Teodor Macicas <teodor.macicas@xxxxxxx> writes: > Tom Lane wrote: >> C code will work with a value in a "native" representation, and then >> convert to or from Datum in order to pass the value through >> data-type-independent interfaces. > And how this convertions will be made ? > Are there internal functions to do this ? Usually you should use the appropriate DatumGetXXX or XXXGetDatum macro, or possibly the PG_GET_XXX or PG_RETURN_XXX wrappers for those. Whether that's a simple cast or a function call is the macro's business. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
