PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ LWGEOM_summary()

Datum LWGEOM_summary ( PG_FUNCTION_ARGS  )

Definition at line 136 of file lwgeom_functions_basic.c.

137 {
138  text *summary;
139  GSERIALIZED *g = PG_GETARG_GSERIALIZED_P(0);
141  char *lwresult = lwgeom_summary(lwg, 0);
142  uint32_t gver = gserialized_get_version(g);
143  size_t result_sz = strlen(lwresult) + 8;
144  char *result;
145  if (gver == 0)
146  {
147  result = lwalloc(result_sz + 2);
148  snprintf(result, result_sz, "0:%s", lwresult);
149  }
150  else
151  {
152  result = lwalloc(result_sz);
153  snprintf(result, result_sz, "%s", lwresult);
154  }
155  lwgeom_free(lwg);
156  lwfree(lwresult);
157 
158  /* create a text obj to return */
159  summary = cstring_to_text(result);
160  lwfree(result);
161 
162  PG_FREE_IF_COPY(g, 0);
163  PG_RETURN_TEXT_P(summary);
164 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:267
uint32_t gserialized_get_version(const GSERIALIZED *g)
Return the serialization version.
Definition: gserialized.c:42
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
char * lwgeom_summary(const LWGEOM *lwgeom, int offset)
Definition: lwgeom_debug.c:166
void lwfree(void *mem)
Definition: lwutil.c:242
void * lwalloc(size_t size)
Definition: lwutil.c:227

References gserialized_get_version(), lwalloc(), lwfree(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_summary(), and result.

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