Re: [BUGS] BUG #4465: GROUP BY is not to SQL standard

2008-10-14 Thread Gregory Stark
"Tony Marston" <[EMAIL PROTECTED]> writes: > I think your definition of "Feature T301 Functional Dependencies" is > extremely questionable. ... If you support both key and non-key columns on a > table then you support functional dependencies whether you like it or not. An ISO/IEC 9075 conformant

Re: [BUGS] BUG #4465: GROUP BY is not to SQL standard

2008-10-14 Thread Peter Eisentraut
Tony Marston wrote: I think your definition of "Feature T301 Functional Dependencies" is extremely questionable. A functional dependency in relational theory automatically exists where a non-key column on a table is functionally dependent on the key of that table. It is not something that can be

Re: [BUGS] BUG #4465: GROUP BY is not to SQL standard

2008-10-14 Thread Bruce Momjian
Tony Marston wrote: > I think your definition of "Feature T301 Functional Dependencies" is > extremely questionable. A functional dependency in relational theory > automatically exists where a non-key column on a table is functionally > dependent on the key of that table. It is not something that c

Re: [BUGS] BUG #4465: GROUP BY is not to SQL standard

2008-10-14 Thread Tony Marston
I think your definition of "Feature T301 Functional Dependencies" is extremely questionable. A functional dependency in relational theory automatically exists where a non-key column on a table is functionally dependent on the key of that table. It is not something that can be turned on or off with