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(*
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* Firebird Interface (fbintf). The fbintf components provide a set of
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* Pascal language bindings for the Firebird API. Although predominantly
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* a new development they include source code taken from IBX and may be
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* considered a derived product. This software thus also includes the copyright
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* notice and license conditions from IBX.
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*
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* Except for those parts dervied from IBX, contents of this file are subject
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* to the Initial Developer's Public License Version 1.0 (the "License"); you
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* may not use this file except in compliance with the License. You may obtain a
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* copy of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2016 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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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 - 2015 }
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{ }
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{************************************************************************}
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unit FB25ClientAPI;
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{$IFDEF MSWINDOWS}
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{$DEFINE WINDOWS}
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{$ENDIF}
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{$IFDEF FPC}
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{$mode delphi}
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{$interfaces COM}
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{$ENDIF}
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interface
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uses
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Classes, SysUtils, FBClientAPI, IBHeader, IBExternals, IB;
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const
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FBClientInterfaceVersion = '2.5';
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type
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{ TFB25Status }
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TFB25Status = class(TFBStatus,IStatus)
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public
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function StatusVector: PStatusVector; override;
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end;
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{ TFB25ClientAPI }
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TFB25ClientAPI = class(TFBClientAPI,IFirebirdAPI)
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private
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FIBServiceAPIPresent: boolean;
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FStatus: TFB25Status;
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FStatusIntf: IStatus; {Keep a reference to the interface - automatic destroy
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when this class is freed and last reference to IStatus
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goes out of scope.}
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protected
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{$IFDEF UNIX}
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function GetFirebirdLibList: string; override;
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{$ENDIF}
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procedure LoadInterface; override;
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public
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constructor Create;
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destructor Destroy; override;
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function StatusVector: PISC_STATUS;
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property IBServiceAPIPresent: boolean read FIBServiceAPIPresent;
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property Status: TFB25Status read FStatus;
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public
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{fbclient API}
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BLOB_get: TBLOB_get;
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BLOB_put: TBLOB_put;
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isc_wait_for_event: Tisc_wait_for_event;
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isc_vax_integer: Tisc_vax_integer;
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isc_portable_integer: Tisc_portable_integer;
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isc_blob_info: Tisc_blob_info;
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isc_blob_lookup_desc: Tisc_blob_lookup_desc;
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isc_open_blob2: Tisc_open_blob2;
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isc_close_blob: Tisc_close_blob;
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isc_get_segment: Tisc_get_segment;
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isc_put_segment: Tisc_put_segment;
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isc_create_blob2: Tisc_create_blob2;
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isc_cancel_blob: Tisc_cancel_blob;
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isc_service_attach: Tisc_service_attach;
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isc_service_detach: Tisc_service_detach;
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isc_service_query: Tisc_service_query;
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isc_service_start: Tisc_service_start;
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isc_decode_date: Tisc_decode_date;
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isc_decode_sql_date: Tisc_decode_sql_date;
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isc_decode_sql_time: Tisc_decode_sql_time;
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isc_decode_timestamp: Tisc_decode_timestamp;
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isc_encode_date: Tisc_encode_date;
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isc_encode_sql_date: Tisc_encode_sql_date;
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isc_encode_sql_time: Tisc_encode_sql_time;
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isc_encode_timestamp: Tisc_encode_timestamp;
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isc_dsql_free_statement: Tisc_dsql_free_statement;
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isc_dsql_execute2: Tisc_dsql_execute2;
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isc_dsql_execute: Tisc_dsql_execute;
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isc_dsql_set_cursor_name: Tisc_dsql_set_cursor_name;
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isc_dsql_fetch: Tisc_dsql_fetch;
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isc_dsql_sql_info: Tisc_dsql_sql_info;
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isc_dsql_alloc_statement2: Tisc_dsql_alloc_statement2;
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isc_dsql_prepare: Tisc_dsql_prepare;
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isc_dsql_describe_bind: Tisc_dsql_describe_bind;
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isc_dsql_describe: Tisc_dsql_describe;
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isc_dsql_execute_immediate: Tisc_dsql_execute_immediate;
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isc_drop_database: Tisc_drop_database;
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isc_detach_database: Tisc_detach_database;
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isc_attach_database: Tisc_attach_database;
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isc_database_info: Tisc_database_info;
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isc_start_transaction: Tisc_start_transaction;
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isc_start_multiple: Tisc_start_multiple;
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isc_commit_transaction: Tisc_commit_transaction;
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isc_commit_retaining: Tisc_commit_retaining;
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isc_rollback_transaction: Tisc_rollback_transaction;
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isc_rollback_retaining: Tisc_rollback_retaining;
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isc_cancel_events: Tisc_cancel_events;
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isc_que_events: Tisc_que_events;
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isc_add_user : Tisc_add_user;
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isc_delete_user: Tisc_delete_user;
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isc_modify_user: Tisc_modify_user;
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isc_array_lookup_bounds: Tisc_array_lookup_bounds;
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isc_array_get_slice: Tisc_array_get_slice;
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isc_array_put_slice: Tisc_array_put_slice;
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isc_prepare_transaction: Tisc_prepare_transaction;
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public
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{Helper Functions}
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function DecodeInteger(bufptr: PByte; len: short): integer; override;
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procedure SQLEncodeDate(aDate: TDateTime; bufptr: PByte); override;
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function SQLDecodeDate(bufptr: PByte): TDateTime; override;
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procedure SQLEncodeTime(aTime: TDateTime; bufptr: PByte); override;
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function SQLDecodeTime(bufptr: PByte): TDateTime; override;
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procedure SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PByte); override;
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function SQLDecodeDateTime(bufptr: PByte): TDateTime; override;
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public
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{IFirebirdAPI}
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{Database connections}
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function AllocateDPB: IDPB;
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function OpenDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
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function CreateDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment; overload;
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function CreateDatabase(sql: AnsiString; aSQLDialect: integer; RaiseExceptionOnError: boolean=true): IAttachment; overload;
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{Start Transaction against multiple databases}
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function AllocateTPB: ITPB;
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function StartTransaction(Attachments: array of IAttachment;
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TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload;
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function StartTransaction(Attachments: array of IAttachment;
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TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload;
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{Service Manager}
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function AllocateSPB: ISPB;
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function HasServiceAPI: boolean;
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function GetServiceManager(ServerName: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager;
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{Information}
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function GetStatus: IStatus; override;
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function HasRollbackRetaining: boolean;
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function IsEmbeddedServer: boolean; override;
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function GetImplementationVersion: AnsiString;
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{Firebird 3 API}
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function HasMasterIntf: boolean;
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function GetIMaster: TObject;
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end;
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var
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Firebird25ClientAPI: TFB25ClientAPI = nil;
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implementation
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uses FBMessages,
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{$IFDEF WINDOWS}Windows, {$ENDIF}
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{$IFDEF FPC} Dynlibs, {$ENDIF}
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FB25Attachment, FB25Transaction, FB25Services, FBParamBlock,
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IBUtils;
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{ Stubs for 6.0 only functions }
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function isc_rollback_retaining_stub(status_vector : PISC_STATUS;
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tran_handle : PISC_TR_HANDLE):
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_rollback_retaining']); {do not localize}
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end;
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function isc_service_attach_stub(status_vector : PISC_STATUS;
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isc_arg2 : UShort;
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isc_arg3 : PAnsiChar;
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service_handle : PISC_SVC_HANDLE;
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isc_arg5 : UShort;
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isc_arg6 : PAnsiChar):
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_service_attach']); {do not localize}
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end;
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function isc_service_detach_stub(status_vector : PISC_STATUS;
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service_handle : PISC_SVC_HANDLE):
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_service_detach']); {do not localize}
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end;
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function isc_service_query_stub(status_vector : PISC_STATUS;
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service_handle : PISC_SVC_HANDLE;
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recv_handle : PISC_SVC_HANDLE;
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isc_arg4 : UShort;
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isc_arg5 : PAnsiChar;
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isc_arg6 : UShort;
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isc_arg7 : PAnsiChar;
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isc_arg8 : UShort;
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isc_arg9 : PAnsiChar):
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_service_query']); {do not localize}
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end;
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function isc_service_start_stub(status_vector : PISC_STATUS;
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service_handle : PISC_SVC_HANDLE;
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recv_handle : PISC_SVC_HANDLE;
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isc_arg4 : UShort;
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isc_arg5 : PAnsiChar):
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ISC_STATUS; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_service_start']); {do not localize}
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end;
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procedure isc_encode_sql_date_stub(tm_date : PCTimeStructure;
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ib_date : PISC_DATE);
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_encode_sql_date']); {do not localize}
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end;
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procedure isc_encode_sql_time_stub(tm_date : PCTimeStructure;
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ib_time : PISC_TIME);
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_encode_sql_time']); {do not localize}
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end;
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procedure isc_encode_timestamp_stub(tm_date : PCTimeStructure;
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ib_timestamp : PISC_TIMESTAMP);
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_encode_sql_timestamp']); {do not localize}
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end;
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procedure isc_decode_sql_date_stub(ib_date : PISC_DATE;
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tm_date : PCTimeStructure);
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_decode_sql_date']); {do not localize}
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end;
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procedure isc_decode_sql_time_stub(ib_time : PISC_TIME;
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tm_date : PCTimeStructure);
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_decode_sql_time']); {do not localize}
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end;
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procedure isc_decode_timestamp_stub(ib_timestamp : PISC_TIMESTAMP;
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tm_date : PCTimeStructure);
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_decode_timestamp']); {do not localize}
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end;
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{ TFB25Status }
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|
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threadvar
|
| 323 |
FStatusVector: TStatusVector;
|
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|
| 325 |
function TFB25Status.StatusVector: PStatusVector;
|
| 326 |
begin
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| 327 |
Result := @FStatusVector;
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end;
|
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|
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|
| 331 |
{ TFB25ClientAPI }
|
| 332 |
|
| 333 |
{$IFDEF UNIX}
|
| 334 |
function TFB25ClientAPI.GetFirebirdLibList: string;
|
| 335 |
begin
|
| 336 |
Result := 'libfbembed.so:libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so:libfbclient.so.2';
|
| 337 |
end;
|
| 338 |
{$ENDIF}
|
| 339 |
|
| 340 |
procedure TFB25ClientAPI.LoadInterface;
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begin
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| 342 |
inherited LoadInterface;
|
| 343 |
BLOB_get := GetProcAddr('BLOB_get'); {do not localize}
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| 344 |
BLOB_put := GetProcAddr('BLOB_put'); {do not localize}
|
| 345 |
isc_wait_for_event := GetProcAddr('isc_wait_for_event'); {do not localize}
|
| 346 |
isc_vax_integer := GetProcAddr('isc_vax_integer'); {do not localize}
|
| 347 |
isc_portable_integer := GetProcAddr('isc_portable_integer'); {do not localize}
|
| 348 |
isc_blob_info := GetProcAddr('isc_blob_info'); {do not localize}
|
| 349 |
isc_blob_lookup_desc := GetProcAddr('isc_blob_lookup_desc'); {do not localize}
|
| 350 |
isc_open_blob2 := GetProcAddr('isc_open_blob2'); {do not localize}
|
| 351 |
isc_close_blob := GetProcAddr('isc_close_blob'); {do not localize}
|
| 352 |
isc_get_segment := GetProcAddr('isc_get_segment'); {do not localize}
|
| 353 |
isc_put_segment := GetProcAddr('isc_put_segment'); {do not localize}
|
| 354 |
isc_create_blob2 := GetProcAddr('isc_create_blob2'); {do not localize}
|
| 355 |
isc_cancel_blob := GetProcAddr('isc_cancel_blob'); {do not localize}
|
| 356 |
isc_decode_date := GetProcAddr('isc_decode_date'); {do not localize}
|
| 357 |
isc_encode_date := GetProcAddr('isc_encode_date'); {do not localize}
|
| 358 |
isc_dsql_free_statement := GetProcAddr('isc_dsql_free_statement'); {do not localize}
|
| 359 |
isc_dsql_execute2 := GetProcAddr('isc_dsql_execute2'); {do not localize}
|
| 360 |
isc_dsql_execute := GetProcAddr('isc_dsql_execute'); {do not localize}
|
| 361 |
isc_dsql_set_cursor_name := GetProcAddr('isc_dsql_set_cursor_name'); {do not localize}
|
| 362 |
isc_dsql_fetch := GetProcAddr('isc_dsql_fetch'); {do not localize}
|
| 363 |
isc_dsql_sql_info := GetProcAddr('isc_dsql_sql_info'); {do not localize}
|
| 364 |
isc_dsql_alloc_statement2 := GetProcAddr('isc_dsql_alloc_statement2'); {do not localize}
|
| 365 |
isc_dsql_prepare := GetProcAddr('isc_dsql_prepare'); {do not localize}
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| 366 |
isc_dsql_describe_bind := GetProcAddr('isc_dsql_describe_bind'); {do not localize}
|
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isc_dsql_describe := GetProcAddr('isc_dsql_describe'); {do not localize}
|
| 368 |
isc_dsql_execute_immediate := GetProcAddr('isc_dsql_execute_immediate'); {do not localize}
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isc_drop_database := GetProcAddr('isc_drop_database'); {do not localize}
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isc_detach_database := GetProcAddr('isc_detach_database'); {do not localize}
|
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isc_attach_database := GetProcAddr('isc_attach_database'); {do not localize}
|
| 372 |
isc_database_info := GetProcAddr('isc_database_info'); {do not localize}
|
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isc_start_transaction := GetProcAddr('isc_start_transaction'); {do not localize}
|
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isc_start_multiple := GetProcAddr('isc_start_multiple'); {do not localize}
|
| 375 |
isc_commit_transaction := GetProcAddr('isc_commit_transaction'); {do not localize}
|
| 376 |
isc_commit_retaining := GetProcAddr('isc_commit_retaining'); {do not localize}
|
| 377 |
isc_rollback_transaction := GetProcAddr('isc_rollback_transaction'); {do not localize}
|
| 378 |
isc_cancel_events := GetProcAddr('isc_cancel_events'); {do not localize}
|
| 379 |
isc_que_events := GetProcAddr('isc_que_events'); {do not localize}
|
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isc_add_user := GetProcAddr('isc_add_user'); {do not localize}
|
| 381 |
isc_delete_user := GetProcAddr('isc_delete_user'); {do not localize}
|
| 382 |
isc_modify_user := GetProcAddr('isc_modify_user'); {do not localize}
|
| 383 |
isc_array_lookup_bounds := GetProcAddr('isc_array_lookup_bounds'); {do not localize}
|
| 384 |
isc_array_get_slice := GetProcAddr('isc_array_get_slice'); {do not localize}
|
| 385 |
isc_array_put_slice := GetProcAddr('isc_array_put_slice'); {do not localize}
|
| 386 |
isc_prepare_transaction := GetProcAddr('isc_prepare_transaction'); {do not localize}
|
| 387 |
|
| 388 |
FIBServiceAPIPresent := true;
|
| 389 |
isc_rollback_retaining := GetProcAddress(IBLibrary, 'isc_rollback_retaining'); {do not localize}
|
| 390 |
if Assigned(isc_rollback_retaining) then
|
| 391 |
begin
|
| 392 |
isc_service_attach := GetProcAddr('isc_service_attach'); {do not localize}
|
| 393 |
isc_service_detach := GetProcAddr('isc_service_detach'); {do not localize}
|
| 394 |
isc_service_query := GetProcAddr('isc_service_query'); {do not localize}
|
| 395 |
isc_service_start := GetProcAddr('isc_service_start'); {do not localize}
|
| 396 |
isc_decode_sql_date := GetProcAddr('isc_decode_sql_date'); {do not localize}
|
| 397 |
isc_decode_sql_time := GetProcAddr('isc_decode_sql_time'); {do not localize}
|
| 398 |
isc_decode_timestamp := GetProcAddr('isc_decode_timestamp'); {do not localize}
|
| 399 |
isc_encode_sql_date := GetProcAddr('isc_encode_sql_date'); {do not localize}
|
| 400 |
isc_encode_sql_time := GetProcAddr('isc_encode_sql_time'); {do not localize}
|
| 401 |
isc_encode_timestamp := GetProcAddr('isc_encode_timestamp'); {do not localize}
|
| 402 |
end else
|
| 403 |
begin
|
| 404 |
FIBServiceAPIPresent := false;
|
| 405 |
isc_rollback_retaining := @isc_rollback_retaining_stub;
|
| 406 |
isc_service_attach := @isc_service_attach_stub;
|
| 407 |
isc_service_detach := @isc_service_detach_stub;
|
| 408 |
isc_service_query := @isc_service_query_stub;
|
| 409 |
isc_service_start := @isc_service_start_stub;
|
| 410 |
isc_decode_sql_date := @isc_decode_sql_date_stub;
|
| 411 |
isc_decode_sql_time := @isc_decode_sql_time_stub;
|
| 412 |
isc_decode_timestamp := @isc_decode_timestamp_stub;
|
| 413 |
isc_encode_sql_date := @isc_encode_sql_date_stub;
|
| 414 |
isc_encode_sql_time := @isc_encode_sql_time_stub;
|
| 415 |
isc_encode_timestamp := @isc_encode_timestamp_stub;
|
| 416 |
end;
|
| 417 |
end;
|
| 418 |
|
| 419 |
constructor TFB25ClientAPI.Create;
|
| 420 |
begin
|
| 421 |
inherited;
|
| 422 |
FStatus := TFB25Status.Create(self);
|
| 423 |
FStatusIntf := FStatus;
|
| 424 |
Firebird25ClientAPI := self;
|
| 425 |
end;
|
| 426 |
|
| 427 |
destructor TFB25ClientAPI.Destroy;
|
| 428 |
begin
|
| 429 |
FStatusIntf := nil;
|
| 430 |
Firebird25ClientAPI := nil;
|
| 431 |
inherited Destroy;
|
| 432 |
end;
|
| 433 |
|
| 434 |
|
| 435 |
function TFB25ClientAPI.StatusVector: PISC_STATUS;
|
| 436 |
begin
|
| 437 |
Result := PISC_STATUS(FStatus.StatusVector);
|
| 438 |
end;
|
| 439 |
|
| 440 |
function TFB25ClientAPI.GetStatus: IStatus;
|
| 441 |
begin
|
| 442 |
Result := FStatus;
|
| 443 |
end;
|
| 444 |
|
| 445 |
function TFB25ClientAPI.AllocateDPB: IDPB;
|
| 446 |
begin
|
| 447 |
Result := TDPB.Create;
|
| 448 |
end;
|
| 449 |
|
| 450 |
function TFB25ClientAPI.OpenDatabase(DatabaseName: AnsiString; DPB: IDPB;
|
| 451 |
RaiseExceptionOnConnectError: boolean): IAttachment;
|
| 452 |
begin
|
| 453 |
Result := TFB25Attachment.Create(DatabaseName,DPB,RaiseExceptionOnConnectError);
|
| 454 |
if not Result.IsConnected then
|
| 455 |
Result := nil;
|
| 456 |
end;
|
| 457 |
|
| 458 |
function TFB25ClientAPI.CreateDatabase(DatabaseName: AnsiString; DPB: IDPB;
|
| 459 |
RaiseExceptionOnError: boolean): IAttachment;
|
| 460 |
begin
|
| 461 |
Result := TFB25Attachment.CreateDatabase(DatabaseName, DPB, RaiseExceptionOnError );
|
| 462 |
if (Result <> nil) and not Result.IsConnected then
|
| 463 |
Result := nil;
|
| 464 |
end;
|
| 465 |
|
| 466 |
function TFB25ClientAPI.CreateDatabase(sql: AnsiString; aSQLDialect: integer;
|
| 467 |
RaiseExceptionOnError: boolean): IAttachment;
|
| 468 |
begin
|
| 469 |
Result := TFB25Attachment.CreateDatabase(sql,aSQLDialect, RaiseExceptionOnError );
|
| 470 |
if (Result <> nil) and not Result.IsConnected then
|
| 471 |
Result := nil;
|
| 472 |
end;
|
| 473 |
|
| 474 |
function TFB25ClientAPI.AllocateSPB: ISPB;
|
| 475 |
begin
|
| 476 |
Result := TSPB.Create;
|
| 477 |
end;
|
| 478 |
|
| 479 |
function TFB25ClientAPI.AllocateTPB: ITPB;
|
| 480 |
begin
|
| 481 |
Result := TTPB.Create;
|
| 482 |
end;
|
| 483 |
|
| 484 |
function TFB25ClientAPI.GetServiceManager(ServerName: AnsiString;
|
| 485 |
Protocol: TProtocol; SPB: ISPB): IServiceManager;
|
| 486 |
begin
|
| 487 |
if HasServiceAPI then
|
| 488 |
Result := TFB25ServiceManager.Create(ServerName,Protocol,SPB)
|
| 489 |
else
|
| 490 |
Result := nil;
|
| 491 |
end;
|
| 492 |
|
| 493 |
function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment;
|
| 494 |
TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction;
|
| 495 |
begin
|
| 496 |
Result := TFB25Transaction.Create(Attachments,TPB,DefaultCompletion);
|
| 497 |
end;
|
| 498 |
|
| 499 |
function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment;
|
| 500 |
TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction;
|
| 501 |
begin
|
| 502 |
Result := TFB25Transaction.Create(Attachments,TPB,DefaultCompletion);
|
| 503 |
end;
|
| 504 |
|
| 505 |
function TFB25ClientAPI.HasServiceAPI: boolean;
|
| 506 |
begin
|
| 507 |
Result := IBServiceAPIPresent;
|
| 508 |
end;
|
| 509 |
|
| 510 |
function TFB25ClientAPI.HasRollbackRetaining: boolean;
|
| 511 |
begin
|
| 512 |
Result := assigned(isc_rollback_retaining);
|
| 513 |
end;
|
| 514 |
|
| 515 |
function TFB25ClientAPI.IsEmbeddedServer: boolean;
|
| 516 |
begin
|
| 517 |
Result := false;
|
| 518 |
{$IFDEF UNIX}
|
| 519 |
Result := Pos('libfbembed',FFBLibraryName) = 1;
|
| 520 |
{$ENDIF}
|
| 521 |
{$IFDEF WINDOWS}
|
| 522 |
Result := CompareText(FFBLibraryName,FIREBIRD_EMBEDDED) = 0;
|
| 523 |
{$ENDIF}
|
| 524 |
end;
|
| 525 |
|
| 526 |
function TFB25ClientAPI.HasMasterIntf: boolean;
|
| 527 |
begin
|
| 528 |
Result := false;
|
| 529 |
end;
|
| 530 |
|
| 531 |
function TFB25ClientAPI.GetIMaster: TObject;
|
| 532 |
begin
|
| 533 |
Result := nil;
|
| 534 |
end;
|
| 535 |
|
| 536 |
function TFB25ClientAPI.GetImplementationVersion: AnsiString;
|
| 537 |
begin
|
| 538 |
Result := FBClientInterfaceVersion;
|
| 539 |
end;
|
| 540 |
|
| 541 |
function TFB25ClientAPI.DecodeInteger(bufptr: PByte; len: short): integer;
|
| 542 |
begin
|
| 543 |
Result := isc_portable_integer(bufptr,len);
|
| 544 |
end;
|
| 545 |
|
| 546 |
procedure TFB25ClientAPI.SQLEncodeDate(aDate: TDateTime; bufptr: PByte);
|
| 547 |
var
|
| 548 |
tm_date: TCTimeStructure;
|
| 549 |
Yr, Mn, Dy: Word;
|
| 550 |
begin
|
| 551 |
DecodeDate(aDate, Yr, Mn, Dy);
|
| 552 |
with tm_date do begin
|
| 553 |
tm_sec := 0;
|
| 554 |
tm_min := 0;
|
| 555 |
tm_hour := 0;
|
| 556 |
tm_mday := Dy;
|
| 557 |
tm_mon := Mn - 1;
|
| 558 |
tm_year := Yr - 1900;
|
| 559 |
end;
|
| 560 |
isc_encode_sql_date(@tm_date, PISC_DATE(bufptr));
|
| 561 |
end;
|
| 562 |
|
| 563 |
function TFB25ClientAPI.SQLDecodeDate(bufptr: PByte): TDateTime;
|
| 564 |
var
|
| 565 |
tm_date: TCTimeStructure;
|
| 566 |
begin
|
| 567 |
isc_decode_sql_date(PISC_DATE(bufptr), @tm_date);
|
| 568 |
try
|
| 569 |
result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1),
|
| 570 |
Word(tm_date.tm_mday));
|
| 571 |
except
|
| 572 |
on E: EConvertError do begin
|
| 573 |
IBError(ibxeInvalidDataConversion, [nil]);
|
| 574 |
end;
|
| 575 |
end;
|
| 576 |
end;
|
| 577 |
|
| 578 |
procedure TFB25ClientAPI.SQLEncodeTime(aTime: TDateTime; bufptr: PByte);
|
| 579 |
var
|
| 580 |
tm_date: TCTimeStructure;
|
| 581 |
Hr, Mt, S, Ms: Word;
|
| 582 |
begin
|
| 583 |
DecodeTime(aTime, Hr, Mt, S, Ms);
|
| 584 |
with tm_date do begin
|
| 585 |
tm_sec := S;
|
| 586 |
tm_min := Mt;
|
| 587 |
tm_hour := Hr;
|
| 588 |
tm_mday := 0;
|
| 589 |
tm_mon := 0;
|
| 590 |
tm_year := 0;
|
| 591 |
end;
|
| 592 |
with Firebird25ClientAPI do
|
| 593 |
isc_encode_sql_time(@tm_date, PISC_TIME(bufptr));
|
| 594 |
if Ms > 0 then
|
| 595 |
Inc(PISC_TIME(bufptr)^,Ms*10);
|
| 596 |
end;
|
| 597 |
|
| 598 |
function TFB25ClientAPI.SQLDecodeTime(bufptr: PByte): TDateTime;
|
| 599 |
var
|
| 600 |
tm_date: TCTimeStructure;
|
| 601 |
msecs: Word;
|
| 602 |
begin
|
| 603 |
isc_decode_sql_time(PISC_TIME(bufptr), @tm_date);
|
| 604 |
try
|
| 605 |
msecs := (PISC_TIME(bufptr)^ mod 10000) div 10;
|
| 606 |
result := EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
|
| 607 |
Word(tm_date.tm_sec), msecs)
|
| 608 |
except
|
| 609 |
on E: EConvertError do begin
|
| 610 |
IBError(ibxeInvalidDataConversion, [nil]);
|
| 611 |
end;
|
| 612 |
end;
|
| 613 |
end;
|
| 614 |
|
| 615 |
procedure TFB25ClientAPI.SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PByte);
|
| 616 |
var
|
| 617 |
tm_date: TCTimeStructure;
|
| 618 |
Yr, Mn, Dy, Hr, Mt, S, Ms: Word;
|
| 619 |
begin
|
| 620 |
DecodeDate(aDateTime, Yr, Mn, Dy);
|
| 621 |
DecodeTime(aDateTime, Hr, Mt, S, Ms);
|
| 622 |
with tm_date do begin
|
| 623 |
tm_sec := S;
|
| 624 |
tm_min := Mt;
|
| 625 |
tm_hour := Hr;
|
| 626 |
tm_mday := Dy;
|
| 627 |
tm_mon := Mn - 1;
|
| 628 |
tm_year := Yr - 1900;
|
| 629 |
end;
|
| 630 |
isc_encode_date(@tm_date, PISC_QUAD(bufptr));
|
| 631 |
if Ms > 0 then
|
| 632 |
Inc(PISC_TIMESTAMP(bufptr)^.timestamp_time,Ms*10);
|
| 633 |
end;
|
| 634 |
|
| 635 |
function TFB25ClientAPI.SQLDecodeDateTime(bufptr: PByte): TDateTime;
|
| 636 |
var
|
| 637 |
tm_date: TCTimeStructure;
|
| 638 |
msecs: Word;
|
| 639 |
begin
|
| 640 |
isc_decode_date(PISC_QUAD(bufptr), @tm_date);
|
| 641 |
try
|
| 642 |
result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1),
|
| 643 |
Word(tm_date.tm_mday));
|
| 644 |
msecs := (PISC_TIMESTAMP(bufptr)^.timestamp_time mod 10000) div 10;
|
| 645 |
if result >= 0 then
|
| 646 |
result := result + EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
|
| 647 |
Word(tm_date.tm_sec), msecs)
|
| 648 |
else
|
| 649 |
result := result - EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
|
| 650 |
Word(tm_date.tm_sec), msecs)
|
| 651 |
except
|
| 652 |
on E: EConvertError do begin
|
| 653 |
IBError(ibxeInvalidDataConversion, [nil]);
|
| 654 |
end;
|
| 655 |
end;
|
| 656 |
end;
|
| 657 |
|
| 658 |
end.
|
| 659 |
|
| 660 |
|
