On Sat, Mar 11, 2017 at 11:09:32PM +0100, Julien Rouhaud wrote: > > When a query contains parameters, the original param node contains the token > location. However, this information is lost when the Const node is generated, > this one will only contain position -1 (unknown). > > FWIW, we do have a use case for this (custom extension that tracks quals > statistics, which among other thing is used to regenerate query string from a > pgss normalized query, thus needing the original param location).
rebased v2.
