高健 wrote:
> I am new to PostgreSQL's SPI(Server Programming Interface).
>
> I can understand PostgreSQL's exampel of using SPI. But I am not sure about SPI_prepare's parameter.
>
> void * SPI_prepare(const char * command, int nargs, Oid * argtypes)
>
>
> Can somebody kindly give an example of using SPI_prepare ?
Untested:
Oid types[] = { INT4OID };
SPIPlanPtr planptr = SPI_prepare("SELECT val FROM tab WHERE id = $1", 1, types);
Yours,
Laurenz Albe
