Hi Derrel > --- Ursprüngliche Nachricht --- > Von: [EMAIL PROTECTED] > An: sqlite-users@sqlite.org > Betreff: Re: [sqlite] Proposal: sqlite3_column_rowid > Datum: Tue, 16 May 2006 09:12:37 -0400
> What does it do with queries that are pulling data from multiple tables? > How about computed column data? > > Consider these queries: > SELECT a.c2, b.c3 FROM a, b WHERE a.c1 = b.c1; > SELECT c1 + c2 FROM a; Ado and OLEDB supports Information in the Fieldcollection of a Recordset like the following snips: if (DBFieldInfo->Attributes & adFldMayDefer) dothis... if (DBFieldInfo->Attributes & adFldUpdatable) etc. if (DBFieldInfo->Attributes & adFldUnknownUpdatable) if (DBFieldInfo->Attributes & adFldIsNullable) if (DBFieldInfo->Attributes & adFldRowID) if (DBFieldInfo->Attributes & adFldKeyColumn That would be right to solve the Problems... think so... In ADO/OLEDB I request this infos and respect them. Regards, Anne -- Echte DSL-Flatrate dauerhaft für 0,- Euro*! "Feel free" mit GMX DSL! http://www.gmx.net/de/go/dsl