-treeACE Server Administration Utility ctcmdset Create Encrypted Password File ctcmpcif IFIL-based Compact Utility ctcv67 Extended File Conversion Utility ctencrypt Utility to Change Master Password ctfchk Checksum Utility ctidmp Examine Dump Files Utility ctinfo Incremental ISAM Utility ctitop Utility Creates OTP and Parameter File ctixmg Updated to Support ctCAMO Encryption ctmtap Multi-threaded API Sample ctotoi Utility Adds IFIL and DODA Resources ctpathmigr Utility to Change Database Path Separators ctquiet Quiesce c-treeACE Utility ctrbldif IFIL-based Rebuild Utility ctredirect Utility to Change IFIL Filename Information ctscmp Superfile Compact Utility ctsqlimp Utility ctstat Statistics Utility ctstress Perform Record Operations on Files cttctx Performance Test Utility cttrap Communications Trap Playback Utility cttrnmod Change Transaction Mode Utility ctunf1 File Format Conversion Utility ctupdpad Pad Resource Utility fkverify SQL Foreign Key Constraints Utility Utilities Updated for Use with Advanced Encryption New Performance Tuning Options COMMIT_DELAY Value Modified for Windows Systems Reduce Performance Impact of Dynamic Dump Transaction Log Index ON by Default RECOVER_MEMLOG for Faster Automatic Recovery with Advanced Encryption Increased Scalability of Memory Suballocator Lists Configurable Memory File Hash Bins Improved Performance Using Unbuffered I/O on Windows Systems Enable Unbuffered I/O for Transaction Logs c-treeACE SQL Statement Cache Tuning Options Support Critical Section Spin Count on Windows Reader/Writer Lock Support for Enhanced Performance Foundations of V10 Performance Gains Transaction Log Improvements Improved Efficiency for Log Templates Defer Transaction Logging of File Opens Overlapping Checkpoints Reduced File and User State Variable Contention Preimage Savepoint Performance Preimage Search Optimizations Internal Mutex Improvements Shared Memory Logon Contention Removed Redundant Mutex Usages Improve Concurrency of Queue Read and Write Functions Removed Header Contention for Memory Files Windows Critical Section Spin Count Mutex Calls Converted to Windows Slim Write Locks at Compile Time Eliminate Compulsory Atomic Operations for File Block Counters Enhanced Management of Abort Node List Management Abort Node Processing Efficiencies During Node Splits Lock Behavior Improvements Commit Read Lock Optimizations Skip Lock Table Entries on Header Lock Calls Skip All Locks on Exclusive Opened File Key-Level Lock Processing Optimization Faster Partial Record Reads Row-Level Security Filters Internal Hash Bin Advancements Dynamic Hash Logic Configurable Memory File Hash Bins Improve Memory File Hash Function for 64-Bit Addresses Memory Related Improvements Memory Suballocator Enhancements Improve Memory Suballocator Performance Preimage Space Entry Suballocator Lists Faster Memory Buffer Copies on Unix API Processing Improvements Improved Overall Range Performance Improved Open-Ended Key Estimation Performance Improved Performance of Descending Range Searches Persisted Current Index Buffer Node for NXTKEY and PRVKEY Operations Set Node Name Optimization Key-Level Lock logic Improve Performance of Range Retrieval I/O Performance Improvements Permit Physical ISAM Files to Remain Open Support Unbuffered I/O on Windows Systems Enable Unbuffered I/O for Transaction Logs Efficient Key Count Updates for Transaction Controlled Files Skip Unnecessary Read of VARLEN Record Headers Extended Header Write Optimization Reader/Writer Lock Support for Windows and for Memory Files Reader/Writer Lock Support for Unix Systems File Name Hash List Profiling Results/Processing Improvements COMMIT_DELAY Value Modified for Windows Systems Faster Internal User File Control Block Reallocation Reduce 64-Bit Arithmetic Calls When a Non-Huge File Is Processed Dynamic Dump Thread in Potential Livelock Adaptive Defer Loops for Better Index Buffer Performance Improved File Number Search Efficiency Improved Index Node Access Performance Function Reference Data Compression API ctSetCompress User Defined Compression Dynamic Shared Library Virtual Table API ctdbAddMRTTable ctdbAddVTableResource ctdbAllocVTableInfo ctdbCreateMRTTable ctdbFreeVTableInfo ctdbGetVTableInfoFromTable ctdbGetVTableNumber ctdbIsVTable ctdbRemoveVTableResource ctdbSetMRTTableFilter Sequence Number API ctCreateSequence ctDeleteSequence ctOpenSequence ctCloseSequence ctGetSequenceAttrs ctSetSequenceAttrs ctGetCurrentSequenceValue ctSetCurrentSequenceValue ctGetNextSequenceValue Sequence Attribute Structure Partitioned File Management API CTTable.PartAdminByKey CTTable.PartAdminByName CTTable.PartAdminByNumber Data Stacks Filter API ctfiltercbAddFilter EvaluateFilter LoadFilter ctfiltercbRemoveFilter UnloadFilter Thread Impersonate API ctImpersonateTask ctdbBeginImpersonation ctdbEndImpersonation CTSession::BeginImpersonation CTSession::EndImpersonation Low-Level Functions c-treeACE Functions to Transfer Files ctStatusLogWrite Critical Production Updates Corrective Checkpoint Logic for Buffer/Cache Pages Missing from Update Lists Ensure Proper Mutex Control When Adding Buffers to Commit List Prevent Overlapping Checkpoints Corrected Dynamic Dump File Extensions for Non-TRANPROC Files Correct Initialization of c-treeACE SQL Pointers Corrected c-treeACE SQL References in an ORDER BY Clause Corrected c-treeACE SQL Conditional Expression Buffer Length Exception Notable Compatibility Changes V10 Client/Server Compatiblity V9.1 Client/Server Compatibility Latest Java Version Requirement SERVER_DIRECTORY Configuration Option Deprecated Switch to Sbyte for TINYINT Signed Values in ADO.NET Data Provider Mapping of c-treeACE SQL ADO.NET Data Provider Time Fields Conditional Index Expression Changes Revised Integer Comparisons in Expression Parser Corrected CVAL_ERR on Partial Record Reads NULL Handling in Filter Expressions TCtDataSet Fields Property Type Has Changed in c-treeACE VCL Rollback and Commit Support in c-treeACE ADO.NET Data Provider FairCom Typographical Conventions Copyright Notice Index