cubicweb #3036144 rql rewrite unpredictable results in some cases [validation pending]

in some cases, it returns an Select with empty solutions associated, leading to bad sql generated (for instance only an ORDER BY clause).

This occurs somewhat randomly.

prioritynormal
typebug
done in3.17.4
load0.800
load left0.000
closed by#9448215c73c4 [rqlrewrite] fix rqlrewrite unpredictability vs relation sharing. Closes #3036144
patch[rqlrewrite] fix rqlrewrite unpredictability vs relation sharing. Closes #3036144 [applied]