Re: [rules-dev] Constraint efficiency: (was: "New in 5.2.0" - What works, what doesn't?)

On 9 May 2011 15:56, Mark Proctor <mproctor(a)codehaus.org <mailto:mproctor@codehaus.org>> wrote: On 09/05/2011 12:40, Wolfgang Laun wrote: > > But the following does not permit indexing: > <any RHS expression from above> == <fieldname> I don't understand this question as there is no join process in the RHS, and thus no possible indexing. I thought that a very simple transformation could fold this back into <fieldname> == <any RHS expression from above> If the "indexable" forms can be detected by checking the 1st operand and the operator, surely the same is possible for testing the 2nd operand, followed by swapping operands. Example: Person( name == "Fred" ) same as Person( "Fred" == name ) But I don't think that this is an important feature - just wanted to make sure what is, and what is not carried over from legacy.

Thanks Wolfgang _______________________________________________ rules-dev mailing list rules-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-dev