| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Markus Wagner <wagner(at)imsd(dot)uni-mainz(dot)de> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: nested SQL with SPI |
| Date: | 2001-09-04 14:01:45 |
| Message-ID: | 26123.999612105@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Markus Wagner <wagner(at)imsd(dot)uni-mainz(dot)de> writes:
> this would mean that all result tables are kept in memory until the trigger
> function exits?
Until you do SPI_freetuptable or SPI_finish, yes, an SPI result sticks
around.
> What do you mean with "copy it and associated globals into locals", just the
> pointers or the data itself?
Just the pointer. You may or may not need to hang onto SPI_processed,
SPI_lastoid, or SPI_result; a copy of SPI_tuptable might be enough for
your purposes.
If the docs don't seem clear enough to you, feel free to submit a doc
patch ...
regards, tom lane
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