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

Example 11 with QueryFilter

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

the class Migration method getLastMigrationId.

public static UUID getLastMigrationId() {
    DecoratedKey<?> dkey = StorageService.getPartitioner().decorateKey(LAST_MIGRATION_KEY);
    Table defs = Table.open(Table.SYSTEM_TABLE);
    ColumnFamilyStore cfStore = defs.getColumnFamilyStore(SCHEMA_CF);
    QueryFilter filter = QueryFilter.getNamesFilter(dkey, new QueryPath(SCHEMA_CF), LAST_MIGRATION_KEY);
    ColumnFamily cf = cfStore.getColumnFamily(filter);
    if (cf == null || cf.getColumnNames().size() == 0)
        return null;
    else
        return UUIDGen.getUUID(cf.getColumn(LAST_MIGRATION_KEY).value());
}

Example 12 with QueryFilter

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

the class CompactionsTest method testDontPurgeAccidentaly.

private void testDontPurgeAccidentaly(String k, String cfname, boolean forceDeserialize) throws IOException, ExecutionException, InterruptedException {
    // This test catches the regression of CASSANDRA-2786
    Table table = Table.open(TABLE1);
    ColumnFamilyStore store = table.getColumnFamilyStore(cfname);
    // disable compaction while flushing
    store.clearUnsafe();
    store.disableAutoCompaction();
    // Add test row
    DecoratedKey key = Util.dk(k);
    RowMutation rm = new RowMutation(TABLE1, key.key);
    rm.add(new QueryPath(cfname, ByteBufferUtil.bytes("sc"), ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
    rm.apply();
    store.forceBlockingFlush();
    Collection<SSTableReader> sstablesBefore = store.getSSTables();
    QueryFilter filter = QueryFilter.getIdentityFilter(key, new QueryPath(cfname, null, null));
    assert !store.getColumnFamily(filter).isEmpty();
    // Remove key
    rm = new RowMutation(TABLE1, key.key);
    rm.delete(new QueryPath(cfname, null, null), 2);
    rm.apply();
    ColumnFamily cf = store.getColumnFamily(filter);
    assert cf == null || cf.isEmpty() : "should be empty: " + cf;
    store.forceBlockingFlush();
    Collection<SSTableReader> sstablesAfter = store.getSSTables();
    Collection<SSTableReader> toCompact = new ArrayList<SSTableReader>();
    for (SSTableReader sstable : sstablesAfter) if (!sstablesBefore.contains(sstable))
        toCompact.add(sstable);
    Util.compact(store, toCompact, forceDeserialize);
    cf = store.getColumnFamily(filter);
    assert cf == null || cf.isEmpty() : "should be empty: " + cf;
}

Example 13 with QueryFilter

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

the class SSTableImportTest method testImportSimpleCf.

@Test
public void testImportSimpleCf() throws IOException, URISyntaxException {
    // Import JSON to temp SSTable file
    String jsonUrl = resourcePath("SimpleCF.json");
    File tempSS = tempSSTableFile("Keyspace1", "Standard1");
    SSTableImport.importJson(jsonUrl, "Keyspace1", "Standard1", tempSS.getPath());
    // Verify results
    SSTableReader reader = SSTableReader.open(Descriptor.fromFilename(tempSS.getPath()));
    QueryFilter qf = QueryFilter.getIdentityFilter(Util.dk("rowA"), new QueryPath("Standard1"));
    IColumnIterator iter = qf.getSSTableColumnIterator(reader);
    ColumnFamily cf = iter.getColumnFamily();
    while (iter.hasNext()) cf.addColumn(iter.next());
    assert cf.getColumn(ByteBufferUtil.bytes("colAA")).value().equals(hexToBytes("76616c4141"));
    assert !(cf.getColumn(ByteBufferUtil.bytes("colAA")) instanceof DeletedColumn);
    IColumn expCol = cf.getColumn(ByteBufferUtil.bytes("colAC"));
    assert expCol.value().equals(hexToBytes("76616c4143"));
    assert expCol instanceof ExpiringColumn;
    assert ((ExpiringColumn) expCol).getTimeToLive() == 42 && expCol.getLocalDeletionTime() == 2000000000;
}

Example 14 with QueryFilter

use of org.apache.cassandra.db.filter.QueryFilter in project stargate-core by tuplejump.

the class RowIndexSupport method loadOldRow.

private void loadOldRow(DecoratedKey dk, ByteBuffer pkBuf, List<Field> fields) {
    CellName clusteringKey = tableMapper.makeClusteringKey(pkBuf);
    Composite start = tableMapper.start(clusteringKey);
    Composite end = tableMapper.end(start);
    ColumnSlice columnSlice = new ColumnSlice(start, end);
    SliceQueryFilter sliceQueryFilter = new SliceQueryFilter(columnSlice, false, Integer.MAX_VALUE);
    QueryFilter queryFilter = new QueryFilter(dk, tableMapper.table.name, sliceQueryFilter, new Date().getTime());
    ColumnFamily columnFamily = tableMapper.table.getColumnFamily(queryFilter);
    Map<CellName, ColumnFamily> fullSlice = tableMapper.getRows(columnFamily);
    ColumnFamily oldDocument = fullSlice.get(clusteringKey);
    for (Cell cell : oldDocument) {
        CellName cellName = cell.name();
        ColumnIdentifier cql3ColName = cellName.cql3ColumnName(tableMapper.cfMetaData);
        String actualColName = cql3ColName.toString();
        ColumnDefinition columnDefinition = tableMapper.cfMetaData.getColumnDefinition(cql3ColName);
        if (options.shouldIndex(actualColName)) {
            addFields(cell, actualColName, columnDefinition, fields);
        }
    }
}

Example 15 with QueryFilter

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

the class RowRepairResolver method resolveSuperset.

static ColumnFamily resolveSuperset(Iterable<ColumnFamily> versions) {
    assert Iterables.size(versions) > 0;
    ColumnFamily resolved = null;
    for (ColumnFamily cf : versions) {
        if (cf == null)
            continue;
        if (resolved == null)
            resolved = cf.cloneMeShallow();
        else
            resolved.delete(cf);
    }
    if (resolved == null)
        return null;
    // mimic the collectCollatedColumn + removeDeleted path that getColumnFamily takes.
    // this will handle removing columns and subcolumns that are supressed by a row or
    // supercolumn tombstone.
    QueryFilter filter = new QueryFilter(null, new QueryPath(resolved.metadata().cfName), new IdentityQueryFilter());
    List<CloseableIterator<IColumn>> iters = new ArrayList<CloseableIterator<IColumn>>();
    for (ColumnFamily version : versions) {
        if (version == null)
            continue;
        iters.add(FBUtilities.closeableIterator(version.iterator()));
    }
    filter.collateColumns(resolved, iters, Integer.MIN_VALUE);
    return ColumnFamilyStore.removeDeleted(resolved, Integer.MIN_VALUE);
}