Article View: borland.public.cppbuilder.database.ado
Article #2641Re: TADOConnection.OpenSchema types
From: Edward Diener
Date: Wed, 30 Apr 2003 21:09
Date: Wed, 30 Apr 2003 21:09
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5320 bytes
Thanks. It is what I surmised in the first place. I will report it on QC. Viatcheslav V. Vassiliev wrote: > Yes, it is an error in Borland help. ADO Express (dbGo) supports any > schema that is supported by MS ADO for the same OLEDB provider. > > ---------------------------------------------------------------- > Regards, > Viatcheslav V. Vassiliev > http://www.oledbdirect.com > The fastest way to access MS SQL Server, MS Jet (MS Access) > and Interbase (through OLEDB) databases. > > > "Edward Diener" <eddielee@tropicsoft.com> �������/�������� � �������� > ���������: news:3eaeeb56$1@newsgroups.borland.com... >> Viatcheslav V. Vassiliev wrote: >>> Info literals and keywords are really not defined in OLEDB as schema >>> - OLEDB provider provides this information not through schema >>> mechanism and ADO transforms this to schema. If you need more info, >>> look MDAC SDK or MSDN. >> >> Once again your comment does not explain why the Borland >> documentation for TADOConnection::OpenSchema says it does not >> support literal information because the underlying ADO does not >> support it, while the MS ADO documentation for the >> Connection::OpenSchema clearly states that does support literal >> information. >> >> How much clearer can I make this discussion ? I don't mind your not >> answering as it appears to be Borland's error and is not your >> problem, but I wish that if you answer, you would at least look at >> what I am saying. No doubt the Borland doc is just plain wrong, as >> it so often is, but I just am asking for you to confirm this also or >> present me with evidence which shows that I am wrong and that >> clarifies the matter. >> >>> >>> ---------------------------------------------------------------- >>> Regards, >>> Viatcheslav V. Vassiliev >>> http://www.oledbdirect.com >>> The fastest way to access MS SQL Server, MS Jet (MS Access) >>> and Interbase (through OLEDB) databases. >>> >>> >>> "Edward Diener" <eddielee@tropicsoft.com> �������/�������� � >>> �������� ���������: news:3ead97a6@newsgroups.borland.com... >>>> Viatcheslav V. Vassiliev wrote: >>>>> ADO Express (dbGo) uses MS ADO to get schema data, so it supports >>>>> any schema that ADO supports. adSchemaDBInfoLiterals is defined in >>>>> ADO >>>>> but not in OLEDB - OLEDB providers provide this information not >>>>> through schema. >>>> >>>> Why then does the Borland doc quoted below say that >>>> >>>> "siDBInfoLiterals (Defined in OLE DB, but not supported by ADO.)" >>>> >>>> along with a number of other siXXX schema types ( look at the >>>> bottom of the TSchemaInfo type topic ) ? Is this just another >>>> error by Borland in their documentation ? >>>> >>>>> >>>>> ---------------------------------------------------------------- >>>>> Regards, >>>>> Viatcheslav V. Vassiliev >>>>> http://www.oledbdirect.com >>>>> The fastest way to access MS SQL Server, MS Jet (MS Access)> and >>>>> Interbase (through OLEDB) databases. >>>>> >>>>> >>>>> "Edward Diener" <eddielee@tropicsoft.com> �������/�������� � >>>>> �������� ���������: news:3eabd2f1$1@newsgroups.borland.com... >>>>>> The documentation for OpenSchema's TSchemaInfo types says that >>>>>> says: >>>>>> >>>>>> "siDBInfoLiterals (Defined in OLE DB, but not supported by ADO.)" >>>>>> >>>>>> among other types specified as defined in OLEDB but not ADO. >>>>>> However, looking at the MS ADO documentation, it clearly states >>>>>> that adSchemaDBInfoLiterals, the ADO equivalent of >>>>>> siDBInfoLiterals, is supported in ADO. Does anybody know why >>>>>> Borland's ADO implementation says that it is not supported ? Is >>>>>> the Borland ADO implementation a version of ADO that is not the >>>>>> latest and does not support this functionality ? I notice the >>>>>> latest version of ADO on my machine is >>>>>> 2.7, which I guess corresponds to the 2.7 version of MDAC. What >>>>>> version of ADO does Borland's version support ?
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X-Google-Language: ENGLISH,ASCII X-Google-Thread: 10698b,8693ae3486f3c2c6 X-Google-Attributes: gid10698b,public X-Google-ArrivalTime: 2003-04-30 14:09:46 PST From: "Edward Diener" <eddielee@tropicsoft.com> Newsgroups: borland.public.cppbuilder.database.ado References: <3eabd2f1$1@newsgroups.borland.com> <3eacbffe$1@newsgroups.borland.com> <3ead97a6@newsgroups.borland.com> <3eae1fae@newsgroups.borland.com> <3eaeeb56$1@newsgroups.borland.com> <3eaf9a34@newsgroups.borland.com> Subject: Re: TADOConnection.OpenSchema types Date: Wed, 30 Apr 2003 17:09:46 -0400 Lines: 91 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 NNTP-Posting-Host: 66.245.8.111 Message-ID: <3eb03aed@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1051736813 66.245.8.111 (30 Apr 2003 14:06:53 -0700) Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-04!sn-xit-06!sn-xit-09!supernews.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail