int output_gazetteer_t::relation_delete(osmid_t id)
{
/* Make sure we are in slim mode */
require_slim_mode();
/* Delete all references to this relation */
delete_place('R', id);
return 0;
}
void output_gazetteer_t::delete_unused_classes(char osm_type, osmid_t osm_id) {
char tmp2[2];
tmp2[0] = osm_type; tmp2[1] = '\0';
char const *paramValues[2];
paramValues[0] = tmp2;
paramValues[1] = (single_fmt % osm_id).str().c_str();
PGresult *res = pgsql_execPrepared(ConnectionDelete, "get_classes", 2,
paramValues, PGRES_TUPLES_OK);
int sz = PQntuples(res);
if (sz > 0 && !places.has_data()) {
PQclear(res);
/* unconditional delete of all places */
delete_place(osm_type, osm_id);
} else {
std::string clslist;
for (int i = 0; i < sz; i++) {
std::string cls(PQgetvalue(res, i, 0));
if (!places.has_place(cls)) {
clslist.reserve(clslist.length() + cls.length() + 3);
if (!clslist.empty())
clslist += ',';
clslist += '\'';
clslist += cls;
clslist += '\'';
}
}
PQclear(res);
if (!clslist.empty()) {
/* Stop any active copy */
stop_copy();
/* Delete all places for this object */
pgsql_exec(Connection, PGRES_COMMAND_OK,
"DELETE FROM place WHERE osm_type = '%c' AND osm_id = %"
PRIdOSMID " and class = any(ARRAY[%s])",
osm_type, osm_id, clslist.c_str());
}
}
}
