Class tfb3connection

Description
Hierarchy
Fields
Methods
Properties

Unit

msefb3connection

Declaration

type tfb3connection = class(tcustomsqlconnection, iblobconnection, idbevent, idbeventcontroller)

Description

This item has no description.

Hierarchy

Overview

Fields

Protected fapi: fbapity;
Protected fattachment: iattachment;
Protected feventcallback: tfbeventcallback;
Protected feventcontroller: tdbeventcontroller;
Protected feventitems: array of fbeventinfoty;
Protected fevents: ievents;
Protected flistencount: int32;
Protected feventcount: int32;
Protected feventlength: int32;
Protected feventbuffer: pbyte;
Protected feventcountbuffer: array of ULONG;

Methods

Protected function getpb(const akind: paramblockkindty): ixpbbuilder;
Protected function buildpb(const akind: paramblockkindty; const ainfo: pparaminfoty; const acount: int32; const aparams: tstringlist; const force: boolean): ixpbbuilder;
Protected procedure clearstatus(); inline;
Protected function statusok(): boolean; inline;
Protected procedure checkstatus(const aerrormessage: msestring);
Protected procedure dointernalconnectoverride;
Protected procedure dointernaldisconnectoverride;
Protected function allocatetransactionhandle: tsqlhandle override;
Protected function gettransactionhandle(trans : tsqlhandle): pointer override;
Protected function startdbtransaction(const trans : tsqlhandle; const aparams : tstringlist) : boolean override;
Protected function commit(trans : tsqlhandle) : boolean override;
Protected function rollback(trans : tsqlhandle) : boolean override;
Protected procedure internalcommitretaining(trans : tsqlhandle) override;
Protected procedure internalrollbackretaining(trans : tsqlhandle) override;
Protected procedure cursorclose(const cursor: tfbcursor);
Protected procedure updateresultmetadata(const acursor: tfbcursor; const outmetadata: pimessagemetadata);
Protected procedure internalexecute(const cursor: tsqlcursor; const atransaction: tsqltransaction; const aparams : tmseparams; const autf8: boolean) override;
Protected procedure updateindexdefs(var indexdefs : tindexdefs; const atablename : string; const acursor: tsqlcursor) override;
Protected function getschemainfosql(schematype : tschematype; schemaobjectname, schemapattern : msestring) : msestring override;
Protected function createblobstream(const field: tfield; const mode: tblobstreammode; const acursor: tsqlcursor): tstream; override;
Protected function getblobdatasize: integer; override;
Protected procedure updateevents(const aerrormessage: msestring);
Protected procedure clearevents();
Protected procedure loaded() override;
Protected function readsequence(const sequencename: string): msestring override;
Protected function sequencecurrvalue(const sequencename: string): msestring override;
Protected function writesequence(const sequencename: string; const avalue: largeint): msestring override;
Protected procedure writeblobdata(const atransaction: tsqltransaction; const tablename: string; const acursor: tsqlcursor; const adata: pointer; const alength: integer; const afield: tfield; const aparam: tparam; out newid: string); overload;
Protected procedure setupblobdata(const afield: tfield; const acursor: tsqlcursor; const aparam: tparam);
Protected procedure listen(const sender: tdbevent);
Protected procedure unlisten(const sender: tdbevent);
Protected procedure fire(const sender: tdbevent);
Protected function getdbevent(var aname: string; var aid: int64): boolean;
Protected procedure dolisten(const sender: tdbevent);
Protected procedure dounlisten(const sender: tdbevent);
Public constructor create(aowner: tcomponent); override;
Public destructor destroy(); override;
Public procedure createdatabase(const asql: ansistring);
Public function allocatecursorhandle(const aowner: icursorclient; const aname: ansistring): tsqlcursor override;
Public procedure deallocatecursorhandle(var cursor : tsqlcursor) override;
Public procedure freefldbuffers(cursor : tsqlcursor); override;
Public procedure preparestatement(const cursor: tsqlcursor; const atransaction : tsqltransaction; const asql: msestring; const aparams : tmseparams) override;
Public procedure unpreparestatement(cursor : tsqlcursor) override;
Public procedure addfielddefs(const cursor: tsqlcursor; const fielddefs : tfielddefs) override;
Public function fetch(cursor : tsqlcursor) : boolean; override;
Public function loadfield(const cursor: tsqlcursor; const datatype: tfieldtype; const fieldnum: integer; const buffer: pointer; var bufsize: integer; const aisutf8: boolean): boolean; override;
Public function fetchblob(const cursor: tsqlcursor; const fieldnum: integer): ansistring; override;
Public function version: msestring;

Properties

Public property lasterrormessage: msestring read flasterrormessage;
Public property lastsqlcode: int32 read flastsqlcode;
Published property dialect: integer read fdialect write fdialect default sql_dialect_v6;
Published property options: fbconnectionoptionsty read foptions write foptions default [];
Published property Transaction;
Published property transactionwrite;
Published property CharSet;
Published property HostName;
Published property controller;
Published property DatabaseName: filenamety read getdatabasename write setdatabasename;
Published property Connected: boolean read getconnected write setconnected default false;
Published property Password;
Published property UserName;
Published property Role;
Published property ongetcredentials;
Published property afterconnect;
Published property beforedisconnect;

Description

Fields

Protected fapi: fbapity;

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Protected fattachment: iattachment;

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Protected feventcallback: tfbeventcallback;

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Protected feventcontroller: tdbeventcontroller;

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Protected feventitems: array of fbeventinfoty;

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Protected fevents: ievents;

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Protected flistencount: int32;

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Protected feventcount: int32;

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Protected feventlength: int32;

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Protected feventbuffer: pbyte;

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Protected feventcountbuffer: array of ULONG;

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Methods

Protected function getpb(const akind: paramblockkindty): ixpbbuilder;

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Protected function buildpb(const akind: paramblockkindty; const ainfo: pparaminfoty; const acount: int32; const aparams: tstringlist; const force: boolean): ixpbbuilder;

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Protected procedure clearstatus(); inline;

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Protected function statusok(): boolean; inline;

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Protected procedure checkstatus(const aerrormessage: msestring);

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Protected procedure dointernalconnectoverride;

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Protected procedure dointernaldisconnectoverride;

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Protected function allocatetransactionhandle: tsqlhandle override;

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Protected function gettransactionhandle(trans : tsqlhandle): pointer override;

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Protected function startdbtransaction(const trans : tsqlhandle; const aparams : tstringlist) : boolean override;

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Protected function commit(trans : tsqlhandle) : boolean override;

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Protected function rollback(trans : tsqlhandle) : boolean override;

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Protected procedure internalcommitretaining(trans : tsqlhandle) override;

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Protected procedure internalrollbackretaining(trans : tsqlhandle) override;

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Protected procedure cursorclose(const cursor: tfbcursor);

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Protected procedure updateresultmetadata(const acursor: tfbcursor; const outmetadata: pimessagemetadata);

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Protected procedure internalexecute(const cursor: tsqlcursor; const atransaction: tsqltransaction; const aparams : tmseparams; const autf8: boolean) override;

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Protected procedure updateindexdefs(var indexdefs : tindexdefs; const atablename : string; const acursor: tsqlcursor) override;

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Protected function getschemainfosql(schematype : tschematype; schemaobjectname, schemapattern : msestring) : msestring override;

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Protected function createblobstream(const field: tfield; const mode: tblobstreammode; const acursor: tsqlcursor): tstream; override;

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Protected function getblobdatasize: integer; override;

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Protected procedure updateevents(const aerrormessage: msestring);

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Protected procedure clearevents();

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Protected procedure loaded() override;

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Protected function readsequence(const sequencename: string): msestring override;

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Protected function sequencecurrvalue(const sequencename: string): msestring override;

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Protected function writesequence(const sequencename: string; const avalue: largeint): msestring override;

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Protected procedure writeblobdata(const atransaction: tsqltransaction; const tablename: string; const acursor: tsqlcursor; const adata: pointer; const alength: integer; const afield: tfield; const aparam: tparam; out newid: string); overload;

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Protected procedure setupblobdata(const afield: tfield; const acursor: tsqlcursor; const aparam: tparam);

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Protected procedure listen(const sender: tdbevent);

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Protected procedure unlisten(const sender: tdbevent);

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Protected procedure fire(const sender: tdbevent);

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Protected function getdbevent(var aname: string; var aid: int64): boolean;

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Protected procedure dolisten(const sender: tdbevent);

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Protected procedure dounlisten(const sender: tdbevent);

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Public constructor create(aowner: tcomponent); override;

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Public destructor destroy(); override;

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Public procedure createdatabase(const asql: ansistring);

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Public function allocatecursorhandle(const aowner: icursorclient; const aname: ansistring): tsqlcursor override;

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Public procedure deallocatecursorhandle(var cursor : tsqlcursor) override;

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Public procedure freefldbuffers(cursor : tsqlcursor); override;

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Public procedure preparestatement(const cursor: tsqlcursor; const atransaction : tsqltransaction; const asql: msestring; const aparams : tmseparams) override;

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Public procedure unpreparestatement(cursor : tsqlcursor) override;

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Public procedure addfielddefs(const cursor: tsqlcursor; const fielddefs : tfielddefs) override;

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Public function fetch(cursor : tsqlcursor) : boolean; override;

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Public function loadfield(const cursor: tsqlcursor; const datatype: tfieldtype; const fieldnum: integer; const buffer: pointer; var bufsize: integer; const aisutf8: boolean): boolean; override;

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Public function fetchblob(const cursor: tsqlcursor; const fieldnum: integer): ansistring; override;

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Public function version: msestring;

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Properties

Public property lasterrormessage: msestring read flasterrormessage;

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Public property lastsqlcode: int32 read flastsqlcode;

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Published property dialect: integer read fdialect write fdialect default sql_dialect_v6;

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Published property options: fbconnectionoptionsty read foptions write foptions default [];

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Published property Transaction;

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Published property transactionwrite;

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Published property CharSet;

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Published property HostName;

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Published property controller;

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Published property DatabaseName: filenamety read getdatabasename write setdatabasename;

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Published property Connected: boolean read getconnected write setconnected default false;

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Published property Password;

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Published property UserName;

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Published property Role;

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Published property ongetcredentials;

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Published property afterconnect;

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Published property beforedisconnect;

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