[ViewVC] Diff of: public/ibx/trunk/fbintf/changelog

Comparing ibx/trunk/fbintf/changelog (file contents):
Revision 298 by tony, Fri Apr 17 13:02:39 2020 UTC vs.
Revision 402 by tony, Mon Aug 1 10:07:24 2022 UTC

-<
+FBINTF Change Log  version          (1.1-5 Build 12044) Fri, 17 Apr 2020 12:30:01 +0100
->
+FBINTF Change Log  version          (1.4-0 Build 13871) Fri, 29 Jul 2022 23:29:51 +0100
->
->
+. Support package fbudr added for support of User Defined Routines (UDRs), and package
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+   fbudrtestbed for client side debugging of UDR libraries.
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+. Package layout changed with introduction of udr support. IB*.pas files moved from
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+    root directory to "client". IBHeader moved to "Client".
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->
+. Delphi packages: all packages now compile .dcp and .bpi files to either
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+   fbintf\Win32\Debug or fbintf\Win64\Debug by default. Please remove any pre-existing
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+   fbintf.dcp and fbintf.bpi files from other locations.
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->
+. Client side journaling support added. Interface changes
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+   IAttachment
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+    function JournalingActive: boolean;
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+    function GetJournalOptions: TJournalOptions;
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+    function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
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+    function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
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+    function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
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+    procedure StopJournaling(RetainJournal: boolean);
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->
+. Transactions may now be given a local transaction name:
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+   IFirebirdAPI
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+     function StartTransaction(Attachments: array of IAttachment;
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+             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
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+             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit;
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+             aName: AnsiString=''): ITransaction; overload;
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+     function StartTransaction(Attachments: array of IAttachment;
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+             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
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+             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit;
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+             aName: AnsiString=''): ITransaction; overload;
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->
+   IAttachment
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+    function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
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+    function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
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+    function StartTransaction(TPB: array of byte;
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+                              DefaultCompletion: TTransactionCompletion=taCommit;
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+                              aName: AnsiString=''): ITransaction; overload;
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+    function StartTransaction(TPB: ITPB;
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+                              DefaultCompletion: TTransactionCompletion=taCommit;
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+                              aName: AnsiString=''): ITransaction; overload;
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->
+  ITransaction
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+    function GetTransactionName: AnsiString;
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+    procedure SetTransactionName(aValue: AnsiString);
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->
+. Additional Transaction information
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+     ITPB.function AsText: AnsiString; {Returns TPB as a text string}
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+   ITransaction
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+     function GetDefaultCompletion: TTransactionCompletion;
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+     function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction}
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->
+. New IAttachment helper functions
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+     function HasTable(aTableName: AnsiString): boolean;
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+     function HasFunction(aFunctionName: AnsiString): boolean;
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+     function HasProcedure(aProcName: AnsiString): boolean;
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+     function GetAttachmentID: integer;
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+     function GetCharSetID: integer;
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->
+. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size
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+   will be allocated for batch operations.
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->
+. IStatement, IColumnMetaData and ISQLParam all now consistently provide:
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+    function GetStatement: IStatement;
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+    function GetTransaction: ITransaction;
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+    function GetAttachment: IAttachment;
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->
+. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted
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+    interfaces.
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+. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric
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+    and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam
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+    functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation
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+    of numerics without loss of precision.
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+. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric.
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+. ISQLParams new method "Clear"
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+. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first
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+    request rather than on attachment connect.
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->
+. IStatus.IBDataBaseErrorMessages now defaults to [ShowIBMessage]. This reflects the
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+    fact that SQLCodes are soon to be deprecated. In the future, the other options
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+    will be silently ignored if SQLCode support is not present in the Firebird
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+    Client library.
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->
+. ITransaction changes Rollback and Commit from procedures to functions:
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+      function Commit(Force: boolean=false): TTrCompletionState;
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+      function Rollback(Force: boolean=false): TTrCompletionState;
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->
+    Specifically, this is to allow the functions to report back a failed commit or
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+    rollback when Force = true. In the case, the transaction handle has been
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+    released, while the transaction remains in limbo.
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->
+. IAttachment ExecImmediate.
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+    When the transaction parameters are provided as an array of const and the
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+    statement fails, the transaction is rolledback (forced) before the exception
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+    is raised.
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->
+. In Firebird 3 and later API: the status vector is now a thread var, as was
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+    already the case with the legacy API. Avoids problems when calling underlying
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+    Firebird API in multiple threads.
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->
+. IBUtils: TSQLXMLReader: "string" type changed to "AnsiString" for compatibility
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+    reasons.
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+. IDBInformation.DecodeVersionString now supported isc_info_firebird_version.
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+. TSQLXMLReader: handle 'blob' as a reserved word
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+. ISQLParam.SetAsVariant now accepts a vartype of varUString (UnicodeString).
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->
->
+FBINTF Change Log  version          (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
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+. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
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+. Remove constraint in IAttachment.HasScollableCursors that returned false when
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+   using remote protocol. Scrollable cursors with remote database expected to
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+   be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
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+   a not supported error.
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->
+. IStatement: new function;
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+    TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
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+    TStatementFlags = set of TStatementFlag;
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+    function GetFlags: TStatementFlags;
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+. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
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+   compatibility.
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+   In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
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+   type changes from ExecProcedure to Select. So that ExecuteQuery can continue
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+   to be used with Update...Retruning statements that return a singleton row,
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+   instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
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+   it will open the cursor and return the first row only.
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->
+. ITransaction: new functions:
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+    function GetIsReadOnly: boolean;
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+    function GetTransactionID: integer;
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+    function GetTrInformation(Requests: array of byte): ITrInformation; overload;
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+    function GetTrInformation(Request: byte): ITrInformation; overload;
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->
+   The latter two return the Transaction Information block. The first two extract
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+   information the Transaction Information block
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+. New function TSQLTokeniser.ReadCharacters
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+   Used internally.
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->
+. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
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+   parameter placeholders instead of named parameters.
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->
+. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
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+   transaction handle is now ignored if Rollback/Commit is called with Force=true
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+. Tidy up of exception handling code. Under the legacy API, fb_interpret is now
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+   used to get an IBError Message instead of isc_interprete.
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->
+. Internal tidyup. Native code now used for decoding integers and the events
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+    buffer. Avoids dependencies on fbclient functions isc_portable_integer,
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+    isc_event_block and isc_event_counts.
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->
+. New IAttachment function
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+     function GetAttachmentID: integer;
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->
+. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30
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+    subclasses to enable UDR support.
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->
+FBINTF Change Log  version          (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
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+. TFBClientAPI.GetProcAddr. Add check for nil reference.
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->
+. IStatement: new methods:
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+    procedure SetStaleReferenceChecks(Enable:boolean); {default true}
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+    function GetStaleReferenceChecks: boolean;
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->
+   In previous versions, stale reference checks were always enabled. This allows the
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+   user to disable them on a per statement basis. Note this can risk out-of-date
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+   statement BLR. See User Guide.
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->
+. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
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+   stored procedure and hence avoids replacing named parameters within a containing
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+   BEGIN..END block.
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+. ISQLParam: using a string value to set an integer field with a scale factor of
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+   zero is now treated as a special case to avoid the risk of floating point
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+   rounding errors affecting pure integers.
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->
+. ISQLParam:  Review and tidy-up of SetAsString for numeric types.
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->
+. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
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+   SQL Parameter metadata (methods moved from ISQLParam).
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->
+. ISQLParam: new method
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+     function getColMetadata: IParamMetaData;
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+   This instance of IParamMetaData returns the original column metadata which is unmutable.
->
+   Note: ISQLParam metadata can change after a parameter value has been set e.g when
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+   setting a VARCHAR column to an integer value.
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->
+. IStatement: can now set cursor name when opening a cursor. New overloaded method:
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+    procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
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+   also IAttachment:
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+    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
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+    function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
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+    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
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+                       aSQLDialect: integer; GenerateParamNames: boolean=false;
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+                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
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+    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
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+                       GenerateParamNames: boolean=false;
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+                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
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->
+. Support for scrollable cursors added. New/updated methods:
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+   IAttachment:
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+    function HasScollableCursors: boolean;
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+    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
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+                             Scrollable: boolean=false): IResultSet; overload;
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+    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
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+    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
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+                             params: array of const): IResultSet; overload;
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+    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
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+                             params: array of const): IResultSet; overload;
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+    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
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+                             params: array of const): IResultSet; overload;
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+    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
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+                             Scrollable: boolean=false): IResultSet; overload;
->
+    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
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+    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
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+                             params: array of const): IResultSet; overload;
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+    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
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+    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
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+                             params: array of const): IResultSet; overload;
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+   IStatement:
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+     function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
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+   IResultSet:
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+    function FetchPrior: boolean; {fetch previous record}
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+    function FetchFirst:boolean; {fetch first record}
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+    function FetchLast: boolean; {fetch last record}
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+    function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
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+    function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
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+    function IsBof: boolean;
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+. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
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->
+. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
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+    may be noticeable when a line separator occurs inside quoted text. The quoted text
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+    output by the tokeniser will now use the platform specific lineEnding regardless
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+    of whether the input uses the CRLF or LF as a line separator.
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->
+. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
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->
->
+FBINTF Change Log  version          (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
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->
+. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
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->
+. Support for inline blob encoding. Blob values pass using the "SetAsString" method
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+   will now be encoded inline (i.e. as part of the parameter buffer) if they are
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+   shorter than a pre-set limit. Longer values continue to be saved as blobs as a
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+   separate server interaction. This is intended as a performance optimisation.
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->
+   The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
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+   IAttachment interface functions:
->
->
+    function GetInlineBlobLimit: integer;
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+    procedure SetInlineBlobLimit(limit: integer);
->
->
+. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
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+   user as the functionality is embedded in the implementation of the IStatement
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+   interface. Three new functions are defined:
->
->
+    procedure AddToBatch;
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+    function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
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+    procedure CancelBatch;
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+    function GetBatchCompletion: IBatchCompletion;
->
+    function GetBatchRowLimit: integer;
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+    procedure SetBatchRowLimit(aLimit: integer);
->
->
+   Also
->
->
+    function IsInBatchMode: boolean;        {true after call to execute(eaDefer)}
->
+    function HasBatchMode: boolean;         {true if and only if IBatch Supported}
->
->
+   For more information see the User Guide.
->
->
+. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
->
+   provided with the EIBInterBaseError now include all three parts.
->
->
+. Firebird.pas and include files updated to Firebird 4.0.0
->
->
+. New IStatement method: function GetSQLStatementTypeName: AnsiString;
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+   Returns SQL Statement type as a text string;
->
->
+. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
->
+   an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
->
->
+FBINTF Change Log  version          (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
->
->
+. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
->
+   typo in FB30Statement.pas that caused an unknown parameter error.
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->
+FBINTF Change Log  version          (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
->
->
+. Imported (Firebird) constants updated for Firebird 4.
->
->
+. Firebird.pas from Firebird 4 integrated into source code tree.
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->
+. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
->
->
+. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
->
->
+. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
->
+   QueryInterface may be used to coerce this interface from IFirebirdAPI. The
->
+   interface provides a single method "function GetIMasterIntf: IMaster". This provides
->
+   type safe access to the Firebird IMaster interface and avoids the need to turn
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+   off object checks when coercing "function GetIMaster: TObject" to IMaster.
->
->
+. New IFirebirdAPI Calls:
->
+    function HasLocalTZDB: boolean;
->
+    function HasTimeZoneSupport: boolean;
->
+    function HasExtendedTZSupport: boolean;
->
+    procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
->
+    function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
->
->
+. New IAttachment Calls:
->
+    function HasDecFloatSupport: boolean;
->
+    function GetTimeZoneServices: ITimeZoneServices;
->
+    function HasTimeZoneSupport: boolean;
->
->
+. New Interface ITimeZoneServices.
->
->
+. New ISQLData API Calls:
->
+    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
->
+    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
->
+    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
->
+    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
->
+    function GetAsUTCDateTime: TDateTime;
->
+    function GetAsBCD: tBCD;
->
->
+. New ISQLParam API Calls
->
+    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
->
+    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
->
+    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
->
+    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
->
+    function GetAsUTCDateTime: TDateTime;
->
+    function GetAsBCD: tBCD;
->
+    function GetStatement: IStatement;
->
+    function GetTransaction: ITransaction;
->
+    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
->
+    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
->
+    procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
->
+    procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
->
+    procedure SetAsUTCDateTime(aUTCTime: TDateTime);
->
+    procedure SetAsBcd(aValue: tBCD);
->
->
+. New IArray API Calls
->
+    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
->
+    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
->
+    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
->
+    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
->
+    function GetAsUTCDateTime(index: array of integer): TDateTime;
->
+    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
->
+    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
->
+    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
->
+    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
->
->
+. Utility functions in IBUtils
->
+    function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
->
+              var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
->
+    procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
->
+    function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
->
+    function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
->
+    function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
->
+    function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
->
->
+. IDPB, ITPB and ISPB: new interface method
->
+      function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
->
+    This is used to add a parameter block item by the string equivalent of its
->
+    symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
->
->
+. IDPBItem/ITPBItem/ISPBItem: new interface method:
->
+      function getParamTypeName: AnsiString;
->
->
+. fb_shutdown now called before unloading Firebird library. This can avoid a
->
+     SIGEVENT error when a programme using the embeded server is unloaded.
->
->
+FBINTF Change Log  version          (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
->
->
+. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
->
+   with a Firebrid 3 client library.
->
->
+. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
->
+    If a client library path is not explicitly provided and the FIREBIRD environment
->
+    variable is set then the directory given by this variable and any 'lib' subdirectory
->
+    are searched for the Firebird client library. Only if none is found, is the default
->
+    client library used.
->
->
+.  IUtil.FormatStatus now used to format error messages when using new API
->
->
+.  Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
->
->
+.  SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
->
+    returned using GetAsString and the string codepage is UTF8, the string is truncated so
->
+    that the byte length corresponds to the number of characters specified for the column.
->
+    SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
->
+    correct behaviour but may affect some implementations that relied upon automatic
->
+    trimming of trailing white space.
->
->
+.  New IFirebirdAPI Calls:
->
+      function GetClientMajor: integer;
->
+      function GetClientMinor: integer;
->
->
+.  IColumnMetaData and IArrayMetaData: new method
->
+      function GetCharSetWidth: integer;
->
->
+FBINTF Change Log  version          (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
+. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
+   case sensitive
+. New API Calls:
+        IColumnMetaData.GetStatement
+        IColumnMetaData.GetTransaction
-<
+        ISQLData.GetStrLength
->
+        ISQLData.GetStrDataLength
+        IResults.GetStatement
+        IAttachment.OpenBlob (using Blob metadata)
+        IAttachment.OpenArray (using array metadata)

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Comparing ibx/trunk/fbintf/changelog (file contents): Revision 298 by tony, Fri Apr 17 13:02:39 2020 UTC vs. Revision 402 by tony, Mon Aug 1 10:07:24 2022 UTC

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Comparing ibx/trunk/fbintf/changelog (file contents):
Revision 298 by tony, Fri Apr 17 13:02:39 2020 UTC vs.
Revision 402 by tony, Mon Aug 1 10:07:24 2022 UTC