Examples with QueryFilter org.apache.cassandra.db.filter.QueryFilter used on opensource projects

Example 21 with QueryFilter

use of org.apache.cassandra.db.filter.QueryFilter in project eiger by wlloyd.

the class SystemTable method isIndexBuilt.

public static boolean isIndexBuilt(String table, String indexName) {
    ColumnFamilyStore cfs = Table.open(Table.SYSTEM_TABLE).getColumnFamilyStore(INDEX_CF);
    QueryFilter filter = QueryFilter.getNamesFilter(decorate(ByteBufferUtil.bytes(table)), new QueryPath(INDEX_CF), ByteBufferUtil.bytes(indexName));
    return ColumnFamilyStore.removeDeleted(cfs.getColumnFamily(filter), Integer.MAX_VALUE) != null;
}

Example 22 with QueryFilter

use of org.apache.cassandra.db.filter.QueryFilter in project eiger by wlloyd.

the class SystemTable method getSavedToken.

public static Token getSavedToken() {
    Table table = Table.open(Table.SYSTEM_TABLE);
    QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), TOKEN);
    ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
    return cf == null ? null : StorageService.getPartitioner().getTokenFactory().fromByteArray(cf.getColumn(TOKEN).value());
}

Example 23 with QueryFilter

use of org.apache.cassandra.db.filter.QueryFilter in project eiger by wlloyd.

the class SSTableExportTest method testRoundTripStandardCf.

@Test
public void testRoundTripStandardCf() throws IOException, ParseException {
    File tempSS = tempSSTableFile("Keyspace1", "Standard1");
    ColumnFamily cfamily = ColumnFamily.create("Keyspace1", "Standard1");
    SSTableWriter writer = new SSTableWriter(tempSS.getPath(), 2);
    // Add rowA
    cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("name")), ByteBufferUtil.bytes("val"), System.currentTimeMillis());
    writer.append(Util.dk("rowA"), cfamily);
    cfamily.clear();
    // Add rowExclude
    cfamily.addColumn(new QueryPath("Standard1", null, ByteBufferUtil.bytes("name")), ByteBufferUtil.bytes("val"), System.currentTimeMillis());
    writer.append(Util.dk("rowExclude"), cfamily);
    cfamily.clear();
    SSTableReader reader = writer.closeAndOpenReader();
    // Export to JSON and verify
    File tempJson = File.createTempFile("Standard1", ".json");
    SSTableExport.export(reader, new PrintStream(tempJson.getPath()), new String[] { asHex("rowExclude") });
    // Import JSON to another SSTable file
    File tempSS2 = tempSSTableFile("Keyspace1", "Standard1");
    SSTableImport.importJson(tempJson.getPath(), "Keyspace1", "Standard1", tempSS2.getPath());
    reader = SSTableReader.open(Descriptor.fromFilename(tempSS2.getPath()));
    QueryFilter qf = QueryFilter.getNamesFilter(Util.dk("rowA"), new QueryPath("Standard1", null, null), ByteBufferUtil.bytes("name"));
    ColumnFamily cf = qf.getSSTableColumnIterator(reader).getColumnFamily();
    assertTrue(cf != null);
    assertTrue(cf.getColumn(ByteBufferUtil.bytes("name")).value().equals(hexToBytes("76616c")));
    qf = QueryFilter.getNamesFilter(Util.dk("rowExclude"), new QueryPath("Standard1", null, null), ByteBufferUtil.bytes("name"));
    cf = qf.getSSTableColumnIterator(reader).getColumnFamily();
    assert cf == null;
}

Example 24 with QueryFilter

use of org.apache.cassandra.db.filter.QueryFilter in project eiger by wlloyd.

the class SSTableImportTest method testImportSuperCf.

@Test
public void testImportSuperCf() throws IOException, ParseException, URISyntaxException {
    String jsonUrl = resourcePath("SuperCF.json");
    File tempSS = tempSSTableFile("Keyspace1", "Super4");
    SSTableImport.importJson(jsonUrl, "Keyspace1", "Super4", tempSS.getPath());
    // Verify results
    SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
    QueryFilter qf = QueryFilter.getNamesFilter(Util.dk("rowA"), new QueryPath("Super4", null, null), ByteBufferUtil.bytes("superA"));
    ColumnFamily cf = qf.getSSTableColumnIterator(reader).getColumnFamily();
    IColumn superCol = cf.getColumn(ByteBufferUtil.bytes("superA"));
    assert superCol != null;
    assert superCol.getSubColumns().size() > 0;
    IColumn subColumn = superCol.getSubColumn(ByteBufferUtil.bytes("636f6c4141"));
    assert subColumn.value().equals(hexToBytes("76616c75654141"));
}

Example 25 with QueryFilter

use of org.apache.cassandra.db.filter.QueryFilter in project eiger by wlloyd.

the class SSTableImportTest method testImportCounterCf.

@Test
public void testImportCounterCf() throws IOException, URISyntaxException {
    // Import JSON to temp SSTable file
    String jsonUrl = resourcePath("CounterCF.json");
    File tempSS = tempSSTableFile("Keyspace1", "Counter1");
    SSTableImport.importJson(jsonUrl, "Keyspace1", "Counter1", tempSS.getPath());
    // Verify results
    SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
    QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), new QueryPath("Counter1"));
    IColumnIterator iter = qf.getSSTableColumnIterator(reader);
    ColumnFamily cf = iter.getColumnFamily();
    while (iter.hasNext()) cf.addColumn(iter.next());
    IColumn c = cf.getColumn(ByteBufferUtil.bytes("colAA"));
    assert c instanceof CounterColumn : c;
    assert ((CounterColumn) c).total() == 42;
}