rtree/retrieveAllZipcode.c

static RDM_RETCODE retrieveAllZipCode (RDM_DB db)
{
RDM_RETCODE rc = sOKAY;
RDM_CURSOR cursor = NULL;
 POINTSOFINTEREST poi = {0};
RDM_RTREE_KEY key = {0};
 
/* Set key lookup information */

 key.type = RDM_RTREE_ALL; /* Lookup all values in the R-tree */
 
/* Start an update transaction */

 rc = rdm_dbStartRead (db, RDM_LOCK_ALL, 0, NULL);
if (rc == sOKAY)
 {
/* Get a cursor based on the r-tree key information */

 rc = rdm_dbGetRowsByKeyInRtreeKeyRange (
 db, KEY_POINTSOFINTEREST_LOCATION, &key, &cursor);
if (rc == sOKAY)
 {
/* Move to the first (should be only) row in the cursor */

 rc = rdm_cursorMoveToFirst (cursor);
while (rc == sOKAY)
 {
/* Read the row */

 rc = rdm_cursorReadRow (
 cursor, &poi, sizeof (POINTSOFINTEREST), NULL);
 
if (rc == sOKAY)
 {
 rc = rdm_cursorMoveToNext (cursor);
 }
 }
 
/* We expect to break out of the while loop with sENDOFCURSOR */

if (rc == sENDOFCURSOR)
 {
 rc = sOKAY;
 }
 
/* Free the cursor */

 (void) rdm_cursorFree (cursor);
 }
 
/* End the read transaction (free locks) */

 (void) rdm_dbEnd (db);
 }
 
return rc;
}