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* |
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*) |
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unit FB25Attachment; |
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{$IFDEF MSWINDOWS} |
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{$DEFINE WINDOWS} |
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{$ENDIF} |
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|
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{$IFDEF FPC} |
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{$mode objfpc}{$H+} |
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{$mode delphi} |
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{$interfaces COM} |
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{$ENDIF} |
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|
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|
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uses |
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Classes, SysUtils, IB, FBAttachment, FB25ClientAPI, IBHeader, |
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FBParamBlock, FBOutputBlock, FBActivityMonitor, IBExternals; |
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FBParamBlock, FBOutputBlock, FBActivityMonitor; |
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|
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type |
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{ TFB25Attachment } |
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protected |
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procedure CheckHandle; override; |
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public |
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< |
constructor Create(DatabaseName: string; aDPB: IDPB; |
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constructor Create(DatabaseName: AnsiString; aDPB: IDPB; |
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RaiseExceptionOnConnectError: boolean); |
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constructor CreateDatabase(DatabaseName: string; aDPB: IDPB; RaiseExceptionOnError: boolean); overload; |
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constructor CreateDatabase(sql: string; aSQLDialect: integer; |
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constructor CreateDatabase(DatabaseName: AnsiString; aDPB: IDPB; RaiseExceptionOnError: boolean); overload; |
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constructor CreateDatabase(sql: AnsiString; aSQLDialect: integer; |
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RaiseExceptionOnError: boolean); overload; |
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property Handle: TISC_DB_HANDLE read FHandle; |
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|
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procedure DropDatabase; |
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function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; override; |
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function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; override; |
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procedure ExecImmediate(transaction: ITransaction; sql: string; aSQLDialect: integer); override; |
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function Prepare(transaction: ITransaction; sql: string; aSQLDialect: integer): IStatement; override; |
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function PrepareWithNamedParameters(transaction: ITransaction; sql: string; |
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procedure ExecImmediate(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer); override; |
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function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; override; |
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function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString; |
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aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; override; |
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function GetEventHandler(Events: TStrings): IEvents; override; |
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function CreateBlob(transaction: ITransaction; RelationName, ColumnName: string; BPB: IBPB=nil): IBlob; overload; |
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function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload; |
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function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload; |
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function CreateBlob(transaction: ITransaction; SubType: integer; aCharSetID: cardinal=0; BPB: IBPB=nil): IBlob; overload; |
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function OpenBlob(transaction: ITransaction; RelationName, ColumnName: string; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; |
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function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; override; overload; |
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function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; |
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function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; override; |
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|
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function OpenArray(transaction: ITransaction; RelationName, ColumnName: string; |
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function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; |
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ArrayID: TISC_QUAD): IArray; |
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function CreateArray(transaction: ITransaction; RelationName, ColumnName: string |
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function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString |
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): IArray; overload; |
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function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload; |
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function CreateArrayMetaData(SQLType: cardinal; tableName: string; columnName: string; |
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function CreateArrayMetaData(SQLType: cardinal; tableName: AnsiString; columnName: AnsiString; |
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Scale: integer; size: cardinal; |
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acharSetID: cardinal; dimensions: cardinal; bounds: TArrayBounds |
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): IArrayMetaData; |
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|
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{Database Information} |
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|
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function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: string): IBlobMetaData; |
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function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: string): IArrayMetaData; |
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function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IBlobMetaData; |
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function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData; |
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function GetDBInformation(Requests: array of byte): IDBInformation; overload; |
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function GetDBInformation(Request: byte): IDBInformation; overload; |
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end; |
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IBError(ibxeDatabaseClosed,[nil]); |
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end; |
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|
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constructor TFB25Attachment.Create(DatabaseName: string; aDPB: IDPB; |
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constructor TFB25Attachment.Create(DatabaseName: AnsiString; aDPB: IDPB; |
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RaiseExceptionOnConnectError: boolean); |
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begin |
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if aDPB = nil then |
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Connect; |
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end; |
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|
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constructor TFB25Attachment.CreateDatabase(DatabaseName: string; aDPB: IDPB; |
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constructor TFB25Attachment.CreateDatabase(DatabaseName: AnsiString; aDPB: IDPB; |
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RaiseExceptionOnError: boolean); |
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var sql: string; |
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var sql: AnsiString; |
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tr_handle: TISC_TR_HANDLE; |
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begin |
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inherited Create(DatabaseName,aDPB,RaiseExceptionOnError); |
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sql := GenerateCreateDatabaseSQL(DatabaseName,aDPB); |
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tr_handle := nil; |
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with Firebird25ClientAPI do |
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if (isc_dsql_execute_immediate(StatusVector, @FHandle, @tr_handle, 0, PChar(sql), |
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if (isc_dsql_execute_immediate(StatusVector, @FHandle, @tr_handle, 0, PAnsiChar(sql), |
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SQLDialect, nil) > 0) and RaiseExceptionOnError then |
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IBDataBaseError; |
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if DPB <> nil then |
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end; |
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end; |
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|
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constructor TFB25Attachment.CreateDatabase(sql: string; aSQLDialect: integer; |
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> |
constructor TFB25Attachment.CreateDatabase(sql: AnsiString; aSQLDialect: integer; |
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RaiseExceptionOnError: boolean); |
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var tr_handle: TISC_TR_HANDLE; |
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info: IDBInformation; |
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ConnectionType: integer; |
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SiteName: string; |
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SiteName: AnsiString; |
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begin |
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inherited Create('',nil,RaiseExceptionOnError); |
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FSQLDialect := aSQLDialect; |
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tr_handle := nil; |
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with Firebird25ClientAPI do |
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begin |
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if (isc_dsql_execute_immediate(StatusVector, @FHandle, @tr_handle, 0, PChar(sql), |
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if (isc_dsql_execute_immediate(StatusVector, @FHandle, @tr_handle, 0, PAnsiChar(sql), |
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aSQLDialect, nil) > 0) and RaiseExceptionOnError then |
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IBDataBaseError; |
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|
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if DPB = nil then |
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begin |
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if (isc_attach_database(StatusVector, Length(FDatabaseName), |
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PChar(FDatabaseName), @FHandle, 0, nil) > 0) and FRaiseExceptionOnConnectError then |
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PAnsiChar(FDatabaseName), @FHandle, 0, nil) > 0) and FRaiseExceptionOnConnectError then |
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IBDatabaseError; |
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end |
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else |
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begin |
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if (isc_attach_database(StatusVector, Length(FDatabaseName), |
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PChar(FDatabaseName), @FHandle, |
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PAnsiChar(FDatabaseName), @FHandle, |
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(DPB as TDPB).getDataLength, |
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(DPB as TDPB).getBuffer) > 0 ) and FRaiseExceptionOnConnectError then |
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IBDatabaseError; |
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end; |
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|
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function TFB25Attachment.CreateBlob(transaction: ITransaction; RelationName, |
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ColumnName: string; BPB: IBPB): IBlob; |
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ColumnName: AnsiString; BPB: IBPB): IBlob; |
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begin |
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CheckHandle; |
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Result := TFB25Blob.Create(self,transaction as TFB25transaction, |
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end; |
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|
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function TFB25Attachment.OpenBlob(transaction: ITransaction; RelationName, |
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< |
ColumnName: string; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; |
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ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; |
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begin |
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CheckHandle; |
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Result := TFB25Blob.Create(self,transaction as TFB25transaction, |
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Result := TFB25Blob.Create(self,transaction as TFB25transaction,BlobMetaData,BlobID,BPB); |
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end; |
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|
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procedure TFB25Attachment.ExecImmediate(transaction: ITransaction; sql: string; |
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> |
procedure TFB25Attachment.ExecImmediate(transaction: ITransaction; sql: AnsiString; |
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aSQLDialect: integer); |
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var TRHandle: TISC_TR_HANDLE; |
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begin |
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CheckHandle; |
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TRHandle := (Transaction as TFB25Transaction).Handle; |
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with Firebird25ClientAPI do |
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if isc_dsql_execute_immediate(StatusVector, @fHandle, @TRHandle, 0,PChar(sql), aSQLDialect, nil) > 0 then |
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if isc_dsql_execute_immediate(StatusVector, @fHandle, @TRHandle, 0,PAnsiChar(sql), aSQLDialect, nil) > 0 then |
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IBDatabaseError; |
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SignalActivity; |
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end; |
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|
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function TFB25Attachment.Prepare(transaction: ITransaction; sql: string; |
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> |
function TFB25Attachment.Prepare(transaction: ITransaction; sql: AnsiString; |
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aSQLDialect: integer): IStatement; |
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begin |
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CheckHandle; |
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end; |
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|
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function TFB25Attachment.PrepareWithNamedParameters(transaction: ITransaction; |
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< |
sql: string; aSQLDialect: integer; GenerateParamNames: boolean): IStatement; |
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> |
sql: AnsiString; aSQLDialect: integer; GenerateParamNames: boolean): IStatement; |
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begin |
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CheckHandle; |
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Result := TFB25Statement.CreateWithParameterNames(self,transaction,sql,aSQLDialect, |
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Result := TFB25Events.Create(self,Events); |
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end; |
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|
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< |
function TFB25Attachment.OpenArray(transaction: ITransaction; RelationName, ColumnName: string; |
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> |
function TFB25Attachment.OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; |
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ArrayID: TISC_QUAD): IArray; |
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begin |
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CheckHandle; |
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GetArrayMetaData(transaction,RelationName,ColumnName),ArrayID); |
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end; |
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|
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< |
function TFB25Attachment.CreateArray(transaction: ITransaction; RelationName, ColumnName: string): IArray; |
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> |
function TFB25Attachment.CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString): IArray; |
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begin |
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CheckHandle; |
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Result := TFB25Array.Create(self,transaction as TFB25Transaction, |
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end; |
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|
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function TFB25Attachment.CreateArrayMetaData(SQLType: cardinal; |
339 |
< |
tableName: string; columnName: string; Scale: integer; size: cardinal; |
339 |
> |
tableName: AnsiString; columnName: AnsiString; Scale: integer; size: cardinal; |
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acharSetID: cardinal; dimensions: cardinal; bounds: TArrayBounds |
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): IArrayMetaData; |
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begin |
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end; |
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|
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function TFB25Attachment.GetBlobMetaData(Transaction: ITransaction; tableName, |
347 |
< |
columnName: string): IBlobMetaData; |
347 |
> |
columnName: AnsiString): IBlobMetaData; |
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begin |
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CheckHandle; |
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Result := TFB25BlobMetaData.Create(self,Transaction as TFB25Transaction,tableName,columnName); |
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end; |
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|
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function TFB25Attachment.GetArrayMetaData(Transaction: ITransaction; tableName, |
354 |
< |
columnName: string): IArrayMetaData; |
354 |
> |
columnName: AnsiString): IArrayMetaData; |
355 |
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begin |
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CheckHandle; |
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Result := TFB25ArrayMetaData.Create(self,Transaction as TFB25Transaction,tableName,columnName); |
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ReqBuffer[i] := Requests[i]; |
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|
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with Firebird25ClientAPI, Result as TDBInformation do |
377 |
< |
if isc_database_info(StatusVector, @(FHandle), Length(Requests), PChar(ReqBuffer), |
377 |
> |
if isc_database_info(StatusVector, @(FHandle), Length(Requests), ReqBuffer, |
378 |
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getBufSize, Buffer) > 0 then |
379 |
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IBDataBaseError; |
380 |
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|