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tony |
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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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{$IFDEF FPC}
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{$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: PChar; len: short): integer; override;
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procedure SQLEncodeDate(aDate: TDateTime; bufptr: PChar); override;
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function SQLDecodeDate(bufptr: PChar): TDateTime; override;
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procedure SQLEncodeTime(aTime: TDateTime; bufptr: PChar); override;
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function SQLDecodeTime(bufptr: PChar): TDateTime; override;
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procedure SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PChar); override;
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function SQLDecodeDateTime(bufptr: PChar): 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: string; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
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function CreateDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment;
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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: string; 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: string;
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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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const
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Firebird25ClientAPI: TFB25ClientAPI = nil;
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implementation
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uses FBMessages, dynlibs, 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; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_rollback_retaining']); {do not localize}
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end;
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function isc_service_attach_stub(status_vector : PISC_STATUS;
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isc_arg2 : UShort;
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isc_arg3 : PChar;
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service_handle : PISC_SVC_HANDLE;
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isc_arg5 : UShort;
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isc_arg6 : PChar):
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ISC_STATUS; {$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; {$ENDIF}
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begin
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Result := 0;
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IBError(ibxeIB60feature, ['isc_service_detach']); {do not localize}
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end;
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function isc_service_query_stub(status_vector : PISC_STATUS;
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service_handle : PISC_SVC_HANDLE;
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recv_handle : PISC_SVC_HANDLE;
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isc_arg4 : UShort;
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isc_arg5 : PChar;
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isc_arg6 : UShort;
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isc_arg7 : PChar;
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isc_arg8 : UShort;
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isc_arg9 : PChar):
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ISC_STATUS; {$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 : PChar):
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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; {$ENDIF}
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begin
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IBError(ibxeIB60feature, ['isc_decode_timestamp']); {do not localize}
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end;
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{ TFB25Status }
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threadvar
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FStatusVector: TStatusVector;
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function TFB25Status.StatusVector: PStatusVector;
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begin
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Result := @FStatusVector;
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end;
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{ TFB25ClientAPI }
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{$IFDEF UNIX}
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|
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function TFB25ClientAPI.GetFirebirdLibList: string;
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begin
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Result := 'libfbembed.so:libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so:libfbclient.so.2';
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end;
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{$ENDIF}
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|
|
procedure TFB25ClientAPI.LoadInterface;
|
334 |
|
|
begin
|
335 |
|
|
inherited LoadInterface;
|
336 |
|
|
BLOB_get := GetProcAddr('BLOB_get'); {do not localize}
|
337 |
|
|
BLOB_put := GetProcAddr('BLOB_put'); {do not localize}
|
338 |
|
|
isc_wait_for_event := GetProcAddr('isc_wait_for_event'); {do not localize}
|
339 |
|
|
isc_vax_integer := GetProcAddr('isc_vax_integer'); {do not localize}
|
340 |
|
|
isc_portable_integer := GetProcAddr('isc_portable_integer'); {do not localize}
|
341 |
|
|
isc_blob_info := GetProcAddr('isc_blob_info'); {do not localize}
|
342 |
|
|
isc_blob_lookup_desc := GetProcAddr('isc_blob_lookup_desc'); {do not localize}
|
343 |
|
|
isc_open_blob2 := GetProcAddr('isc_open_blob2'); {do not localize}
|
344 |
|
|
isc_close_blob := GetProcAddr('isc_close_blob'); {do not localize}
|
345 |
|
|
isc_get_segment := GetProcAddr('isc_get_segment'); {do not localize}
|
346 |
|
|
isc_put_segment := GetProcAddr('isc_put_segment'); {do not localize}
|
347 |
|
|
isc_create_blob2 := GetProcAddr('isc_create_blob2'); {do not localize}
|
348 |
|
|
isc_cancel_blob := GetProcAddr('isc_cancel_blob'); {do not localize}
|
349 |
|
|
isc_decode_date := GetProcAddr('isc_decode_date'); {do not localize}
|
350 |
|
|
isc_encode_date := GetProcAddr('isc_encode_date'); {do not localize}
|
351 |
|
|
isc_dsql_free_statement := GetProcAddr('isc_dsql_free_statement'); {do not localize}
|
352 |
|
|
isc_dsql_execute2 := GetProcAddr('isc_dsql_execute2'); {do not localize}
|
353 |
|
|
isc_dsql_execute := GetProcAddr('isc_dsql_execute'); {do not localize}
|
354 |
|
|
isc_dsql_set_cursor_name := GetProcAddr('isc_dsql_set_cursor_name'); {do not localize}
|
355 |
|
|
isc_dsql_fetch := GetProcAddr('isc_dsql_fetch'); {do not localize}
|
356 |
|
|
isc_dsql_sql_info := GetProcAddr('isc_dsql_sql_info'); {do not localize}
|
357 |
|
|
isc_dsql_alloc_statement2 := GetProcAddr('isc_dsql_alloc_statement2'); {do not localize}
|
358 |
|
|
isc_dsql_prepare := GetProcAddr('isc_dsql_prepare'); {do not localize}
|
359 |
|
|
isc_dsql_describe_bind := GetProcAddr('isc_dsql_describe_bind'); {do not localize}
|
360 |
|
|
isc_dsql_describe := GetProcAddr('isc_dsql_describe'); {do not localize}
|
361 |
|
|
isc_dsql_execute_immediate := GetProcAddr('isc_dsql_execute_immediate'); {do not localize}
|
362 |
|
|
isc_drop_database := GetProcAddr('isc_drop_database'); {do not localize}
|
363 |
|
|
isc_detach_database := GetProcAddr('isc_detach_database'); {do not localize}
|
364 |
|
|
isc_attach_database := GetProcAddr('isc_attach_database'); {do not localize}
|
365 |
|
|
isc_database_info := GetProcAddr('isc_database_info'); {do not localize}
|
366 |
|
|
isc_start_transaction := GetProcAddr('isc_start_transaction'); {do not localize}
|
367 |
|
|
isc_start_multiple := GetProcAddr('isc_start_multiple'); {do not localize}
|
368 |
|
|
isc_commit_transaction := GetProcAddr('isc_commit_transaction'); {do not localize}
|
369 |
|
|
isc_commit_retaining := GetProcAddr('isc_commit_retaining'); {do not localize}
|
370 |
|
|
isc_rollback_transaction := GetProcAddr('isc_rollback_transaction'); {do not localize}
|
371 |
|
|
isc_cancel_events := GetProcAddr('isc_cancel_events'); {do not localize}
|
372 |
|
|
isc_que_events := GetProcAddr('isc_que_events'); {do not localize}
|
373 |
|
|
isc_add_user := GetProcAddr('isc_add_user'); {do not localize}
|
374 |
|
|
isc_delete_user := GetProcAddr('isc_delete_user'); {do not localize}
|
375 |
|
|
isc_modify_user := GetProcAddr('isc_modify_user'); {do not localize}
|
376 |
|
|
isc_array_lookup_bounds := GetProcAddr('isc_array_lookup_bounds'); {do not localize}
|
377 |
|
|
isc_array_get_slice := GetProcAddr('isc_array_get_slice'); {do not localize}
|
378 |
|
|
isc_array_put_slice := GetProcAddr('isc_array_put_slice'); {do not localize}
|
379 |
|
|
isc_prepare_transaction := GetProcAddr('isc_prepare_transaction'); {do not localize}
|
380 |
|
|
|
381 |
|
|
FIBServiceAPIPresent := true;
|
382 |
|
|
isc_rollback_retaining := GetProcAddress(IBLibrary, 'isc_rollback_retaining'); {do not localize}
|
383 |
|
|
if Assigned(isc_rollback_retaining) then
|
384 |
|
|
begin
|
385 |
|
|
isc_service_attach := GetProcAddr('isc_service_attach'); {do not localize}
|
386 |
|
|
isc_service_detach := GetProcAddr('isc_service_detach'); {do not localize}
|
387 |
|
|
isc_service_query := GetProcAddr('isc_service_query'); {do not localize}
|
388 |
|
|
isc_service_start := GetProcAddr('isc_service_start'); {do not localize}
|
389 |
|
|
isc_decode_sql_date := GetProcAddr('isc_decode_sql_date'); {do not localize}
|
390 |
|
|
isc_decode_sql_time := GetProcAddr('isc_decode_sql_time'); {do not localize}
|
391 |
|
|
isc_decode_timestamp := GetProcAddr('isc_decode_timestamp'); {do not localize}
|
392 |
|
|
isc_encode_sql_date := GetProcAddr('isc_encode_sql_date'); {do not localize}
|
393 |
|
|
isc_encode_sql_time := GetProcAddr('isc_encode_sql_time'); {do not localize}
|
394 |
|
|
isc_encode_timestamp := GetProcAddr('isc_encode_timestamp'); {do not localize}
|
395 |
|
|
end else
|
396 |
|
|
begin
|
397 |
|
|
FIBServiceAPIPresent := false;
|
398 |
|
|
isc_rollback_retaining := @isc_rollback_retaining_stub;
|
399 |
|
|
isc_service_attach := @isc_service_attach_stub;
|
400 |
|
|
isc_service_detach := @isc_service_detach_stub;
|
401 |
|
|
isc_service_query := @isc_service_query_stub;
|
402 |
|
|
isc_service_start := @isc_service_start_stub;
|
403 |
|
|
isc_decode_sql_date := @isc_decode_sql_date_stub;
|
404 |
|
|
isc_decode_sql_time := @isc_decode_sql_time_stub;
|
405 |
|
|
isc_decode_timestamp := @isc_decode_timestamp_stub;
|
406 |
|
|
isc_encode_sql_date := @isc_encode_sql_date_stub;
|
407 |
|
|
isc_encode_sql_time := @isc_encode_sql_time_stub;
|
408 |
|
|
isc_encode_timestamp := @isc_encode_timestamp_stub;
|
409 |
|
|
end;
|
410 |
|
|
end;
|
411 |
|
|
|
412 |
|
|
constructor TFB25ClientAPI.Create;
|
413 |
|
|
begin
|
414 |
|
|
inherited;
|
415 |
|
|
FStatus := TFB25Status.Create(self);
|
416 |
|
|
FStatusIntf := FStatus;
|
417 |
|
|
Firebird25ClientAPI := self;
|
418 |
|
|
end;
|
419 |
|
|
|
420 |
|
|
destructor TFB25ClientAPI.Destroy;
|
421 |
|
|
begin
|
422 |
|
|
FStatusIntf := nil;
|
423 |
|
|
Firebird25ClientAPI := nil;
|
424 |
|
|
inherited Destroy;
|
425 |
|
|
end;
|
426 |
|
|
|
427 |
|
|
|
428 |
|
|
function TFB25ClientAPI.StatusVector: PISC_STATUS;
|
429 |
|
|
begin
|
430 |
|
|
Result := PISC_STATUS(FStatus.StatusVector);
|
431 |
|
|
end;
|
432 |
|
|
|
433 |
|
|
function TFB25ClientAPI.GetStatus: IStatus;
|
434 |
|
|
begin
|
435 |
|
|
Result := FStatus;
|
436 |
|
|
end;
|
437 |
|
|
|
438 |
|
|
function TFB25ClientAPI.AllocateDPB: IDPB;
|
439 |
|
|
begin
|
440 |
|
|
Result := TDPB.Create;
|
441 |
|
|
end;
|
442 |
|
|
|
443 |
|
|
function TFB25ClientAPI.OpenDatabase(DatabaseName: string; DPB: IDPB;
|
444 |
|
|
RaiseExceptionOnConnectError: boolean): IAttachment;
|
445 |
|
|
begin
|
446 |
|
|
Result := TFB25Attachment.Create(DatabaseName,DPB,RaiseExceptionOnConnectError);
|
447 |
|
|
if not Result.IsConnected then
|
448 |
|
|
Result := nil;
|
449 |
|
|
end;
|
450 |
|
|
|
451 |
|
|
function TFB25ClientAPI.CreateDatabase(DatabaseName: string; DPB: IDPB;
|
452 |
|
|
RaiseExceptionOnError: boolean): IAttachment;
|
453 |
|
|
begin
|
454 |
|
|
Result := TFB25Attachment.CreateDatabase(DatabaseName, DPB, RaiseExceptionOnError );
|
455 |
|
|
if (Result <> nil) and not Result.IsConnected then
|
456 |
|
|
Result := nil;
|
457 |
|
|
end;
|
458 |
|
|
|
459 |
|
|
function TFB25ClientAPI.AllocateSPB: ISPB;
|
460 |
|
|
begin
|
461 |
|
|
Result := TSPB.Create;
|
462 |
|
|
end;
|
463 |
|
|
|
464 |
|
|
function TFB25ClientAPI.AllocateTPB: ITPB;
|
465 |
|
|
begin
|
466 |
|
|
Result := TTPB.Create;
|
467 |
|
|
end;
|
468 |
|
|
|
469 |
|
|
function TFB25ClientAPI.GetServiceManager(ServerName: string;
|
470 |
|
|
Protocol: TProtocol; SPB: ISPB): IServiceManager;
|
471 |
|
|
begin
|
472 |
|
|
if HasServiceAPI then
|
473 |
|
|
Result := TFB25ServiceManager.Create(ServerName,Protocol,SPB)
|
474 |
|
|
else
|
475 |
|
|
Result := nil;
|
476 |
|
|
end;
|
477 |
|
|
|
478 |
|
|
function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment;
|
479 |
|
|
TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction;
|
480 |
|
|
begin
|
481 |
|
|
Result := TFB25Transaction.Create(Attachments,TPB,DefaultCompletion);
|
482 |
|
|
end;
|
483 |
|
|
|
484 |
|
|
function TFB25ClientAPI.StartTransaction(Attachments: array of IAttachment;
|
485 |
|
|
TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction;
|
486 |
|
|
begin
|
487 |
|
|
Result := TFB25Transaction.Create(Attachments,TPB,DefaultCompletion);
|
488 |
|
|
end;
|
489 |
|
|
|
490 |
|
|
function TFB25ClientAPI.HasServiceAPI: boolean;
|
491 |
|
|
begin
|
492 |
|
|
Result := IBServiceAPIPresent;
|
493 |
|
|
end;
|
494 |
|
|
|
495 |
|
|
function TFB25ClientAPI.HasRollbackRetaining: boolean;
|
496 |
|
|
begin
|
497 |
|
|
Result := assigned(isc_rollback_retaining);
|
498 |
|
|
end;
|
499 |
|
|
|
500 |
|
|
function TFB25ClientAPI.IsEmbeddedServer: boolean;
|
501 |
|
|
begin
|
502 |
|
|
Result := false;
|
503 |
|
|
{$IFDEF UNIX}
|
504 |
|
|
Result := Pos('libfbembed',FFBLibraryName) = 1;
|
505 |
|
|
{$ENDIF}
|
506 |
|
|
{$IFDEF WINDOWS}
|
507 |
|
|
Result := CompareText(FFBLibraryName,FIREBIRD_EMBEDDED) = 0;
|
508 |
|
|
{$ENDIF}
|
509 |
|
|
end;
|
510 |
|
|
|
511 |
|
|
function TFB25ClientAPI.HasMasterIntf: boolean;
|
512 |
|
|
begin
|
513 |
|
|
Result := false;
|
514 |
|
|
end;
|
515 |
|
|
|
516 |
|
|
function TFB25ClientAPI.GetIMaster: TObject;
|
517 |
|
|
begin
|
518 |
|
|
Result := nil;
|
519 |
|
|
end;
|
520 |
|
|
|
521 |
|
|
function TFB25ClientAPI.GetImplementationVersion: string;
|
522 |
|
|
begin
|
523 |
|
|
Result := FBClientInterfaceVersion;
|
524 |
|
|
end;
|
525 |
|
|
|
526 |
|
|
function TFB25ClientAPI.DecodeInteger(bufptr: PChar; len: short): integer;
|
527 |
|
|
begin
|
528 |
|
|
Result := isc_portable_integer(bufptr,len);
|
529 |
|
|
end;
|
530 |
|
|
|
531 |
|
|
procedure TFB25ClientAPI.SQLEncodeDate(aDate: TDateTime; bufptr: PChar);
|
532 |
|
|
var
|
533 |
|
|
tm_date: TCTimeStructure;
|
534 |
|
|
Yr, Mn, Dy: Word;
|
535 |
|
|
begin
|
536 |
|
|
DecodeDate(aDate, Yr, Mn, Dy);
|
537 |
|
|
with tm_date do begin
|
538 |
|
|
tm_sec := 0;
|
539 |
|
|
tm_min := 0;
|
540 |
|
|
tm_hour := 0;
|
541 |
|
|
tm_mday := Dy;
|
542 |
|
|
tm_mon := Mn - 1;
|
543 |
|
|
tm_year := Yr - 1900;
|
544 |
|
|
end;
|
545 |
|
|
isc_encode_sql_date(@tm_date, PISC_DATE(bufptr));
|
546 |
|
|
end;
|
547 |
|
|
|
548 |
|
|
function TFB25ClientAPI.SQLDecodeDate(bufptr: PChar): TDateTime;
|
549 |
|
|
var
|
550 |
|
|
tm_date: TCTimeStructure;
|
551 |
|
|
begin
|
552 |
|
|
isc_decode_sql_date(PISC_DATE(bufptr), @tm_date);
|
553 |
|
|
try
|
554 |
|
|
result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1),
|
555 |
|
|
Word(tm_date.tm_mday));
|
556 |
|
|
except
|
557 |
|
|
on E: EConvertError do begin
|
558 |
|
|
IBError(ibxeInvalidDataConversion, [nil]);
|
559 |
|
|
end;
|
560 |
|
|
end;
|
561 |
|
|
end;
|
562 |
|
|
|
563 |
|
|
procedure TFB25ClientAPI.SQLEncodeTime(aTime: TDateTime; bufptr: PChar);
|
564 |
|
|
var
|
565 |
|
|
tm_date: TCTimeStructure;
|
566 |
|
|
Hr, Mt, S, Ms: Word;
|
567 |
|
|
begin
|
568 |
|
|
DecodeTime(aTime, Hr, Mt, S, Ms);
|
569 |
|
|
with tm_date do begin
|
570 |
|
|
tm_sec := S;
|
571 |
|
|
tm_min := Mt;
|
572 |
|
|
tm_hour := Hr;
|
573 |
|
|
tm_mday := 0;
|
574 |
|
|
tm_mon := 0;
|
575 |
|
|
tm_year := 0;
|
576 |
|
|
end;
|
577 |
|
|
with Firebird25ClientAPI do
|
578 |
|
|
isc_encode_sql_time(@tm_date, PISC_TIME(bufptr));
|
579 |
|
|
if Ms > 0 then
|
580 |
|
|
Inc(PISC_TIME(bufptr)^,Ms*10);
|
581 |
|
|
end;
|
582 |
|
|
|
583 |
|
|
function TFB25ClientAPI.SQLDecodeTime(bufptr: PChar): TDateTime;
|
584 |
|
|
var
|
585 |
|
|
tm_date: TCTimeStructure;
|
586 |
|
|
msecs: Word;
|
587 |
|
|
begin
|
588 |
|
|
isc_decode_sql_time(PISC_TIME(bufptr), @tm_date);
|
589 |
|
|
try
|
590 |
|
|
msecs := (PISC_TIME(bufptr)^ mod 10000) div 10;
|
591 |
|
|
result := EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
|
592 |
|
|
Word(tm_date.tm_sec), msecs)
|
593 |
|
|
except
|
594 |
|
|
on E: EConvertError do begin
|
595 |
|
|
IBError(ibxeInvalidDataConversion, [nil]);
|
596 |
|
|
end;
|
597 |
|
|
end;
|
598 |
|
|
end;
|
599 |
|
|
|
600 |
|
|
procedure TFB25ClientAPI.SQLEncodeDateTime(aDateTime: TDateTime; bufptr: PChar);
|
601 |
|
|
var
|
602 |
|
|
tm_date: TCTimeStructure;
|
603 |
|
|
Yr, Mn, Dy, Hr, Mt, S, Ms: Word;
|
604 |
|
|
begin
|
605 |
|
|
DecodeDate(aDateTime, Yr, Mn, Dy);
|
606 |
|
|
DecodeTime(aDateTime, Hr, Mt, S, Ms);
|
607 |
|
|
with tm_date do begin
|
608 |
|
|
tm_sec := S;
|
609 |
|
|
tm_min := Mt;
|
610 |
|
|
tm_hour := Hr;
|
611 |
|
|
tm_mday := Dy;
|
612 |
|
|
tm_mon := Mn - 1;
|
613 |
|
|
tm_year := Yr - 1900;
|
614 |
|
|
end;
|
615 |
|
|
isc_encode_date(@tm_date, PISC_QUAD(bufptr));
|
616 |
|
|
if Ms > 0 then
|
617 |
|
|
Inc(PISC_TIMESTAMP(bufptr)^.timestamp_time,Ms*10);
|
618 |
|
|
end;
|
619 |
|
|
|
620 |
|
|
function TFB25ClientAPI.SQLDecodeDateTime(bufptr: PChar): TDateTime;
|
621 |
|
|
var
|
622 |
|
|
tm_date: TCTimeStructure;
|
623 |
|
|
msecs: Word;
|
624 |
|
|
begin
|
625 |
|
|
isc_decode_date(PISC_QUAD(bufptr), @tm_date);
|
626 |
|
|
try
|
627 |
|
|
result := EncodeDate(Word(tm_date.tm_year + 1900), Word(tm_date.tm_mon + 1),
|
628 |
|
|
Word(tm_date.tm_mday));
|
629 |
|
|
msecs := (PISC_TIMESTAMP(bufptr)^.timestamp_time mod 10000) div 10;
|
630 |
|
|
if result >= 0 then
|
631 |
|
|
result := result + EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
|
632 |
|
|
Word(tm_date.tm_sec), msecs)
|
633 |
|
|
else
|
634 |
|
|
result := result - EncodeTime(Word(tm_date.tm_hour), Word(tm_date.tm_min),
|
635 |
|
|
Word(tm_date.tm_sec), msecs)
|
636 |
|
|
except
|
637 |
|
|
on E: EConvertError do begin
|
638 |
|
|
IBError(ibxeInvalidDataConversion, [nil]);
|
639 |
|
|
end;
|
640 |
|
|
end;
|
641 |
|
|
end;
|
642 |
|
|
|
643 |
|
|
end.
|
644 |
|
|
|