BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Filter error... but why?          BorlandTalk.com Forum Index -> Delphi Databases (ADO) View previous topic :: View next topic   Author Message Mike Niemann Guest Posted: Tue Aug 23, 2005 3:45 pm    Post subject: Filter error... but why? TDataset filtering... filter looks good, why the exception? Filter - ( ([LastName] like 'm%')) AND (IdNumber = '333-33-1111' or IdNumber = '333-33-1112' or IdNumber = '333-33-1113' or IdNumber = '333-33-1114' or IdNumber = '333-33-1115') Exception - Arguments are of the wrong type, are out os acceptable range, or are in conflict with one another. Regards, Mike Niemann Back to top Viatcheslav V. Vassiliev Guest Posted: Tue Aug 23, 2005 6:49 pm    Post subject: Re: Filter error... but why? ADO does not support filters in form A AND (B OR C). Instead you should write (A AND B) OR (A AND C). This is from MSDN: There is no precedence between AND and OR. Clauses can be grouped within parentheses. However, you cannot group clauses joined by an OR and then join the group to another clause with an AND, like this: (LastName = 'Smith' OR LastName = 'Jones') AND FirstName = 'John' Instead, you would construct this filter as (LastName = 'Smith' AND FirstName = 'John') OR (LastName = 'Jones' AND FirstName = 'John') //------------------------------------------ Regards, Vassiliev V. V. http://www.managed-vcl.com - using .Net objects in Delphi for Win32 + ADO.Net http://www.oledbdirect.com - The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Mike Niemann" <mniemann (AT) oowidgets (DOT) com> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:430b447c (AT) newsgroups (DOT) borland.com... Quote: TDataset filtering... filter looks good, why the exception? Filter - ( ([LastName] like 'm%')) AND (IdNumber = '333-33-1111' or IdNumber = '333-33-1112' or IdNumber = '333-33-1113' or IdNumber = '333-33-1114' or IdNumber = '333-33-1115') Exception - Arguments are of the wrong type, are out os acceptable range, or are in conflict with one another. Regards, Mike Niemann Back to top Mike Niemann Guest Posted: Thu Aug 25, 2005 1:58 am    Post subject: Re: Filter error... but why? Viatcheslav, Thank you for the info... hard to believe that ADO can have such a major limitation... but apparently it does. Regards, Mike Niemann On Tue, 23 Aug 2005 22:49:54 +0400, "Viatcheslav V. Vassiliev" <support (AT) oledbdirect (DOT) com> wrote: Quote: ADO does not support filters in form A AND (B OR C). Instead you should write (A AND B) OR (A AND C). This is from MSDN: There is no precedence between AND and OR. Clauses can be grouped within parentheses. However, you cannot group clauses joined by an OR and then join the group to another clause with an AND, like this: (LastName = 'Smith' OR LastName = 'Jones') AND FirstName = 'John' Instead, you would construct this filter as (LastName = 'Smith' AND FirstName = 'John') OR (LastName = 'Jones' AND FirstName = 'John') //------------------------------------------ Regards, Vassiliev V. V. http://www.managed-vcl.com - using .Net objects in Delphi for Win32 + ADO.Net http://www.oledbdirect.com - The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "Mike Niemann" <mniemann (AT) oowidgets (DOT) com> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:430b447c (AT) newsgroups (DOT) borland.com... TDataset filtering... filter looks good, why the exception? Filter - ( ([LastName] like 'm%')) AND (IdNumber = '333-33-1111' or IdNumber = '333-33-1112' or IdNumber = '333-33-1113' or IdNumber = '333-33-1114' or IdNumber = '333-33-1115') Exception - Arguments are of the wrong type, are out os acceptable range, or are in conflict with one another. 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