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The attachment is a project First, create a database from the specified SQL code. The CONTRIB (linux) plugin must be installed. and CREATE EXTENSION IF NOT EXISTS tablefunc Must be running from superuser level to.rar The problem lies probably in my SQL because this code already works Query.SQL.Clear...

The whole base does not matter Underneath sql CREATE TABLE planamortyzacji ( id integer NOT NULL, id_srodektrwaly integer, lp integer, rok character varying(4), miesiac character varying(2), wartoscpoczatkowa numeric(11,2), wartoscumozenia numeric(11,2), podliczamor numeric(11,2), rocznyodpis numeri...

I have sql CREATE OR REPLACE FUNCTION dajmiesieczneodpisyzarok( IN rok character varying, IN id_srodektrwaly integer) RETURNS TABLE(id_srodektrwaly numeric, styczen numeric, luty numeric, marzec numeric, kwiecien numeric, maj numeric, czerwiec numeric, lipiec numeric, sierpien numeric, wrzesien nume...

It can enter the connection identifier IZPostgreSQLConnection = interface (IZConnection) ['{8E62EA93-5A49-4F20-928A-0EA44ABCE5DB}'] ... function GetConnectionHandle: PZPostgreSQLConnect; and it was possible to have a seperate from DB layer exe dll and operates on the same connection identifier. SetC...

It can enter the connection identifier IZPostgreSQLConnection = interface (IZConnection) ['{8E62EA93-5A49-4F20-928A-0EA44ABCE5DB}'] ... function GetConnectionHandle: PZPostgreSQLConnect; and it was possible to have a seperate from DB layer exe dll and operates on the same connection identifier. SetC...

I added TZAbstractConnection = class(TComponent) ... property DbcConnection: IZConnection read FConnection write FConnection; code exe: function GetIZConnection():IZConnection;stdcall; begin result:=ksiegi.ZConnection1.DbcConnection; end; exports ...GetIZConnection; end. code dll: function ... Conn ...

Most simply had to go on a String -> WideString it is safe to use interfaces and TStream -> IStream. Wim that a lot of work, especially testing, but I think it would be worthwhile, and the normal user does not know the difference. Alternatively, you can make a method which would enter IZConnection t...

The problem is
property DbcConnection: IZConnection read FConnection;
the dll is not
write FConnection;

It's about crossing barriers Exe-dll (not BPL) for objects. Objects can not be moved from exe to dll and vice versa, only simple types. The idea is to get some exe interface that represents TZConnection (replacement) and dll and create TZQuery him to enter the call and continue to use TZQuery as if ...

Sorry for my english - GoogleTranslator Do you plan to move the barrier EXE-DLL It's a case of: connect the EXE and DLLs provide the interface to the dll and then use that interface. In short, it was that of the substitution As for the exchange TZAbstractConnection = class(TComponent) on TZAbstractC...