Fabio Ugo Venchiarutti writes:
>>> Conversion of the pattern to an index qualification requires that the
>>> pattern be a plan-time constant. STABLE functions, by definition,
>>> are not that.
> I guess it is correct to assume that the same applies to regular
> expressions stored in pl/pgsql va
> Conversion of the pattern to an index qualification requires that the
> pattern be a plan-time constant. STABLE functions, by definition,
> are not that.
Thank you very much
I guess it is correct to assume that the same applies to regular
expressions stored in pl/pgsql variables/arguments t
Fabio Ugo Venchiarutti writes:
> As you can see, CONCAT()'s output isn't deemed suitable for an index
> scan. The same happens for all type-compatible STABLE functions i tried.
Conversion of the pattern to an index qualification requires that the
pattern be a plan-time constant. STABLE function
Greetings.
I'm in the process of indexing a virtual file system (on 9.2.9, build
info below) and I ran into what I perceive as an inconsistency in the
way index viability is assessed by the planner.
Perhaps I'm misinterpreting the docs, but it seems like stable functions
don't behave as per
