+#if 0
+ /* write ops aren't coordinated with cursors,
+ * this stuff all breaks
+ */
+ printf("Deleting with cursor\n");
+ rc = mdb_txn_begin(env, 0, &txn);
+ rc = mdb_cursor_open(db, txn, &cur2);
+ for (i=0; i<50; i++) {
+ rc = mdb_cursor_get(cur2, &key, &data, MDB_NEXT);
+ printf("key: %p %.*s, data: %p %.*s\n",
+ key.mv_data, key.mv_size, key.mv_data, data.mv_data, data.mv_size, data.mv_data);
+ rc = mdb_del(db, txn, &key, NULL);
+ }
+
+ printf("Restarting cursor in txn\n");
+ rc = mdb_cursor_get(cur2, &key, &data, MDB_FIRST);
+ printf("key: %p %.*s, data: %p %.*s\n",
+ key.mv_data, key.mv_size, key.mv_data, data.mv_data, data.mv_size, data.mv_data);
+ for (i=0; i<32; i++) {
+ rc = mdb_cursor_get(cur2, &key, &data, MDB_NEXT);
+ printf("key: %p %.*s, data: %p %.*s\n",
+ key.mv_data, key.mv_size, key.mv_data, data.mv_data, data.mv_size, data.mv_data);
+ }
+ mdb_cursor_close(cur2);
+ rc = mdb_txn_commit(txn);
+ mdb_cursor_close(cursor);
+ printf("Restarting cursor outside txn\n");
+ rc = mdb_cursor_open(db, NULL, &cursor);
+ rc = mdb_cursor_get(cursor, &key, &data, MDB_FIRST);
+ printf("key: %p %.*s, data: %p %.*s\n",
+ key.mv_data, key.mv_size, key.mv_data, data.mv_data, data.mv_size, data.mv_data);
+ for (i=0; i<32; i++) {
+ rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT);
+ printf("key: %p %.*s, data: %p %.*s\n",
+ key.mv_data, key.mv_size, key.mv_data, data.mv_data, data.mv_size, data.mv_data);
+ }
+#endif