readme.txt

能够连接各种数据库的API

- DB2: new option is now available for DB2 command ("PreFetchRow").
- SQL Server (OLE DB): new option ("SSPROP_INIT_AUTOTRANSLATE") for configuring OEM/ANSI character translation is available.
Version 3.5.2
- InterBase: commit management improved.
- Oracle (OCI7): native error number reporting fixed.
- SQL Server (OLE DB): bug fixed when reading data of NTEXT type.
Version 3.5.1
- PostgreSQL support.
- SQL Server (OLE DB): the ability to use DBPROP_SERVERCURSOR rowset property added.
- String and binary data support has been improved.
Version 3.4.7
- InterBase: bug fixed when binding NULL values.
- MySQL: setting transaction isolation level implemented.
Version 3.4.6
- C type 'bool' supporting added.
Version 3.4.4
- SQL Server (OLE DB): COM initialization improved.
Version 3.4.3
- SQL Server (DB-Library): error when returning output parameters from stored procedures is fixed.
- InterBase: FireBird client support added.
Version 3.4.2
- Sybase (Sun Solaris): error when connecting is fixed.
Version 3.4.1
- MySQL suport.
- Sybase: New option is now available for Sybase command (PreFetchNext).
- Documentation improved.
Version 3.3.4
- InterBase: error (stack overflow) when calling stored procedures with no parameters is fixed.
- Oracle, SQLBase: SACommand::isResultSet implementation fixed. Now it returns false after result set is completely fetched.
- SQL Server (OLE DB): bug fixed when reading text or image collumns with SQL Server 7.0 client.
Version 3.3.2
- Documentation improved.
Version 3.3.1
- Support for using SQL Server OLE DB API added. Default API for accessing SQL Server changed from DB-Library to OLE DB.
- DB2: fetching multiple result sets from stored procedures implemented.
- SACommand::FetchParamsNext method deprecated.
- Documentation improved.
Version 3.2.5
- SQL Server: the ability to use trusted connection added.
- Numeric data reading methods now support type conversion from string data.
- Documentation improved.
Version 3.2.4
- Sybase: minor changes made to improve multi-threading support.
Version 3.2.3
- Minor changes made in SQLAPI++ source codes to make it compatible with Sun Workshop Pro compiler.
Version 3.2.2
- InterBase: Truncation of VARCHAR fields. Bug fixed.
Version 3.2.1
- Sun SPARC Solaris: SIGBUS error (non-alignment of numeric data). Bug fixed.
- Oracle 8i: Ability to bind BLob(CLob) parameters in stored procedures is implemented.
Version 3.1.6
- SQL Server: bug with smalldatetime type fixed.
Version 3.1.5
- SQL Server: Ability to connect to named instances of SQL Server 2000 added.
Version 3.1.4
- Sybase: New options are now available for Sybase connection ("CS_PACKETSIZE", "CS_APPNAME", "CS_HOSTNAME").
Version 3.1.3
- Oracle: Executing a function in Oracle 8i resulted in ORA-01426. Bug fixed.
- SQLServer: Bug fixed when binding parameters to a command with "OpenCursor" option set.
- Sybase: Executing a stored procedure through "Exec" statement resulted in access violation. Bug fixed.
Version 3.1.2
- Documentation improved (Server Specific Guide).
- DB2, Informix, ODBC: native error code returned by SAException::NativeError() was invalid. Bug fixed.
- InterBase: Support for database connection cache added.
Version 3.1.1
- Oracle 8: Access violation when updating/inserting CLob fields. Bug fixed.
- Oracle (Linux/Unix): Error "Unimplemented or unreasonable conversion requested" when working with output (return) parameters is fixed.
- Oracle: update/insert SQL statement with two or more BLob (CLob) parameters results in "OCI_INVALID_HANDLE" exception. Bug fixed.
- ODBC: bug with DateTime values fixed.
Version 3.0.1
- Unix version released.
- Oracle: Support for Oracle REF CURSORs and nested cursors added.
Version 2.3.11
- SAString::Right method: bug fixed.
- SQLBase: Automatic detecting of stored procedure parameters was incorrect when parameter's name include numeric digits, underscore (_) or special characters (#, @ or $). Bug fixed.
- SQL Server: "Open Cursor" option improved.
- SQL Server (version 7, version 2000): data type for datetime parameters in stored procedures has been detected as SA_dtUnknown. Bug fixed.
Version 2.3.10
- Sybase: support for returning status result code from stored procedures.
Version 2.3.9
- SQLServer: bug fixed when calling a stored procedure with "owner.proc_name" syntax on SQLServer 2000.
- ODBC (MS Access): bug fixed when binding long data.
Version 2.3.8
- SQLServer: BIT datatype support added.
- SQLServer: bug (assertion) fixed when working with DECIMAL or NUMERIC fields in debug version.
Version 2.3.7
- Cancelling queries support added.
Version 2.3.6
- Informix: error "String data right truncation" when binding string parameters is fixed.
Version 2.3.5
- SQLServer: Support for using DB-Library cursor functions  added.
Version 2.3.4
- InterBase: Support for client character set declaring added.
- InterBase: Support for connection with a role added.
Version 2.3.3
- Date/time support improved. SADateTime::GetCurrentTime method added.
Version 2.3.2
- SQLBase: Support for Cursor-context preservation.
- SAString &SAConnection::Option(const SAString&) is replaced by SAConnection::setOption
- SAString &SACommand::Option(const SAString&) is replaced by SACommand::setOption
Version 2.3.1
- InterBase: Support for SQL Dialect 2 and 3 added. SQL Dialect is now customizable.
- InterBase: Bug fixed when reading DECIMAL and NUMERIC fields from database
Version 2.2.1
- Fraction of a second (milli, micro, nano seconds) support added.
- Date/time support improved.
Version 2.1.1
- Date/time support improved.
Version 2.0.1
- Linux version released. 
- Informix: error when calling stored procedures with no parameters is fixed. 
- Informix: error when describing stored procedure input parameters is fixed. 
- Informix, DB2: GPF when handling errors fixed.
- Oracle OCI7: multi-threaded support added.
- Documentation is improved. A great number of examples added.
Version 1.6.1
- Sybase: returning multiple result sets from stored procedure or batch is implemented. 
- SQL server: returning multiple result sets from stored procedure or batch is implemented. 
- Error when compiling with Borland compilers using data alignment other than 8 bytes fixed.
Version 1.5.1
- Sybase support (both ASE and ASA)
- Oracle8: Error reporting improved when calling non-existent procedure(function) from existent package (f.ex., sys.dbms_output.aaaaaa). 
- SQL server: the abillity to connect to default database is implemented. 
- SQL Server: SAException::ErrNativeCode always returned 0 (not native error code). Fixed. 
- DB2, Informix, ODBC: bug fixed when calling stored procedures with schema (f. ex., tester.TestProc) 
- Microsoft VC++ 5.0 backward compatible. 
- Oracle 7.3.3 client - loading error fixed. 
- DB2, Informix, ODBC: bug fixed when a searched update or delete statement that does not affect any rows is executed. 
- DB2, Informix, ODBC: bug when returning strings from stored procedures fixed. 
- Error when linknig with Borland compilers fixed 
Version 1.4.1
- Informix support 
- Documentation improved
Version 1.3.1
- DB2 support 
- BFILE support in Oracle OCI8 
- Bug in Oracle when binding BLobs fixed 
- Bug in SQLServer when reading timestamp fields fixed
Version 1.2.1
- Bug in ODBC implementation when fetching character data (in some cases data can be truncated) fixed 
- Possibility of getting error offset (SAExecption::ErrPos) 
- Autocommit management (SAConnection::AutoCommit and SAConnection::setAutoCommit) 
- Documentation improved
Version 1.1.1
- Support for managing transaction isolation levels added. 
- Transaction policy on SQLServer changed. Now all commands from one connection are in the same transaction. 
- Reported bugs fixed. 
- Documentation improved.
Version 1.0.1
- the first version released

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