PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ ST_UnaryUnion()

Datum ST_UnaryUnion ( PG_FUNCTION_ARGS  )

Definition at line 613 of file postgis/lwgeom_geos.c.

614 {
615  GSERIALIZED *geom1;
616  GSERIALIZED *result;
617  LWGEOM *lwgeom1, *lwresult ;
618 
619  geom1 = PG_GETARG_GSERIALIZED_P(0);
620 
621  lwgeom1 = lwgeom_from_gserialized(geom1) ;
622 
623  lwresult = lwgeom_unaryunion(lwgeom1);
624  result = geometry_serialize(lwresult) ;
625 
626  lwgeom_free(lwgeom1) ;
627  lwgeom_free(lwresult) ;
628 
629  PG_FREE_IF_COPY(geom1, 0);
630 
631  PG_RETURN_POINTER(result);
632 }
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
LWGEOM * lwgeom_unaryunion(const LWGEOM *geom1)
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)

References geometry_serialize(), lwgeom_free(), lwgeom_from_gserialized(), and lwgeom_unaryunion().

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