| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: EXECUTE does not process parameters |
| Date: | 2018-04-30 23:43:43 |
| Message-ID: | 28928.1525131823@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> writes:
> The SQL-level EXECUTE statement does not process parameters in its
> arguments. So for example, the following does not work:
> ...
> It seems this needs some special treatment in transformStmt(). Any
> reason not to do that?
I have a vague recollection of having poked at this years ago and
found out that there were some interesting corner cases to worry about.
I think they had to do with parameters being passed through multiple
execution layers, but I don't remember for sure. All I can say is
that this is probably trickier than it looks.
regards, tom lane
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