Package org.rocksdb

Examples of org.rocksdb.RocksDB.newIterator()


      db = RocksDB.open(options,
          dbFolder.getRoot().getAbsolutePath());
      db.put("key1".getBytes(), "value1".getBytes());
      db.put("key2".getBytes(), "value2".getBytes());

      iterator = db.newIterator();

      iterator.seekToFirst();
      assertThat(iterator.isValid()).isTrue();
      assertThat(iterator.key()).isEqualTo("key1".getBytes());
      assertThat(iterator.value()).isEqualTo("value1".getBytes());
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      options.setCreateIfMissing(true)
          .setCreateMissingColumnFamilies(true);
      db = RocksDB.open(options,
          dbFolder.getRoot().getAbsolutePath());
      db.put("key".getBytes(), "value".getBytes());
      db.newIterator();
      db.newIterator();
      RocksIterator iter3 = db.newIterator();
      db.close();
      db = null;
      System.gc();
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          .setCreateMissingColumnFamilies(true);
      db = RocksDB.open(options,
          dbFolder.getRoot().getAbsolutePath());
      db.put("key".getBytes(), "value".getBytes());
      db.newIterator();
      db.newIterator();
      RocksIterator iter3 = db.newIterator();
      db.close();
      db = null;
      System.gc();
      System.runFinalization();
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      db = RocksDB.open(options,
          dbFolder.getRoot().getAbsolutePath());
      db.put("key".getBytes(), "value".getBytes());
      db.newIterator();
      db.newIterator();
      RocksIterator iter3 = db.newIterator();
      db.close();
      db = null;
      System.gc();
      System.runFinalization();
      iter3.dispose();
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