[Cubicweb] An rql bug ?

Christophe de Vienne christophe at unlish.com
Wed Feb 11 11:41:06 CET 2015

Le 11/02/2015 11:13, Nicolas Chauvat a écrit :
> On Wed, Feb 11, 2015 at 09:48:24AM +0100, Alain Leufroy wrote:
>> RRQLExpression('EXISTS(U can_run O) OR EXISTS(U can_run X, O in_project X)')
>> Adding this permission rule fails with a "type inconsistancy"
>> exception from rql.
> It is simpler and safer to assume that you can not "share" variables
> between the two parts of an OR.

"share" -> "redefine", or something like that. One can use a variable
that get determined outside the OR (here, 'E'):

Any X WHERE X owned_by U, U attends E, EXISTS(E activity A, ...) OR
EXISTS(E subevent E1, E1 activity A1, ...)

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