geography_recv()

Datum geography_recv

(

PG_FUNCTION_ARGS

)

Definition at line 656 of file geography_inout.c.

References geography_send(), gserialized_geography_from_lwgeom(), LW_PARSER_CHECK_ALL, lwgeom_free(), lwgeom_from_wkb(), PG_FUNCTION_INFO_V1(), and LWGEOM::srid.

Referenced by geometry_from_geography().

{
        StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
        int32 geog_typmod = -1;
        LWGEOM *lwgeom = NULL;
        GSERIALIZED *g_ser = NULL;

        if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
                geog_typmod = PG_GETARG_INT32(2);
        }

        lwgeom = lwgeom_from_wkb((uint8_t*)buf->data, buf->len, LW_PARSER_CHECK_ALL);

        /* Error on any SRID != default */
        srid_is_latlong(fcinfo, lwgeom->srid);

        g_ser = gserialized_geography_from_lwgeom(lwgeom, geog_typmod);

        /* Clean up temporary object */
        lwgeom_free(lwgeom);

        /* Set cursor to the end of buffer (so the backend is happy) */
        buf->cursor = buf->len;

        PG_RETURN_POINTER(g_ser);
}

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