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Comparing:
ibx/branches/journaling/fbintf/client/FBAttachment.pas (file contents), Revision 363 by tony, Tue Dec 7 13:30:05 2021 UTC vs.
ibx/branches/udr/client/FBAttachment.pas (file contents), Revision 379 by tony, Mon Jan 10 10:08:03 2022 UTC

# Line 16 | Line 16
16   *
17   *  The Initial Developer of the Original Code is Tony Whyman.
18   *
19 < *  The Original Code is (C) 2016 Tony Whyman, MWA Software
19 > *  The Original Code is (C) 2016-2021 Tony Whyman, MWA Software
20   *  (http://www.mwasoftware.co.uk).
21   *
22   *  All Rights Reserved.
# Line 69 | Line 69 | type
69      Syntax:
70  
71      Transaction Start:
72 <    *S:<date/time>,<session id>,<transaction no.>,<string length>:<transaction Name>,<string length>:<TPB>,<default Completion>
72 >    *S:<date/time>,<attachmentid>,<session id>,<transaction no.>,<string length>:<transaction Name>,<string length>:<TPB>,<default Completion>
73  
74      Transaction Commit:
75 <    *C:<date/time>,<session id>,<transaction no.>
75 >    *C:<date/time>,<attachmentid>,<session id>,<transaction no.>
76  
77      Transaction Commit retaining :
78 <    *c:<date/time>,<session id>,<transaction no.><old transaction no.>
78 >    *c:<date/time>,<attachmentid>,<session id>,<transaction no.><old transaction no.>
79  
80      Transaction Rollback:
81 <    *R:<date/time>,<session id>,<transaction no.>
81 >    *R:<date/time>,<attachmentid>,<session id>,<transaction no.>
82  
83      Transaction Rollback retaining:
84 <    *r:<date/time>,<session id>,<transaction no.><old transaction no.>
84 >    *r:<date/time>,<attachmentid>,<session id>,<transaction no.><old transaction no.>
85  
86      Update/Insert/Delete
87 <    *Q:<date/time>,<session id>,<transaction no.>,<length of query text in bytes>:<query text>
87 >    *Q:<date/time>,<attachmentid>,<session id>,<transaction no.>,<length of query text in bytes>:<query text>
88  
89    }
90  
# Line 93 | Line 93 | type
93    TFBJournaling = class(TActivityHandler, IJournallingHook)
94    private
95      {Logfile}
96 <    const sQueryJournal          = '*Q:''%s'',%d,%d,%d:%s' + LineEnding;
97 <    const sTransStartJnl         = '*S:''%s'',%d,%d,%d:%s,%d:%s,%d' + LineEnding;
98 <    const sTransCommitJnl        = '*C:''%s'',%d,%d' + LineEnding;
99 <    const sTransCommitRetJnl     = '*c:''%s'',%d,%d,%d' + LineEnding;
100 <    const sTransRollBackJnl      = '*R:''%s'',%d,%d' + LineEnding;
101 <    const sTransRollBackRetJnl   = '*r:''%s'',%d,%d,%d' + LineEnding;
96 >    const sQueryJournal          = '*Q:''%s'',%d,%d,%d,%d:%s' + LineEnding;
97 >    const sTransStartJnl         = '*S:''%s'',%d,%d,%d,%d:%s,%d:%s,%d' + LineEnding;
98 >    const sTransCommitJnl        = '*C:''%s'',%d,%d,%d' + LineEnding;
99 >    const sTransCommitRetJnl     = '*c:''%s'',%d,%d,%d,%d' + LineEnding;
100 >    const sTransRollBackJnl      = '*R:''%s'',%d,%d,%d' + LineEnding;
101 >    const sTransRollBackRetJnl   = '*r:''%s'',%d,%d,%d,%d' + LineEnding;
102    private
103      FOptions: TJournalOptions;
104      FJournalFilePath: string;
# Line 125 | Line 125 | type
125      function GetJournalOptions: TJournalOptions;
126      function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
127      function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
128 +    function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
129      procedure StopJournaling(RetainJournal: boolean);
130    end;
131  
# Line 139 | Line 140 | type
140      FUserCharSetMap: array of TCharSetMap;
141      FSecDatabase: AnsiString;
142      FInlineBlobLimit: integer;
143 <  protected
143 <    FDatabaseName: AnsiString;
144 <    FRaiseExceptionOnConnectError: boolean;
143 >    FAttachmentID: integer;
144      FSQLDialect: integer;
145      FHasDefaultCharSet: boolean;
146      FCharSetID: integer;
147      FCodePage: TSystemCodePage;
148      FRemoteProtocol: AnsiString;
149      FAuthMethod: AnsiString;
150 +    FHasConnectionInfo: boolean;
151 +    procedure NeedDBInfo;
152 +    procedure NeedConnectionInfo;
153 +  protected
154 +    FDatabaseName: AnsiString;
155 +    FRaiseExceptionOnConnectError: boolean;
156      constructor Create(api: TFBClientAPI; DatabaseName: AnsiString; DPB: IDPB;
157        RaiseExceptionOnConnectError: boolean);
158      procedure CheckHandle; virtual; abstract;
159 +    procedure ClearCachedInfo;
160      function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
155    procedure GetODSAndConnectionInfo;
161      function GetDBInfo(ReqBuffer: PByte; ReqBufLen: integer): IDBInformation; virtual; abstract;
162      function IsConnected: boolean; virtual; abstract;
163      procedure EndAllTransactions;
164      procedure DPBFromCreateSQL(CreateSQL: AnsiString);
165      procedure SetParameters(SQLParams: ISQLParams; params: array of const);
166 +    procedure SetSQLDialect(aValue: integer);
167      procedure UseServerICUChanged; virtual;
168    public
169      destructor Destroy; override;
170 +    procedure Disconnect(Force: boolean); override;
171      function getFirebirdAPI: IFirebirdAPI;
172      function getDPB: IDPB;
173      function AllocateBPB: IBPB;
# Line 217 | Line 224 | type
224      function GetEventHandler(Event: AnsiString): IEvents; overload;
225  
226      function GetSQLDialect: integer;
227 +    function GetAttachmentID: integer;
228      function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
229      function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
230      function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
# Line 227 | Line 235 | type
235      function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload; virtual; abstract;
236      function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray; overload;
237      function OpenArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData; ArrayID: TISC_QUAD): IArray; overload; virtual; abstract;
238 <    property SQLDialect: integer read FSQLDialect;
238 >    property SQLDialect: integer read GetSQLDialect;
239      property DPB: IDPB read FDPB;
240    public
241      function GetDBInformation(Requests: array of byte): IDBInformation; overload;
242      function GetDBInformation(Request: byte): IDBInformation; overload;
243      function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
236    function GetAttachmentID: integer;
244      function GetConnectString: AnsiString;
245      function GetRemoteProtocol: AnsiString;
246      function GetAuthenticationMethod: AnsiString;
247      function GetSecurityDatabase: AnsiString;
248      function GetODSMajorVersion: integer;
249      function GetODSMinorVersion: integer;
250 +    function GetCharSetID: integer;
251      function HasDecFloatSupport: boolean; virtual;
252      function GetInlineBlobLimit: integer;
253      procedure SetInlineBlobLimit(limit: integer);
254      function HasBatchMode: boolean; virtual;
255      function HasTable(aTableName: AnsiString): boolean;
256 +    function HasFunction(aFunctionName: AnsiString): boolean;
257 +    function HasProcedure(aProcName: AnsiString): boolean;
258  
259    public
260      {Character Sets}
# Line 259 | Line 269 | type
269        AllowReverseLookup:boolean; out CharSetID: integer);
270      function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IBlobMetaData; virtual; abstract;
271      function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData; virtual; abstract;
272 <    property CharSetID: integer read FCharSetID;
272 >    property CharSetID: integer read GetCharSetID;
273      property CodePage: TSystemCodePage read FCodePage;
274  
275    public
# Line 610 | Line 620 | end;
620  
621   procedure TFBJournaling.EndSession(RetainJournal: boolean);
622   begin
623 <  if JournalingActive then
623 >  if JournalingActive and (FJournalFilePath <> '') then
624    begin
625      FreeAndNil(FJournalFileStream);
626 <    if not RetainJournal then
626 >    if not (joNoServerTable in FOptions) and not RetainJournal then
627      try
628          GetAttachment.ExecuteSQL([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],
629               sqlCleanUpSession,[FSessionID]);
# Line 638 | Line 648 | var LogEntry: AnsiString;
648      TPBText: AnsiString;
649   begin
650    FDoNotJournal := true;
651 +  if not (joNoServerTable in FOptions) then
652    try
653      GetAttachment.ExecuteSQL(Tr,sqlRecordJournalEntry,[FSessionID,Tr.GetTransactionID,NULL]);
654    finally
# Line 645 | Line 656 | begin
656    end;
657    TPBText := Tr.getTPB.AsText;
658    LogEntry := Format(sTransStartJnl,[FBFormatDateTime(GetDateTimeFmt,Now),
659 +                                     GetAttachment.GetAttachmentID,
660                                       FSessionID,
661                                       Tr.GetTransactionID,
662                                       Length(Tr.TransactionName),
# Line 664 | Line 676 | begin
676      case Action of
677      TARollback:
678        begin
679 <        LogEntry := Format(sTransRollbackJnl,[FBFormatDateTime(GetDateTimeFmt,Now),FSessionID,TransactionID]);
679 >        LogEntry := Format(sTransRollbackJnl,[FBFormatDateTime(GetDateTimeFmt,Now),
680 >                                              GetAttachment.GetAttachmentID,
681 >                                              FSessionID,TransactionID]);
682          Result := true;
683        end;
684      TACommit:
685        begin
686 <        LogEntry := Format(sTransCommitJnl,[FBFormatDateTime(GetDateTimeFmt,Now),FSessionID,TransactionID]);
686 >        LogEntry := Format(sTransCommitJnl,[FBFormatDateTime(GetDateTimeFmt,Now),
687 >                                            GetAttachment.GetAttachmentID,
688 >                                            FSessionID,TransactionID]);
689          Result := true;
690        end;
691      end;
# Line 684 | Line 700 | begin
700      case Action of
701        TACommitRetaining:
702            LogEntry := Format(sTransCommitRetJnl,[FBFormatDateTime(GetDateTimeFmt,Now),
703 +                                  GetAttachment.GetAttachmentID,
704                                    FSessionID,Tr.GetTransactionID,OldTransactionID]);
705        TARollbackRetaining:
706            LogEntry := Format(sTransRollbackRetJnl,[FBFormatDateTime(GetDateTimeFmt,Now),
707 +                                      GetAttachment.GetAttachmentID,
708                                        FSessionID,Tr.GetTransactionID,OldTransactionID]);
709      end;
710      if assigned(FJournalFileStream) then
711        FJournalFileStream.Write(LogEntry[1],Length(LogEntry));
712  
713      FDoNotJournal := true;
714 +    if not (joNoServerTable in FOptions) then
715      try
716        GetAttachment.ExecuteSQL(Tr,sqlRecordJournalEntry,[FSessionID,Tr.GetTransactionID,OldTransactionID]);
717      finally
# Line 706 | Line 725 | var SQL: AnsiString;
725   begin
726    SQL := TQueryProcessor.Execute(Stmt);
727    LogEntry := Format(sQueryJournal,[FBFormatDateTime(GetDateTimeFmt,Now),
728 +                                      GetAttachment.GetAttachmentID,
729                                        FSessionID,
730                                        Stmt.GetTransaction.GetTransactionID,
731                                        Length(SQL),SQL]);
# Line 731 | Line 751 | end;
751   function TFBJournaling.StartJournaling(aJournalLogFile: AnsiString;
752    Options: TJournalOptions): integer;
753   begin
754 +  try
755 +    StartJournaling(TFileStream.Create(aJournalLogFile,fmCreate),Options);
756 +  finally
757 +    FJournalFilePath := aJournalLogFile;
758 +  end;
759 + end;
760 +
761 + function TFBJournaling.StartJournaling(S: TStream; Options: TJournalOptions
762 +  ): integer;
763 + begin
764    FOptions := Options;
765 +  if not (joNoServerTable in FOptions) then
766    with GetAttachment do
767    begin
768 <    if not HasTable(sJournalTableName) then
768 >    if  not HasTable(sJournalTableName) then
769      begin
770        ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateJournalTable);
771        ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateSequence);
772      end;
773      FSessionID := OpenCursorAtStart(sqlGetNextSessionID)[0].AsInteger;
774    end;
775 <  FJournalFilePath := aJournalLogFile;
745 <  FJournalFileStream := TFileStream.Create(FJournalFilePath,fmCreate);
775 >  FJournalFileStream := S;
776    Result := FSessionID;
777   end;
778  
# Line 751 | Line 781 | begin
781    EndSession(RetainJournal);
782   end;
783  
754
755
756
784   { TFBAttachment }
785  
786 < procedure TFBAttachment.GetODSAndConnectionInfo;
787 < var DBInfo: IDBInformation;
761 <    i: integer;
762 <    Stmt: IStatement;
786 > procedure TFBAttachment.NeedConnectionInfo;
787 > var Stmt: IStatement;
788      ResultSet: IResultSet;
789      Param: IDPBItem;
790   begin
791 <  if not IsConnected then Exit;
792 <  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
768 <                               isc_info_db_SQL_Dialect]);
769 <  for i := 0 to DBInfo.GetCount - 1 do
770 <    with DBInfo[i] do
771 <      case getItemType of
772 <      isc_info_ods_minor_version:
773 <        FODSMinorVersion := getAsInteger;
774 <      isc_info_ods_version:
775 <        FODSMajorVersion := getAsInteger;
776 <      isc_info_db_SQL_Dialect:
777 <        FSQLDialect := getAsInteger;
778 <      end;
779 <
791 >  if not IsConnected or FHasConnectionInfo then Exit;
792 >  NeedDBInfo;
793    FCharSetID := 0;
794    FRemoteProtocol := '';
795    FAuthMethod := 'Legacy_Auth';
# Line 822 | Line 835 | begin
835      end;
836    end;
837    FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
838 +  FHasConnectionInfo := true;
839 + end;
840 +
841 + procedure TFBAttachment.NeedDBInfo;
842 + var DBInfo: IDBInformation;
843 +    i: integer;
844 + begin
845 +  if not IsConnected or (FAttachmentID > 0) then Exit;
846 +  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
847 +                               isc_info_db_SQL_Dialect, isc_info_attachment_id]);
848 +  for i := 0 to DBInfo.GetCount - 1 do
849 +    with DBInfo[i] do
850 +      case getItemType of
851 +      isc_info_ods_minor_version:
852 +        FODSMinorVersion := getAsInteger;
853 +      isc_info_ods_version:
854 +        FODSMajorVersion := getAsInteger;
855 +      isc_info_db_SQL_Dialect:
856 +        FSQLDialect := getAsInteger;
857 +      isc_info_attachment_id:
858 +        FAttachmentID := getAsInteger;
859 +      end;
860   end;
861  
862   constructor TFBAttachment.Create(api: TFBClientAPI; DatabaseName: AnsiString;
# Line 831 | Line 866 | begin
866    FFirebirdAPI := api.GetAPI; {Keep reference to interface}
867    FSQLDialect := 3;
868    FDatabaseName := DatabaseName;
834  FDPB := DPB;
869    SetLength(FUserCharSetMap,0);
870 +  ClearCachedInfo;
871 +  FInlineBlobLimit := DefaultMaxInlineBlobLimit;
872 +  FDPB := DPB;
873    FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
874 + end;
875 +
876 + procedure TFBAttachment.ClearCachedInfo;
877 + begin
878 +  FHasDefaultCharSet := false;
879 +  FAttachmentID := 0;
880    FODSMajorVersion := 0;
881    FODSMinorVersion := 0;
882 <  FInlineBlobLimit := DefaultMaxInlineBlobLimit;
882 >  FCodePage := CP_NONE;
883 >  FCharSetID := 0;
884 >  FRemoteProtocol := '';
885 >  FAuthMethod := '';
886 >  FSecDatabase := '';
887 >  FHasConnectionInfo := false;
888   end;
889  
890   function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString;  aDPB: IDPB): AnsiString;
# Line 970 | Line 1018 | begin
1018    end;
1019   end;
1020  
1021 + procedure TFBAttachment.SetSQLDialect(aValue: integer);
1022 + begin
1023 +  FSQLDialect := aValue;
1024 + end;
1025 +
1026   procedure TFBAttachment.UseServerICUChanged;
1027   begin
1028    // Do nothing by default
# Line 981 | Line 1034 | begin
1034    inherited Destroy;
1035   end;
1036  
1037 + procedure TFBAttachment.Disconnect(Force: boolean);
1038 + begin
1039 +  inherited Disconnect(Force);
1040 +  ClearCachedInfo;
1041 + end;
1042 +
1043   function TFBAttachment.getFirebirdAPI: IFirebirdAPI;
1044   begin
1045    Result := FFirebirdAPI;
# Line 1178 | Line 1237 | end;
1237  
1238   function TFBAttachment.GetSQLDialect: integer;
1239   begin
1240 +  NeedDBInfo;
1241    Result := FSQLDialect;
1242   end;
1243  
1244 + function TFBAttachment.GetAttachmentID: integer;
1245 + begin
1246 +  NeedDBInfo;
1247 +  Result := FAttachmentID;
1248 + end;
1249 +
1250   function TFBAttachment.CreateBlob(transaction: ITransaction; RelationName,
1251    ColumnName: AnsiString; BPB: IBPB): IBlob;
1252   begin
# Line 1250 | Line 1316 | begin
1316      Result := GetDBInfo(getBuffer,getDataLength);
1317   end;
1318  
1253 function TFBAttachment.GetAttachmentID: integer;
1254 var Info: IDBInformation;
1255 begin
1256  Info := GetDBInformation(isc_info_attachment_id);
1257  if (Info.Count > 0) and (Info[0].getItemType = isc_info_attachment_id) then
1258    Result := Info[0].getAsInteger
1259  else
1260    Result := -1;
1261 end;
1262
1319   function TFBAttachment.GetConnectString: AnsiString;
1320   begin
1321    Result := FDatabaseName;
# Line 1267 | Line 1323 | end;
1323  
1324   function TFBAttachment.GetRemoteProtocol: AnsiString;
1325   begin
1326 +  NeedConnectionInfo;
1327    Result := FRemoteProtocol;
1328   end;
1329  
1330   function TFBAttachment.GetAuthenticationMethod: AnsiString;
1331   begin
1332 +  NeedConnectionInfo;
1333    Result := FAuthMethod;
1334   end;
1335  
1336   function TFBAttachment.GetSecurityDatabase: AnsiString;
1337   begin
1338 +  NeedConnectionInfo;
1339    Result := FSecDatabase;
1340   end;
1341  
1342   function TFBAttachment.GetODSMajorVersion: integer;
1343   begin
1344 +  NeedDBInfo;
1345    Result := FODSMajorVersion;
1346   end;
1347  
1348   function TFBAttachment.GetODSMinorVersion: integer;
1349   begin
1350 +  NeedDBInfo;
1351    Result := FODSMinorVersion;
1352   end;
1353  
1354 + function TFBAttachment.GetCharSetID: integer;
1355 + begin
1356 +  NeedConnectionInfo;
1357 +  Result := FCharSetID;
1358 + end;
1359 +
1360   function TFBAttachment.HasDecFloatSupport: boolean;
1361   begin
1362    Result := false;
# Line 1320 | Line 1387 | begin
1387            [aTableName])[0].AsInteger > 0;
1388   end;
1389  
1390 + function TFBAttachment.HasFunction(aFunctionName: AnsiString): boolean;
1391 + begin
1392 +  Result := OpenCursorAtStart(
1393 +       'Select count(*) From RDB$FUNCTIONS Where RDB$FUNCTION_NAME = ?',
1394 +          [aFunctionName])[0].AsInteger > 0;
1395 + end;
1396 +
1397 + function TFBAttachment.HasProcedure(aProcName: AnsiString): boolean;
1398 + begin
1399 +  Result := OpenCursorAtStart(
1400 +       'Select count(*) From RDB$PROCEDURES Where RDB$PROCEDURE_NAME = ?',
1401 +          [aProcName])[0].AsInteger > 0;
1402 + end;
1403 +
1404   function TFBAttachment.HasDefaultCharSet: boolean;
1405   begin
1406 +  NeedConnectionInfo;
1407    Result := FHasDefaultCharSet
1408   end;
1409  
1410   function TFBAttachment.GetDefaultCharSetID: integer;
1411   begin
1412 +  NeedConnectionInfo;
1413    Result := FCharsetID;
1414   end;
1415  

Comparing:
ibx/branches/journaling/fbintf/client/FBAttachment.pas (property svn:eol-style), Revision 363 by tony, Tue Dec 7 13:30:05 2021 UTC vs.
ibx/branches/udr/client/FBAttachment.pas (property svn:eol-style), Revision 379 by tony, Mon Jan 10 10:08:03 2022 UTC

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