119 |
|
private |
120 |
|
FIBDataBaseErrorMessages: TIBDataBaseErrorMessages; |
121 |
|
FPrefix: AnsiString; |
122 |
+ |
function SQLCodeSupported: boolean; |
123 |
|
protected |
124 |
|
FOwner: TFBClientAPI; |
125 |
+ |
function GetIBMessage: Ansistring; virtual; abstract; |
126 |
+ |
function GetSQLMessage: Ansistring; |
127 |
|
public |
128 |
|
constructor Create(aOwner: TFBClientAPI; prefix: AnsiString=''); |
129 |
|
function StatusVector: PStatusVector; virtual; abstract; |
197 |
|
|
198 |
|
public |
199 |
|
{Taken from legacy API} |
197 |
– |
isc_sqlcode: Tisc_sqlcode; |
200 |
|
isc_sql_interprete: Tisc_sql_interprete; |
201 |
< |
isc_event_counts: Tisc_event_counts; |
200 |
< |
isc_event_block: Tisc_event_block; |
201 |
< |
isc_free: Tisc_free; |
202 |
< |
isc_portable_integer: Tisc_portable_integer; |
201 |
> |
isc_sqlcode: Tisc_sqlcode; |
202 |
|
|
203 |
|
constructor Create(aFBLibrary: TFBLibrary); |
204 |
|
procedure IBAlloc(var P; OldSize, NewSize: Integer); |
221 |
|
property LocalTimeOffset: integer read FLocalTimeOffset; |
222 |
|
public |
223 |
|
{Encode/Decode} |
224 |
< |
procedure EncodeInteger(aValue: integer; len: integer; buffer: PByte); |
224 |
> |
procedure EncodeInteger(aValue: int64; len: integer; buffer: PByte); |
225 |
|
function DecodeInteger(bufptr: PByte; len: short): int64; |
226 |
|
procedure SQLEncodeDate(aDate: TDateTime; bufptr: PByte); virtual; abstract; |
227 |
|
function SQLDecodeDate(byfptr: PByte): TDateTime; virtual; abstract; |
229 |
|
function SQLDecodeTime(bufptr: PByte): TDateTime; virtual; abstract; |
230 |
|
procedure SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PByte); virtual; abstract; |
231 |
|
function SQLDecodeDateTime(bufptr: PByte): TDateTime; virtual; abstract; |
233 |
– |
function FormatStatus(Status: TFBStatus): AnsiString; virtual; abstract; |
232 |
|
function Int128ToStr(bufptr: PByte; scale: integer): AnsiString; virtual; |
233 |
|
procedure StrToInt128(scale: integer; aValue: AnsiString; bufptr: PByte); |
234 |
|
virtual; |
243 |
|
function GetImplementationVersion: AnsiString; |
244 |
|
function GetClientMajor: integer; virtual; abstract; |
245 |
|
function GetClientMinor: integer; virtual; abstract; |
246 |
< |
end; |
246 |
> |
end; |
247 |
> |
|
248 |
> |
IJournallingHook = interface |
249 |
> |
['{7d3e45e0-3628-416a-9e22-c20474825031}'] |
250 |
> |
procedure TransactionStart(Tr: ITransaction); |
251 |
> |
function TransactionEnd(TransactionID: integer; Action: TTransactionAction): boolean; |
252 |
> |
procedure TransactionRetained(Tr: ITransaction; OldTransactionID: integer; Action: TTransactionAction); |
253 |
> |
procedure ExecQuery(Stmt: IStatement); |
254 |
> |
end; |
255 |
|
|
256 |
|
implementation |
257 |
|
|
409 |
|
raise EIBInterBaseError.Create(GetStatus); |
410 |
|
end; |
411 |
|
|
412 |
< |
procedure TFBClientAPI.EncodeInteger(aValue: integer; len: integer; buffer: PByte); |
412 |
> |
procedure TFBClientAPI.EncodeInteger(aValue: int64; len: integer; buffer: PByte); |
413 |
|
begin |
414 |
|
while len > 0 do |
415 |
|
begin |
420 |
|
end; |
421 |
|
end; |
422 |
|
|
423 |
+ |
(* |
424 |
+ |
DecodeInteger is Translated from |
425 |
+ |
|
426 |
+ |
SINT64 API_ROUTINE isc_portable_integer(const UCHAR* ptr, SSHORT length) |
427 |
+ |
if (!ptr || length <= 0 || length > 8) |
428 |
+ |
return 0; |
429 |
+ |
|
430 |
+ |
SINT64 value = 0; |
431 |
+ |
int shift = 0; |
432 |
+ |
|
433 |
+ |
while (--length > 0) |
434 |
+ |
{ |
435 |
+ |
value += ((SINT64) *ptr++) << shift; |
436 |
+ |
shift += 8; |
437 |
+ |
} |
438 |
+ |
|
439 |
+ |
value += ((SINT64)(SCHAR) *ptr) << shift; |
440 |
+ |
|
441 |
+ |
return value; |
442 |
+ |
*) |
443 |
+ |
|
444 |
|
function TFBClientAPI.DecodeInteger(bufptr: PByte; len: short): int64; |
445 |
+ |
var shift: integer; |
446 |
|
begin |
447 |
< |
Result := isc_portable_integer(bufptr,len); |
447 |
> |
Result := 0; |
448 |
> |
if (BufPtr = nil) or (len <= 0) or (len > 8) then |
449 |
> |
Exit; |
450 |
> |
|
451 |
> |
shift := 0; |
452 |
> |
dec(len); |
453 |
> |
while len > 0 do |
454 |
> |
begin |
455 |
> |
Result := Result + (int64(bufptr^) shl shift); |
456 |
> |
Inc(bufptr); |
457 |
> |
shift := shift + 8; |
458 |
> |
dec(len); |
459 |
> |
end; |
460 |
> |
Result := Result + (int64(bufptr^) shl shift); |
461 |
|
end; |
462 |
|
|
463 |
|
function TFBClientAPI.Int128ToStr(bufptr: PByte; scale: integer): AnsiString; |
601 |
|
begin |
602 |
|
isc_sqlcode := GetProcAddr('isc_sqlcode'); {do not localize} |
603 |
|
isc_sql_interprete := GetProcAddr('isc_sql_interprete'); {do not localize} |
563 |
– |
isc_event_counts := GetProcAddr('isc_event_counts'); {do not localize} |
564 |
– |
isc_event_block := GetProcAddr('isc_event_block'); {do not localize} |
565 |
– |
isc_free := GetProcAddr('isc_free'); {do not localize} |
566 |
– |
isc_portable_integer := GetProcAddr('isc_portable_integer'); {do not localize} |
604 |
|
fb_shutdown := GetProcAddr('fb_shutdown'); {do not localize} |
605 |
< |
Result := assigned(isc_free); |
605 |
> |
Result := true; {don't case if these fail to load} |
606 |
|
end; |
607 |
|
|
608 |
|
procedure TFBClientAPI.FBShutdown; |
613 |
|
|
614 |
|
{ TFBStatus } |
615 |
|
|
616 |
+ |
function TFBStatus.SQLCodeSupported: boolean; |
617 |
+ |
begin |
618 |
+ |
Result:= (FOwner <> nil) and assigned(FOwner.isc_sqlcode) and assigned(FOwner.isc_sql_interprete); |
619 |
+ |
end; |
620 |
+ |
|
621 |
+ |
function TFBStatus.GetSQLMessage: Ansistring; |
622 |
+ |
var local_buffer: array[0..IBHugeLocalBufferLength - 1] of AnsiChar; |
623 |
+ |
begin |
624 |
+ |
Result := ''; |
625 |
+ |
if (FOwner <> nil) and assigned(FOwner.isc_sql_interprete) then |
626 |
+ |
begin |
627 |
+ |
FOwner.isc_sql_interprete(Getsqlcode, local_buffer, sizeof(local_buffer)); |
628 |
+ |
Result := strpas(local_buffer); |
629 |
+ |
end; |
630 |
+ |
end; |
631 |
+ |
|
632 |
|
constructor TFBStatus.Create(aOwner: TFBClientAPI; prefix: AnsiString); |
633 |
|
begin |
634 |
|
inherited Create; |
635 |
|
FOwner := aOwner; |
636 |
|
FPrefix := prefix; |
637 |
< |
FIBDataBaseErrorMessages := [ShowSQLCode, ShowSQLMessage, ShowIBMessage]; |
637 |
> |
FIBDataBaseErrorMessages := [ShowIBMessage]; |
638 |
|
end; |
639 |
|
|
640 |
|
function TFBStatus.GetIBErrorCode: TStatusCode; |
644 |
|
|
645 |
|
function TFBStatus.Getsqlcode: TStatusCode; |
646 |
|
begin |
647 |
< |
with FOwner do |
648 |
< |
Result := isc_sqlcode(PISC_STATUS(StatusVector)); |
647 |
> |
if (FOwner <> nil) and assigned(FOwner.isc_sqlcode) then |
648 |
> |
Result := FOwner.isc_sqlcode(PISC_STATUS(StatusVector)) |
649 |
> |
else |
650 |
> |
Result := -999; {generic SQL Code} |
651 |
|
end; |
652 |
|
|
653 |
|
function TFBStatus.GetMessage: AnsiString; |
654 |
< |
var local_buffer: array[0..IBHugeLocalBufferLength - 1] of AnsiChar; |
600 |
< |
IBDataBaseErrorMessages: TIBDataBaseErrorMessages; |
601 |
< |
sqlcode: Long; |
654 |
> |
var IBDataBaseErrorMessages: TIBDataBaseErrorMessages; |
655 |
|
begin |
656 |
|
Result := FPrefix; |
657 |
|
IBDataBaseErrorMessages := FIBDataBaseErrorMessages; |
658 |
< |
sqlcode := Getsqlcode; |
659 |
< |
if (ShowSQLCode in IBDataBaseErrorMessages) then |
660 |
< |
Result := Result + 'SQLCODE: ' + IntToStr(sqlcode); {do not localize} |
661 |
< |
|
662 |
< |
if (ShowSQLMessage in IBDataBaseErrorMessages) then |
663 |
< |
begin |
664 |
< |
with FOwner do |
665 |
< |
isc_sql_interprete(sqlcode, local_buffer, sizeof(local_buffer)); |
666 |
< |
if (ShowSQLCode in FIBDataBaseErrorMessages) then |
667 |
< |
Result := Result + LineEnding; |
668 |
< |
Result := Result + 'Engine Code: ' + IntToStr(GetIBErrorCode) + ' ' + strpas(local_buffer); |
658 |
> |
if SQLCodeSupported then |
659 |
> |
begin |
660 |
> |
if (ShowSQLCode in IBDataBaseErrorMessages) then |
661 |
> |
Result := Result + 'SQLCODE: ' + IntToStr(Getsqlcode); {do not localize} |
662 |
> |
|
663 |
> |
if (ShowSQLMessage in IBDataBaseErrorMessages) then |
664 |
> |
begin |
665 |
> |
if ShowSQLCode in IBDataBaseErrorMessages then |
666 |
> |
Result := Result + LineEnding; |
667 |
> |
Result := Result + GetSQLMessage; |
668 |
> |
end; |
669 |
|
end; |
670 |
|
|
671 |
|
if (ShowIBMessage in IBDataBaseErrorMessages) then |
672 |
|
begin |
673 |
< |
if (ShowSQLCode in IBDataBaseErrorMessages) or |
621 |
< |
(ShowSQLMessage in IBDataBaseErrorMessages) then |
673 |
> |
if Result <> FPrefix then |
674 |
|
Result := Result + LineEnding; |
675 |
< |
Result := Result + FOwner.FormatStatus(self); |
675 |
> |
Result := Result + 'Engine Code: ' + IntToStr(GetIBErrorCode) + LineEnding + GetIBMessage; |
676 |
|
end; |
677 |
|
if (Result <> '') and (Result[Length(Result)] = '.') then |
678 |
|
Delete(Result, Length(Result), 1); |