> Denis Perchine <[EMAIL PROTECTED]> writes: > > As far as you can see it uses sequence scan for inner select. This is > > quite strange as if I do this select with a constant it will use index > > scan: > > Are the two tables' "email" fields declared as exactly the same > datatype? No... > IIRC, 7.0.* has a problem with recognizing that a type-coerced parameter > to an inner query is useful as an indexscan reference constant. This is > fixed in current sources, but in the meantime avoiding an implicit type > coercion is the easiest workaround. OK. Thanks. -- Sincerely Yours, Denis Perchine ---------------------------------- E-Mail: [EMAIL PROTECTED] HomePage: http://www.perchine.com/dyp/ FidoNet: 2:5000/120.5 ----------------------------------
