Examples with RocksDBSstSessions com.baidu.hugegraph.backend.store.rocksdbsst.RocksDBSstSessions used on opensource projects

Example 1 with RocksDBSstSessions

use of com.baidu.hugegraph.backend.store.rocksdbsst.RocksDBSstSessions in project incubator-hugegraph by apache.

the class RocksDBSessionsTest method testIngestSst.

@Test
public void testIngestSst() throws RocksDBException {
    HugeConfig config = FakeObjects.newConfig();
    String sstPath = DB_PATH + "/sst";
    config.addProperty(RocksDBOptions.SST_PATH.name(), sstPath);
    RocksDBSstSessions sstSessions = new RocksDBSstSessions(config, "sst", "store", sstPath);
    final String TABLE1 = "test-table1";
    final String TABLE2 = "test-table2";
    sstSessions.createTable(TABLE1);
    Assert.assertEquals(1, sstSessions.openedTables().size());
    sstSessions.createTable(TABLE2);
    Assert.assertEquals(2, sstSessions.openedTables().size());
    Assert.assertTrue(sstSessions.existsTable(TABLE1));
    Assert.assertTrue(sstSessions.existsTable(TABLE2));
    // Write some data to sst file
    for (int i = 0; i < 1000; i++) {
        String k = String.format("%03d", i);
        sstSessions.session().put(TABLE1, getBytes("person:" + k), getBytes("James" + i));
    }
    for (int i = 0; i < 2000; i++) {
        String k = String.format("%04d", i);
        sstSessions.session().put(TABLE2, getBytes("book:" + k), getBytes("Java" + i));
    }
    sstSessions.session().commit();
    sstSessions.close();
    sstSessions.dropTable(TABLE1);
    sstSessions.dropTable(TABLE2);
    Assert.assertEquals(0, sstSessions.openedTables().size());
    Assert.assertFalse(sstSessions.existsTable(TABLE1));
    Assert.assertFalse(sstSessions.existsTable(TABLE2));
    RocksDBSessions rocks = new RocksDBStdSessions(config, "db", "store", sstPath, sstPath);
    // Will ingest sst file of TABLE1
    rocks.createTable(TABLE1);
    Assert.assertEquals(ImmutableList.of("1000"), rocks.property(RocksDBMetrics.KEY_NUM_KEYS));
    String value = getString(rocks.session().get(TABLE1, getBytes("person:001")));
    Assert.assertEquals("James1", value);
    value = getString(rocks.session().get(TABLE1, getBytes("person:010")));
    Assert.assertEquals("James10", value);
    value = getString(rocks.session().get(TABLE1, getBytes("person:999")));
    Assert.assertEquals("James999", value);
    // Will ingest sst file of TABLE2
    rocks.createTable(TABLE2);
    Assert.assertEquals(ImmutableList.of("1000", "2000"), rocks.property(RocksDBMetrics.KEY_NUM_KEYS));
    value = getString(rocks.session().get(TABLE2, getBytes("book:0001")));
    Assert.assertEquals("Java1", value);
    value = getString(rocks.session().get(TABLE2, getBytes("book:0010")));
    Assert.assertEquals("Java10", value);
    value = getString(rocks.session().get(TABLE2, getBytes("book:0999")));
    Assert.assertEquals("Java999", value);
    value = getString(rocks.session().get(TABLE2, getBytes("book:1999")));
    Assert.assertEquals("Java1999", value);
}