Examples with UntypedResultSet org.apache.cassandra.cql3.UntypedResultSet used on opensource projects

Example 36 with UntypedResultSet

use of org.apache.cassandra.cql3.UntypedResultSet in project cassandra by apache.

the class SystemKeyspace method getBuiltIndexes.

public static List<String> getBuiltIndexes(String keyspaceName, Set<String> indexNames) {
    List<String> names = new ArrayList<>(indexNames);
    String req = "SELECT index_name from %s.\"%s\" WHERE table_name=? AND index_name IN ?";
    UntypedResultSet results = executeInternal(format(req, SchemaConstants.SYSTEM_KEYSPACE_NAME, BUILT_INDEXES), keyspaceName, names);
    return StreamSupport.stream(results.spliterator(), false).map(r -> r.getString("index_name")).collect(Collectors.toList());
}

Example 37 with UntypedResultSet

use of org.apache.cassandra.cql3.UntypedResultSet in project cassandra by apache.

the class SystemKeyspace method getAvailableRanges.

public static synchronized Set<Range<Token>> getAvailableRanges(String keyspace, IPartitioner partitioner) {
    Set<Range<Token>> result = new HashSet<>();
    String query = "SELECT * FROM system.%s WHERE keyspace_name=?";
    UntypedResultSet rs = executeInternal(format(query, AVAILABLE_RANGES), keyspace);
    for (UntypedResultSet.Row row : rs) {
        Set<ByteBuffer> rawRanges = row.getSet("ranges", BytesType.instance);
        for (ByteBuffer rawRange : rawRanges) {
            result.add(byteBufferToRange(rawRange, partitioner));
        }
    }
    return ImmutableSet.copyOf(result);
}

Example 38 with UntypedResultSet

use of org.apache.cassandra.cql3.UntypedResultSet in project cassandra by apache.

the class SystemKeyspace method isIndexBuilt.

public static boolean isIndexBuilt(String keyspaceName, String indexName) {
    String req = "SELECT index_name FROM %s.\"%s\" WHERE table_name=? AND index_name=?";
    UntypedResultSet result = executeInternal(format(req, SchemaConstants.SYSTEM_KEYSPACE_NAME, BUILT_INDEXES), keyspaceName, indexName);
    return !result.isEmpty();
}

Example 39 with UntypedResultSet

use of org.apache.cassandra.cql3.UntypedResultSet in project cassandra by apache.

the class LocalSessions method start.

/**
     * Loads sessions out of the repairs table and sets state to started
     */
public synchronized void start() {
    Preconditions.checkArgument(!started, "LocalSessions.start can only be called once");
    Preconditions.checkArgument(sessions.isEmpty(), "No sessions should be added before start");
    UntypedResultSet rows = QueryProcessor.executeInternalWithPaging(String.format("SELECT * FROM %s.%s", keyspace, table), 1000);
    Map<UUID, LocalSession> loadedSessions = new HashMap<>();
    for (UntypedResultSet.Row row : rows) {
        try {
            LocalSession session = load(row);
            loadedSessions.put(session.sessionID, session);
        } catch (IllegalArgumentException | NullPointerException e) {
            logger.warn("Unable to load malformed repair session {}, ignoring", row.has("parent_id") ? row.getUUID("parent_id") : null);
        }
    }
    sessions = ImmutableMap.copyOf(loadedSessions);
    started = true;
}

Example 40 with UntypedResultSet

use of org.apache.cassandra.cql3.UntypedResultSet in project cassandra by apache.

the class SystemKeyspace method getPreferredIP.

/**
     * Get preferred IP for given endpoint if it is known. Otherwise this returns given endpoint itself.
     *
     * @param ep endpoint address to check
     * @return Preferred IP for given endpoint if present, otherwise returns given ep
     */
public static InetAddress getPreferredIP(InetAddress ep) {
    String req = "SELECT preferred_ip FROM system.%s WHERE peer=?";
    UntypedResultSet result = executeInternal(format(req, PEERS), ep);
    if (!result.isEmpty() && result.one().has("preferred_ip"))
        return result.one().getInetAddress("preferred_ip");
    return ep;
}