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{************************************************************************}
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{ }
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{ Borland Delphi Visual Component Library }
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{ InterBase Express core components }
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{ }
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{ Copyright (c) 1998-2000 Inprise Corporation }
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{ }
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{ InterBase Express is based in part on the product }
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{ Free IB Components, written by Gregory H. Deatz for }
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{ Hoagland, Longo, Moran, Dunst & Doukas Company. }
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{ Free IB Components is used under license. }
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{ }
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{ The contents of this file are subject to the InterBase }
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{ Public License Version 1.0 (the "License"); you may not }
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{ use this file except in compliance with the License. You }
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{ may obtain a copy of the License at http://www.Inprise.com/IPL.html }
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{ Software distributed under the License is distributed on }
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{ an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either }
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{ express or implied. See the License for the specific language }
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{ governing rights and limitations under the License. }
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{ The Original Code was created by InterBase Software Corporation }
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{ and its successors. }
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{ Portions created by Inprise Corporation are Copyright (C) Inprise }
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{ Corporation. All Rights Reserved. }
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{ Contributor(s): Jeff Overcash }
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{ }
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{ IBX For Lazarus (Firebird Express) }
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{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
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{ Portions created by MWA Software are copyright McCallum Whyman }
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{ Associates Ltd 2011 }
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{ }
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{************************************************************************}
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unit IB;
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35 |
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{$Mode Delphi}
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37 |
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interface
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39 |
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uses
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{$IFDEF WINDOWS }
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Windows,
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{$ELSE}
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unix,
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45 |
{$ENDIF}
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SysUtils, Classes, IBExternals, IBUtils, DB, IBXConst, CustApp;
|
47 |
|
48 |
type
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TIBGUIInterface = interface
|
50 |
function ServerLoginDialog(const AServerName: string;
|
51 |
var AUserName, APassword: string): Boolean;
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52 |
function LoginDialogEx(const ADatabaseName: string;
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var AUserName, APassword: string;
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NameReadOnly: Boolean): Boolean;
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55 |
procedure SetCursor;
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procedure RestoreCursor;
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end;
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TTraceFlag = (tfQPrepare, tfQExecute, tfQFetch, tfError, tfStmt, tfConnect,
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tfTransact, tfBlob, tfService, tfMisc);
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TTraceFlags = set of TTraceFlag;
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62 |
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EIBError = class(EDatabaseError)
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private
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FSQLCode: Long;
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FIBErrorCode: Long;
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public
|
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constructor Create(ASQLCode: Long; Msg: string); overload;
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constructor Create(ASQLCode: Long; AIBErrorCode: Long; Msg: string); overload;
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property SQLCode: Long read FSQLCode;
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property IBErrorCode: Long read FIBErrorCode;
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end;
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EIBInterBaseError = class(EIBError);
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EIBClientError = class(EIBError);
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76 |
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TIBDataBaseErrorMessage = (ShowSQLCode,
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ShowIBMessage,
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ShowSQLMessage);
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TIBDataBaseErrorMessages = set of TIBDataBaseErrorMessage;
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TIBClientError = (
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ibxeUnknownError,
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ibxeInterBaseMissing,
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ibxeInterBaseInstallMissing,
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ibxeIB60feature,
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ibxeNotSupported,
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ibxeNotPermitted,
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88 |
ibxeFileAccessError,
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89 |
ibxeConnectionTimeout,
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ibxeCannotSetDatabase,
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ibxeCannotSetTransaction,
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ibxeOperationCancelled,
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93 |
ibxeDPBConstantNotSupported,
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ibxeDPBConstantUnknown,
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ibxeTPBConstantNotSupported,
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ibxeTPBConstantUnknown,
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ibxeDatabaseClosed,
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ibxeDatabaseOpen,
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ibxeDatabaseNameMissing,
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ibxeNotInTransaction,
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ibxeInTransaction,
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ibxeTimeoutNegative,
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ibxeNoDatabasesInTransaction,
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ibxeUpdateWrongDB,
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ibxeUpdateWrongTR,
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ibxeDatabaseNotAssigned,
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ibxeTransactionNotAssigned,
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ibxeXSQLDAIndexOutOfRange,
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ibxeXSQLDANameDoesNotExist,
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ibxeEOF,
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ibxeBOF,
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ibxeInvalidStatementHandle,
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ibxeSQLOpen,
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ibxeSQLClosed,
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ibxeDatasetOpen,
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ibxeDatasetClosed,
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ibxeUnknownSQLDataType,
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ibxeInvalidColumnIndex,
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ibxeInvalidParamColumnIndex,
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ibxeInvalidDataConversion,
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ibxeColumnIsNotNullable,
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ibxeBlobCannotBeRead,
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ibxeBlobCannotBeWritten,
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ibxeEmptyQuery,
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ibxeCannotOpenNonSQLSelect,
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ibxeNoFieldAccess,
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ibxeFieldReadOnly,
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ibxeFieldNotFound,
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ibxeNotEditing,
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ibxeCannotInsert,
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ibxeCannotPost,
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ibxeCannotUpdate,
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ibxeCannotDelete,
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ibxeCannotRefresh,
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ibxeBufferNotSet,
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ibxeCircularReference,
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ibxeSQLParseError,
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ibxeUserAbort,
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ibxeDataSetUniDirectional,
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ibxeCannotCreateSharedResource,
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ibxeWindowsAPIError,
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ibxeColumnListsDontMatch,
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ibxeColumnTypesDontMatch,
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ibxeCantEndSharedTransaction,
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ibxeFieldUnsupportedType,
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ibxeCircularDataLink,
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ibxeEmptySQLStatement,
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ibxeIsASelectStatement,
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ibxeRequiredParamNotSet,
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ibxeNoStoredProcName,
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ibxeIsAExecuteProcedure,
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ibxeUpdateFailed,
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ibxeNotCachedUpdates,
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ibxeNotLiveRequest,
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ibxeNoProvider,
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ibxeNoRecordsAffected,
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ibxeNoTableName,
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ibxeCannotCreatePrimaryIndex,
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ibxeCannotDropSystemIndex,
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ibxeTableNameMismatch,
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ibxeIndexFieldMissing,
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ibxeInvalidCancellation,
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ibxeInvalidEvent,
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ibxeMaximumEvents,
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ibxeNoEventsRegistered,
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ibxeInvalidQueueing,
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ibxeInvalidRegistration,
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ibxeInvalidBatchMove,
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ibxeSQLDialectInvalid,
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ibxeSPBConstantNotSupported,
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ibxeSPBConstantUnknown,
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ibxeServiceActive,
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ibxeServiceInActive,
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ibxeServerNameMissing,
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ibxeQueryParamsError,
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ibxeStartParamsError,
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ibxeOutputParsingError,
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ibxeUseSpecificProcedures,
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ibxeSQLMonitorAlreadyPresent,
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ibxeCantPrintValue,
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ibxeEOFReached,
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ibxeEOFInComment,
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ibxeEOFInString,
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ibxeParamNameExpected,
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ibxeSuccess,
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ibxeDelphiException,
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ibxeNoOptionsSet,
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ibxeNoDestinationDirectory,
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ibxeNosourceDirectory,
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ibxeNoUninstallFile,
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ibxeOptionNeedsClient,
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ibxeOptionNeedsServer,
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ibxeInvalidOption,
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ibxeInvalidOnErrorResult,
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ibxeInvalidOnStatusResult,
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ibxeDPBConstantUnknownEx,
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ibxeTPBConstantUnknownEx,
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ibxeSV5APIError,
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ibxeThreadFailed,
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ibxeFieldSizeError,
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ibxeTransactionNotEnding,
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ibxeDscInfoTokenMissing,
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ibxeNoLoginDialog
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);
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205 |
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TStatusVector = array[0..19] of ISC_STATUS;
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PStatusVector = ^TStatusVector;
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{TResultBuffer inspired by IBPP RB class - access a isc_dsql_sql_info result buffer}
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210 |
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TResultBuffer = class
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private
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213 |
mBuffer: PChar;
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mSize: short;
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function FindToken(token: char): PChar; overload;
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function FindToken(token: char; subtoken: char): PChar; overload;
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public
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constructor Create(aSize: integer = 1024);
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destructor Destroy; override;
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function Size: short;
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procedure Reset;
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function GetValue(token: char): integer; overload;
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function GetValue(token: char; subtoken: char): integer; overload;
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function GetCountValue(token: char): integer;
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function GetBool(token: char): boolean;
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function GetString(token: char; var data: string): integer;
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function buffer: PChar;
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end;
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const
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IBPalette1 = 'Firebird'; {do not localize}
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IBPalette2 = 'Firebird Admin'; {do not localize}
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IBPalette3 = 'Firebird Data Controls'; {do not localize}
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IBLocalBufferLength = 512;
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IBBigLocalBufferLength = IBLocalBufferLength * 2;
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IBHugeLocalBufferLength = IBBigLocalBufferLength * 20;
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IBErrorMessages: array[TIBClientError] of string = (
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SUnknownError,
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SInterBaseMissing,
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SInterBaseInstallMissing,
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SIB60feature,
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SNotSupported,
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245 |
SNotPermitted,
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SFileAccessError,
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SConnectionTimeout,
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SCannotSetDatabase,
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SCannotSetTransaction,
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SOperationCancelled,
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SDPBConstantNotSupported,
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SDPBConstantUnknown,
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253 |
STPBConstantNotSupported,
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STPBConstantUnknown,
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SDatabaseClosed,
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SDatabaseOpen,
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257 |
SDatabaseNameMissing,
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SNotInTransaction,
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SInTransaction,
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STimeoutNegative,
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SNoDatabasesInTransaction,
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SUpdateWrongDB,
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SUpdateWrongTR,
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SDatabaseNotAssigned,
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STransactionNotAssigned,
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SXSQLDAIndexOutOfRange,
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SXSQLDANameDoesNotExist,
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SEOF,
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SBOF,
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SInvalidStatementHandle,
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SSQLOpen,
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SSQLClosed,
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SDatasetOpen,
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SDatasetClosed,
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SUnknownSQLDataType,
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SInvalidColumnIndex,
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SInvalidParamColumnIndex,
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SInvalidDataConversion,
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SColumnIsNotNullable,
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SBlobCannotBeRead,
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281 |
SBlobCannotBeWritten,
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SEmptyQuery,
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283 |
SCannotOpenNonSQLSelect,
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284 |
SNoFieldAccess,
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SFieldReadOnly,
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SFieldNotFound,
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SNotEditing,
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SCannotInsert,
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SCannotPost,
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SCannotUpdate,
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SCannotDelete,
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SCannotRefresh,
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SBufferNotSet,
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SCircularReference,
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SSQLParseError,
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296 |
SUserAbort,
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297 |
SDataSetUniDirectional,
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298 |
SCannotCreateSharedResource,
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299 |
SWindowsAPIError,
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300 |
SColumnListsDontMatch,
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301 |
SColumnTypesDontMatch,
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302 |
SCantEndSharedTransaction,
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303 |
SFieldUnsupportedType,
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SCircularDataLink,
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305 |
SEmptySQLStatement,
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306 |
SIsASelectStatement,
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307 |
SRequiredParamNotSet,
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308 |
SNoStoredProcName,
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309 |
SIsAExecuteProcedure,
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310 |
SUpdateFailed,
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311 |
SNotCachedUpdates,
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312 |
SNotLiveRequest,
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313 |
SNoProvider,
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314 |
SNoRecordsAffected,
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315 |
SNoTableName,
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316 |
SCannotCreatePrimaryIndex,
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317 |
SCannotDropSystemIndex,
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318 |
STableNameMismatch,
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319 |
SIndexFieldMissing,
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320 |
SInvalidCancellation,
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321 |
SInvalidEvent,
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322 |
SMaximumEvents,
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323 |
SNoEventsRegistered,
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324 |
SInvalidQueueing,
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325 |
SInvalidRegistration,
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326 |
SInvalidBatchMove,
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327 |
SSQLDialectInvalid,
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328 |
SSPBConstantNotSupported,
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329 |
SSPBConstantUnknown,
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330 |
SServiceActive,
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331 |
SServiceInActive,
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332 |
SServerNameMissing,
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333 |
SQueryParamsError,
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334 |
SStartParamsError,
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335 |
SOutputParsingError,
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336 |
SUseSpecificProcedures,
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337 |
SSQLMonitorAlreadyPresent,
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338 |
SCantPrintValue,
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339 |
SEOFReached,
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340 |
SEOFInComment,
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341 |
SEOFInString,
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342 |
SParamNameExpected,
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343 |
SSuccess,
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344 |
SDelphiException,
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345 |
SNoOptionsSet,
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346 |
SNoDestinationDirectory,
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347 |
SNosourceDirectory,
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348 |
SNoUninstallFile,
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349 |
SOptionNeedsClient,
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350 |
SOptionNeedsServer,
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351 |
SInvalidOption,
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352 |
SInvalidOnErrorResult,
|
353 |
SInvalidOnStatusResult,
|
354 |
SDPBConstantUnknownEx,
|
355 |
STPBConstantUnknownEx,
|
356 |
SSV5APIError,
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357 |
SThreadFailed,
|
358 |
SFieldSizeError,
|
359 |
STransactionNotEnding,
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360 |
SDscInfoTokenMissing,
|
361 |
SNoLoginDialog
|
362 |
);
|
363 |
|
364 |
const
|
365 |
IBGUIInterface: TIBGUIInterface = nil;
|
366 |
|
367 |
|
368 |
var
|
369 |
IBCS: TRTLCriticalSection;
|
370 |
|
371 |
procedure IBAlloc(var P; OldSize, NewSize: Integer);
|
372 |
|
373 |
procedure IBError(ErrMess: TIBClientError; const Args: array of const);
|
374 |
procedure IBDataBaseError;
|
375 |
|
376 |
function StatusVector: PISC_STATUS;
|
377 |
function StatusVectorArray: PStatusVector;
|
378 |
function CheckStatusVector(ErrorCodes: array of ISC_STATUS): Boolean;
|
379 |
function StatusVectorAsText: string;
|
380 |
|
381 |
procedure SetIBDataBaseErrorMessages(Value: TIBDataBaseErrorMessages);
|
382 |
function GetIBDataBaseErrorMessages: TIBDataBaseErrorMessages;
|
383 |
|
384 |
implementation
|
385 |
|
386 |
uses
|
387 |
IBIntf, IBHeader;
|
388 |
|
389 |
var
|
390 |
IBDataBaseErrorMessages: TIBDataBaseErrorMessages;
|
391 |
threadvar
|
392 |
FStatusVector : TStatusVector;
|
393 |
|
394 |
procedure IBAlloc(var P; OldSize, NewSize: Integer);
|
395 |
var
|
396 |
i: Integer;
|
397 |
begin
|
398 |
ReallocMem(Pointer(P), NewSize);
|
399 |
for i := OldSize to NewSize - 1 do PChar(P)[i] := #0;
|
400 |
end;
|
401 |
|
402 |
procedure IBError(ErrMess: TIBClientError; const Args: array of const);
|
403 |
begin
|
404 |
raise EIBClientError.Create(Ord(ErrMess),
|
405 |
Format(IBErrorMessages[ErrMess], Args));
|
406 |
end;
|
407 |
|
408 |
procedure IBDataBaseError;
|
409 |
var
|
410 |
sqlcode: Long;
|
411 |
IBErrorCode: Long;
|
412 |
local_buffer: array[0..IBHugeLocalBufferLength - 1] of char;
|
413 |
usr_msg: string;
|
414 |
status_vector: PISC_STATUS;
|
415 |
IBDataBaseErrorMessages: TIBDataBaseErrorMessages;
|
416 |
begin
|
417 |
usr_msg := '';
|
418 |
|
419 |
{ Get a local reference to the status vector.
|
420 |
Get a local copy of the IBDataBaseErrorMessages options.
|
421 |
Get the SQL error code }
|
422 |
status_vector := StatusVector;
|
423 |
IBErrorCode := StatusVectorArray[1];
|
424 |
IBDataBaseErrorMessages := GetIBDataBaseErrorMessages;
|
425 |
sqlcode := isc_sqlcode(status_vector);
|
426 |
|
427 |
if (ShowSQLCode in IBDataBaseErrorMessages) then
|
428 |
usr_msg := usr_msg + 'SQLCODE: ' + IntToStr(sqlcode); {do not localize}
|
429 |
Exclude(IBDataBaseErrorMessages, ShowSQLMessage);
|
430 |
if (ShowSQLMessage in IBDataBaseErrorMessages) then
|
431 |
begin
|
432 |
isc_sql_interprete(sqlcode, local_buffer, IBLocalBufferLength);
|
433 |
if (ShowSQLCode in IBDataBaseErrorMessages) then
|
434 |
usr_msg := usr_msg + CRLF;
|
435 |
usr_msg := usr_msg + strpas(local_buffer);
|
436 |
end;
|
437 |
|
438 |
if (ShowIBMessage in IBDataBaseErrorMessages) then
|
439 |
begin
|
440 |
if (ShowSQLCode in IBDataBaseErrorMessages) or
|
441 |
(ShowSQLMessage in IBDataBaseErrorMessages) then
|
442 |
usr_msg := usr_msg + CRLF;
|
443 |
while (isc_interprete(local_buffer, @status_vector) > 0) do
|
444 |
begin
|
445 |
if (usr_msg <> '') and (usr_msg[Length(usr_msg)] <> LF) then
|
446 |
usr_msg := usr_msg + CRLF;
|
447 |
usr_msg := usr_msg + strpas(local_buffer);
|
448 |
end;
|
449 |
end;
|
450 |
if (usr_msg <> '') and (usr_msg[Length(usr_msg)] = '.') then
|
451 |
Delete(usr_msg, Length(usr_msg), 1);
|
452 |
raise EIBInterBaseError.Create(sqlcode, IBErrorCode, usr_msg);
|
453 |
end;
|
454 |
|
455 |
{ Return the status vector for the current thread }
|
456 |
function StatusVector: PISC_STATUS;
|
457 |
begin
|
458 |
result := @FStatusVector;
|
459 |
end;
|
460 |
|
461 |
function StatusVectorArray: PStatusVector;
|
462 |
begin
|
463 |
result := @FStatusVector;
|
464 |
end;
|
465 |
|
466 |
function CheckStatusVector(ErrorCodes: array of ISC_STATUS): Boolean;
|
467 |
var
|
468 |
p: PISC_STATUS;
|
469 |
i: Integer;
|
470 |
procedure NextP(i: Integer);
|
471 |
begin
|
472 |
p := PISC_STATUS(PChar(p) + (i * SizeOf(ISC_STATUS)));
|
473 |
end;
|
474 |
begin
|
475 |
p := @FStatusVector;
|
476 |
result := False;
|
477 |
while (p^ <> 0) and (not result) do
|
478 |
case p^ of
|
479 |
3: NextP(3);
|
480 |
1, 4:
|
481 |
begin
|
482 |
NextP(1);
|
483 |
i := 0;
|
484 |
while (i <= High(ErrorCodes)) and (not result) do
|
485 |
begin
|
486 |
result := p^ = ErrorCodes[i];
|
487 |
Inc(i);
|
488 |
end;
|
489 |
NextP(1);
|
490 |
end;
|
491 |
else
|
492 |
NextP(2);
|
493 |
end;
|
494 |
end;
|
495 |
|
496 |
function StatusVectorAsText: string;
|
497 |
var
|
498 |
p: PISC_STATUS;
|
499 |
function NextP(i: Integer): PISC_STATUS;
|
500 |
begin
|
501 |
p := PISC_STATUS(PChar(p) + (i * SizeOf(ISC_STATUS)));
|
502 |
result := p;
|
503 |
end;
|
504 |
begin
|
505 |
p := @FStatusVector;
|
506 |
result := '';
|
507 |
while (p^ <> 0) do
|
508 |
if (p^ = 3) then
|
509 |
begin
|
510 |
result := result + Format('%d %d %d', [p^, NextP(1)^, NextP(1)^]) + CRLF;
|
511 |
NextP(1);
|
512 |
end
|
513 |
else begin
|
514 |
result := result + Format('%d %d', [p^, NextP(1)^]) + CRLF;
|
515 |
NextP(1);
|
516 |
end;
|
517 |
end;
|
518 |
|
519 |
{ TResultBuffer }
|
520 |
|
521 |
constructor TResultBuffer.Create(aSize: integer);
|
522 |
begin
|
523 |
inherited Create;
|
524 |
mSize := aSize;
|
525 |
GetMem(mBuffer,aSize);
|
526 |
FillChar(mBuffer^,mSize,255);
|
527 |
end;
|
528 |
|
529 |
destructor TResultBuffer.Destroy;
|
530 |
begin
|
531 |
if mBuffer <> nil then FreeMem(mBuffer);
|
532 |
inherited;
|
533 |
end;
|
534 |
|
535 |
function TResultBuffer.buffer: PChar;
|
536 |
begin
|
537 |
Result := mBuffer;
|
538 |
end;
|
539 |
|
540 |
function TResultBuffer.FindToken(token: char): PChar;
|
541 |
var p: PChar;
|
542 |
len: integer;
|
543 |
begin
|
544 |
Result := nil;
|
545 |
p := mBuffer;
|
546 |
|
547 |
while p^ <> char(isc_info_end) do
|
548 |
begin
|
549 |
if p^ = token then
|
550 |
begin
|
551 |
Result := p;
|
552 |
Exit;
|
553 |
end;
|
554 |
len := isc_vax_integer(p+1,2);
|
555 |
Inc(p,len+3);
|
556 |
end;
|
557 |
end;
|
558 |
|
559 |
function TResultBuffer.FindToken(token: char; subtoken: char): PChar;
|
560 |
var p: PChar;
|
561 |
len, inlen: integer;
|
562 |
begin
|
563 |
Result := nil;
|
564 |
p := mBuffer;
|
565 |
|
566 |
while p^ <> char(isc_info_end) do
|
567 |
begin
|
568 |
if p^ = token then
|
569 |
begin
|
570 |
{Found token, now find subtoken}
|
571 |
inlen := isc_vax_integer(p+1, 2);
|
572 |
Inc(p,3);
|
573 |
while inlen > 0 do
|
574 |
begin
|
575 |
if p^ = subtoken then
|
576 |
begin
|
577 |
Result := p;
|
578 |
Exit;
|
579 |
end;
|
580 |
len := isc_vax_integer(p+1, 2);
|
581 |
Inc(p,len + 3);
|
582 |
Dec(inlen,len + 3);
|
583 |
end;
|
584 |
Exit;
|
585 |
end;
|
586 |
len := isc_vax_integer(p+1, 2);
|
587 |
inc(p,len+3);
|
588 |
end;
|
589 |
end;
|
590 |
|
591 |
function TResultBuffer.GetBool(token: char): boolean;
|
592 |
var aValue: integer;
|
593 |
p: PChar;
|
594 |
begin
|
595 |
p := FindToken(token);
|
596 |
|
597 |
if p = nil then
|
598 |
IBError(ibxeDscInfoTokenMissing,[token]);
|
599 |
|
600 |
aValue := isc_vax_integer(p+1, 4);
|
601 |
Result := aValue <> 0;
|
602 |
end;
|
603 |
|
604 |
function TResultBuffer.GetCountValue(token: char): integer;
|
605 |
var len: integer;
|
606 |
p: PChar;
|
607 |
begin
|
608 |
{Specifically used on tokens like isc_info_insert_count and the like
|
609 |
which return detailed counts per relation. We sum up the values.}
|
610 |
|
611 |
p := FindToken(token);
|
612 |
|
613 |
if p = nil then
|
614 |
IBError(ibxeDscInfoTokenMissing,[token]);
|
615 |
|
616 |
{len is the number of bytes in the following array}
|
617 |
|
618 |
len := isc_vax_integer(p+1, 2);
|
619 |
Inc(p,3);
|
620 |
Result := 0;
|
621 |
while len > 0 do
|
622 |
begin
|
623 |
{Each array item is 6 bytes : 2 bytes for the relation_id which
|
624 |
we skip, and 4 bytes for the count value which we sum up across
|
625 |
all tables.}
|
626 |
|
627 |
Inc(Result,isc_vax_integer(p+2, 4));
|
628 |
Inc(p,6);
|
629 |
Dec(len,6);
|
630 |
end;
|
631 |
end;
|
632 |
|
633 |
function TResultBuffer.GetString(token: char; var data: string): integer;
|
634 |
var p: PChar;
|
635 |
begin
|
636 |
Result := 0;
|
637 |
p := FindToken(token);
|
638 |
|
639 |
if p = nil then
|
640 |
IBError(ibxeDscInfoTokenMissing,[token]);
|
641 |
|
642 |
Result := isc_vax_integer(p+1, 2);
|
643 |
SetString(data,p+3,Result);
|
644 |
end;
|
645 |
|
646 |
function TResultBuffer.GetValue(token: char): integer;
|
647 |
var len: integer;
|
648 |
p: PChar;
|
649 |
begin
|
650 |
Result := 0;
|
651 |
p := FindToken(token);
|
652 |
|
653 |
if p = nil then
|
654 |
IBError(ibxeDscInfoTokenMissing,[token]);
|
655 |
|
656 |
len := isc_vax_integer(p+1, 2);
|
657 |
if (len <> 0) then
|
658 |
Result := isc_vax_integer(p+3, len);
|
659 |
end;
|
660 |
|
661 |
function TResultBuffer.GetValue(token: char; subtoken: char): integer;
|
662 |
var len: integer;
|
663 |
p: PChar;
|
664 |
begin
|
665 |
Result := 0;
|
666 |
p := FindToken(token, subtoken);
|
667 |
|
668 |
if p = nil then
|
669 |
IBError(ibxeDscInfoTokenMissing,[token]);
|
670 |
|
671 |
len := isc_vax_integer(p+1, 2);
|
672 |
if (len <> 0) then
|
673 |
Result := isc_vax_integer(p+3, len);
|
674 |
end;
|
675 |
|
676 |
function TResultBuffer.Size: short;
|
677 |
begin
|
678 |
Result := mSize;
|
679 |
end;
|
680 |
|
681 |
procedure TResultBuffer.Reset;
|
682 |
begin
|
683 |
if mBuffer <> nil then FreeMem(mBuffer);
|
684 |
GetMem(mBuffer,mSize);
|
685 |
FillChar(mBuffer^,mSize,255);
|
686 |
end;
|
687 |
|
688 |
|
689 |
{ EIBError }
|
690 |
constructor EIBError.Create(ASQLCode: Long; Msg: string);
|
691 |
begin
|
692 |
inherited Create(Msg);
|
693 |
FSQLCode := ASQLCode;
|
694 |
end;
|
695 |
|
696 |
constructor EIBError.Create(ASQLCode: Long; AIBErrorCode: Long; Msg: string);
|
697 |
begin
|
698 |
inherited Create(Msg);
|
699 |
FSQLCode := ASQLCode;
|
700 |
FIBErrorCode := AIBErrorCode;
|
701 |
end;
|
702 |
|
703 |
procedure SetIBDataBaseErrorMessages(Value: TIBDataBaseErrorMessages);
|
704 |
begin
|
705 |
EnterCriticalSection(IBCS);
|
706 |
try
|
707 |
IBDataBaseErrorMessages := Value;
|
708 |
finally
|
709 |
LeaveCriticalSection(IBCS);
|
710 |
end;
|
711 |
end;
|
712 |
|
713 |
function GetIBDataBaseErrorMessages: TIBDataBaseErrorMessages;
|
714 |
begin
|
715 |
EnterCriticalSection(IBCS);
|
716 |
try
|
717 |
result := IBDataBaseErrorMessages;
|
718 |
finally
|
719 |
LeaveCriticalSection(IBCS);
|
720 |
end;
|
721 |
end;
|
722 |
|
723 |
initialization
|
724 |
// IsMultiThread := True;
|
725 |
InitCriticalSection(IBCS);
|
726 |
IBDataBaseErrorMessages := [ShowSQLMessage, ShowIBMessage];
|
727 |
|
728 |
finalization
|
729 |
DoneCriticalSection(IBCS);
|
730 |
|
731 |
end.
|