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I'm use embedded dll (x86). My DB is test DB from book about Delphi 7. My code was 'ZConnection.HostName := 'localhost';'. When I change HostName to '' (empty) Zeos can open that DB. (FB 1.5 and 2.1 tested). But. My second DB is test DB from book about Delphi 5. And Zeos raise same error! Changing H...

XE4. But test from scratch get new info. procedure Test; var ZC: TZConnection; ZQ: TZQuery; BlobStream: TStream; B: TBytes; begin ZC := TZConnection.Create(nil); try ZQ := TZQuery.Create(ZC); ZQ.Connection := ZC; ZC.Protocol := 'interbase'; ZC.User := 'SYSDBA'; ZC.Password := 'masterkey'; ZC.LoginPr...

For me works "f.AsBytes".
But "BlobStream := FZQuery.CreateBlobStream(f, bmRead);"
just crashed, not raise EZNotSupported or so (for example).

Zeos can't open old database with old Firebird (2.0 for example). Tables can be acquired with ZConnection.GetTableNames. But next Zeos can't get data with ZQuery or ZTable: raise EZSQLException: SQL Error: Dynamic SQL ErrorSQL error code = -206Column unknownB.RDB$FIELD_PRECISIONAt line 1, column 249...

BYTES field raises error 'Exception TZAbstractCLob in module Test.exe at 00000000007623A6.' in this code: BlobStream := FZQuery.CreateBlobStream(f, bmRead); try BlobSize := BlobStream.Size; BlobStream.Read(BlobMem^, BlobSize); finally BlobStream.Free; end; BYTES data field have for example security3...