Hello
2011/4/21 Nick Raj <nickrajjain@xxxxxxxxx>:
> Hi,
> I am defining a new data type called mpoint
> i.e.
> typedef struct mpoint
> {
> ÂÂÂ Point p;
> ÂÂÂ Timestamp t;
> } mpoint;
>
> For defining input/output function
>
> 1ÂÂÂÂ Datum mpoint_in(PG_FUNCTION_ARGS)
> 2ÂÂÂÂ {
> 3
> 4ÂÂÂÂÂÂÂ mpoint *result;
> 5ÂÂÂÂÂÂÂ char *pnt=(char *)malloc (sizeof (20));
> 6ÂÂÂÂÂÂÂ char *ts=(char *)malloc (sizeof (20));
> 7 ÂÂÂÂÂÂ result= (mpoint *) palloc(sizeof(mpoint));
> 8ÂÂÂÂÂÂÂ char *st = PG_GETARG_CSTRING(0);
> 9ÂÂÂÂÂÂÂ mpoint_decode(st,pnt,ts);
> // st breaks down into pnt that corresponds to Point and ts corresponds to
> Timestamp
> 10
> 11 ÂÂÂÂ result->p = point_in(PointerGetDatum(pnt));ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ //
> point_in (input function for point that assigns x, y into point)
> 12 ÂÂÂÂ result-> t = timestamp_in(PointerGetDatum(ts));ÂÂÂÂÂÂÂÂ // similar
> for timestamp
> 13
> 14 ÂÂÂÂ PG_RETURN_MPOINT_P(result);
> 15ÂÂ }
>
> line no 11 warning: passing argument 1 of âpoint_inâ makes pointer from
> integer without a cast
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ../../../include/utils/geo_decls.h:191: note: expected
> âFunctionCallInfoâ but argument is of type âunsigned intâ
> line no 11 error: incompatible types when assigning to type âPointâ from
> type âDatumâ
> line no 12 warning: passing argument 1 of âtimestamp_inâ makes pointer from
> integer without a cast
> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ../../../include/utils/timestamp.h:205: note: expected
> âFunctionCallInfoâ but argument is of type âunsigned intâ
>
you are missing a important header files.
> Can anybody figure out what kind of mistake i am doing?
> Also, why it got related to 'FunctionCallInfo' ?
see on definition of PG_FUNCTION_ARGS macro
Regards
Pavel Stehule
>
> Thanks
> Nick
>
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