I don't understand ERROR message at all:
 ERROR:  SPI_prepare() failed on "SELECT   $1 "



 > This is a bug.  Or two bugs, actually: one of yours and one of PG's.
I have repaired the PG bug with the attached patch.  The bug in your
code is that your C function needs to call SPI_connect and SPI_finish
if it's going to use any SPI operations.

regards, tom lane

Thanks a lot. The first answer helped me, the second one - the others.


Do you know anything about good source of C functions documentation and examples? Currently I'm walking over .h headers to find some useful functions and macros.


Regads, Tomasz Myrta


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