Re: [HACKERS] TIME QUALIFICATION

>     For  that  preprocessing  required  to  associate  RTE's with
>     snapshots I need the exact output of the  rewrite  system  at
>     ExecutorStart() time, so I'm able to find all the RTE's.
> 
>     So  far  I've found that the planner NULL's out subselects in
>     _make_subplan().  A first (very little) test showed, that  it
>     seems  to  work without doing so too.  Who coded that and why
>     is it done there?
> 
>     Does anyone know about other places in the code mucking  with
>     the  parsetrees  after  I'm  done  with  them  in the rewrite
>     system?

Vadim originally wrote the file.  Is he splitting up the subqueries?

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