PostGIS  2.5.7dev-r@@SVN_REVISION@@

◆ geography_from_binary()

Datum geography_from_binary ( PG_FUNCTION_ARGS  )

Definition at line 587 of file geography_inout.c.

588 {
589  char *wkb_bytea = (char*)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
590  GSERIALIZED *gser = NULL;
591  size_t wkb_size = VARSIZE(wkb_bytea);
592  uint8_t *wkb = (uint8_t*)VARDATA(wkb_bytea);
593  LWGEOM *lwgeom = lwgeom_from_wkb(wkb, wkb_size, LW_PARSER_CHECK_NONE);
594 
595  if ( ! lwgeom )
596  lwpgerror("Unable to parse WKB");
597 
598  /* Error on any SRID != default */
599  srid_is_latlong(fcinfo, lwgeom->srid);
600 
601  gser = gserialized_geography_from_lwgeom(lwgeom, -1);
602  lwgeom_free(lwgeom);
603  PG_RETURN_POINTER(gser);
604 }
GSERIALIZED * gserialized_geography_from_lwgeom(LWGEOM *lwgeom, int32 geog_typmod)
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2005
LWGEOM * lwgeom_from_wkb(const uint8_t *wkb, const size_t wkb_size, const char check)
WKB inputs must have a declared size, to prevent malformed WKB from reading off the end of the memory...
Definition: lwin_wkb.c:789
int32_t srid
Definition: liblwgeom.h:402
unsigned char uint8_t
Definition: uthash.h:79

References gserialized_geography_from_lwgeom(), LW_PARSER_CHECK_NONE, lwgeom_free(), lwgeom_from_wkb(), and LWGEOM::srid.

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