Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Also, can someone tell my why we use malloc in plpgsql?
>
> Plain palloc() won't do because the compiled tree for the function needs
> to outlive the current query. However, malloc() is not cool. Really,
> these structures ought to be built in a memory context created specially
> for each function --- then it'd be possible to reclaim the memory if the
> function is deleted or we realize we need to invalidate its compiled
> tree.
>
> I've had this in mind to do for awhile, but haven't gotten to it.
> Do you want to put it on TODO?
Planned that myself, but dropped the plan again because I think it'd be better to start more or less from
scratch with a complete new PL that supports modules, global variables and the like. After 2-3 years we could
simply remove the old style PL/pgSQL then.
Jan
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