int main(int argc, char* argv[]) {
CassCluster* cluster = NULL;
CassSession* session = cass_session_new();
CassFuture* close_future = NULL;
char* hosts = "127.0.0.1";
if (argc > 1) {
hosts = argv[1];
}
cluster = create_cluster(hosts);
if (connect_session(session, cluster) != CASS_OK) {
cass_cluster_free(cluster);
cass_session_free(session);
return -1;
}
execute_query(session,
"CREATE KEYSPACE examples WITH replication = { \
'class': 'SimpleStrategy', 'replication_factor': '3' };");
execute_query(session,
"CREATE TABLE examples.date_time (key text PRIMARY KEY, d date, t time)");
insert_into(session, "test");
select_from(session, "test");
close_future = cass_session_close(session);
cass_future_wait(close_future);
cass_future_free(close_future);
cass_cluster_free(cluster);
cass_session_free(session);
return 0;
}
static int select_and_print(DB * db, const char *tname,
col_t * cols, int ncol, cond_t * conds, int ncond)
{
table_t *t;
cursor_t *cur;
record_t *r;
int count;
int ret = 0;
int error, xerror;
if ((t = db_find_table(db, tname)) == NULL) {
xerrno = ERR_NOTABLE;
return -1;
}
for (int i = 0; i < ncol; i++) {
int k;
if ((k = table_find_col(t, cols[i].name)) < 0) {
xerrno = ERR_NOCOL;
return -1;
}
cols[i].type = t->cols[k].type;
cols[i].size = t->cols[k].size;
}
if (ncol == 0) {
ncol = t->ncols;
cols = t->cols;
}
int *width;
if ((width = calloc(ncol, sizeof(int))) == NULL) {
perror("out of memory");
return -1;
}
for (int i = 0; i < ncol; i++) {
int k = table_find_col(t, cols[i].name);
switch (t->cols[k].type) {
case TYPE_INT:
width[i] =
_max(INT_P_WIDTH, strlen(t->cols[k].name) + 1);
break;
case TYPE_FLOAT:
width[i] =
_max(FLOAT_P_WIDTH, strlen(t->cols[k].name) + 1);
break;
case TYPE_STRING:
width[i] =
_max(t->cols[k].size, strlen(t->cols[k].name) + 1);
break;
}
}
if ((cur = select_from(db, tname, conds, ncond)) == NULL) {
preserve_errno(free(width));
return -1;
}
print_thead(cols, ncol, width);
count = 0;
while ((r = select_next(db, cur)) != NULL) {
print_record(t, cols, ncol, r, width);
free_record(r);
count++;
}
if (select_error(cur)) {
error = errno;
xerror = xerrno;
ret = -1;
}
printf("Total %d %s\n\n", count, count > 1 ? "records" : "record");
free_cursor(cur);
free(width);
errno = error;
xerrno = xerror;
return ret;
}
