Hi pá 11. 10. 2019 v 10:15 odesílatel Stefan Wolf <s...@zpmt.de> napsal:
> I´ve written some PostgreSQL C-Extensions (for the first time...) and they > work as expected. > > But now I want to call other functions from inside the C-Extensions (but > not > via SPI_execute), > for example "regexp_match()" or from other extensions like PostGIS > "ST_POINT" etc... > > I think "fmgr" is the key - but I didn't find any examples. > search DirectFunctionCall <-->PG_RETURN_NUMERIC( <--><-->DirectFunctionCall1(float8_numeric, Float8GetDatumFast(result))); Regards Pavel > Greetings from Berlin > -Stefan Wolf- > > > > > >