| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Access to dynamic SQL in PL/pgSQL |
| Date: | 2010-01-22 10:41:54 |
| Message-ID: | 162867791001220241l6e85de5eh658724f8e70dbbd0@mail.gmail.com |
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| Lists: | pgsql-hackers |
2010/1/22 Simon Riggs <simon(at)2ndquadrant(dot)com>:
>
> It's not currently possible to access the SQL used in a dynamic PL/pgSQL
> statement using a PL/pgSQL plugin.
>
> In src/pl/plpgsql/src/pl_exec.c's exec_stmt() we call each dynamic
> statement type, evaluate the SQL and free memory again before the plugin
> gains control again.
can you show some example, please?
Pavel
>
> It seems simple to attach querystr to PLpgSQL_execstate and free it
> after the plugin has seen it. The difference in lifetime of the memory
> allocation is very small.
>
> Would a patch to make this simple change be acceptable? It would need to
> be backpatched to 8.1 also?
>
> --
> Simon Riggs www.2ndQuadrant.com
>
>
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