int main(int argc,char * argv[])
{
- int i = 0, rc;
+ int i = 0, j = 0, rc;
MDB_env *env;
MDB_db *db;
MDB_val key, data;
MDB_txn *txn;
MDB_stat *mst;
+ MDB_cursor *cursor;
int count;
int *values;
char sval[32];
srandom(time(NULL));
- count = random()%512;
+ count = (random()%384) + 64;
values = (int *)malloc(count*sizeof(int));
for(i = 0;i<count;i++) {
data.mv_size = sizeof(sval);
data.mv_data = sval;
+ printf("Adding %d values\n", count);
for (i=0;i<count;i++) {
sprintf(sval, "%03x %d foo bar", values[i], values[i]);
- mdb_put(db, txn, &key, &data, 0);
- }
+ rc = mdb_put(db, txn, &key, &data, MDB_NOOVERWRITE);
+ if (rc) j++;
+ }
+ if (j) printf("%d duplicates skipped\n", j);
rc = mdb_txn_commit(txn);
rc = mdbenv_stat(env, &mst);
+ rc = mdb_cursor_open(db, NULL, &cursor);
+ while (rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT) == 0) {
+ printf("key: %.*s, data: %.*s\n",
+ key.mv_size, key.mv_data, data.mv_size, data.mv_data);
+ }
+ mdb_cursor_close(cursor);
+
+ j=0;
for (i= count - 1; i > -1; i-= (random()%5)) {
+ j++;
rc = mdb_txn_begin(env, 0, &txn);
+ key.mv_data = sval;
sprintf(sval, "%03x ", values[i]);
rc = mdb_del(db, txn, &key, NULL);
- rc = mdb_txn_commit(txn);
+ if (rc) {
+ j--;
+ mdb_txn_abort(txn);
+ } else {
+ rc = mdb_txn_commit(txn);
+ }
}
free(values);
+ printf("Deleted %d values\n", j);
+
rc = mdbenv_stat(env, &mst);
+ rc = mdb_cursor_open(db, NULL, &cursor);
+ while (rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT) == 0) {
+ printf("key: %.*s, data: %.*s\n",
+ key.mv_size, key.mv_data, data.mv_size, data.mv_data);
+ }
+ mdb_cursor_close(cursor);
+
mdb_close(db);
mdbenv_close(env);