Package org.apache.cassandra.cql3

Examples of org.apache.cassandra.cql3.UntypedResultSet.one()

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            }
        }

        // Ensure that no stray mutations got somehow applied.
        UntypedResultSet result = QueryProcessor.processInternal(String.format("SELECT count(*) FROM \"Keyspace1\".\"Standard1\""));
        assertEquals(500, result.one().getLong("count"));
    }
}
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        if (result.isEmpty())
            return;

        try
        {
            UntypedResultSet.Row batch = result.one();
            replaySerializedMutations(batch.getBytes("data"), batch.getLong("written_at"));
        }
        catch (IOException e)
        {
            logger.warn("Skipped batch replay of {} due to {}", id, e);
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        {
            logger.warn("CassandraAuthorizer failed to authorize {} for {}", user, resource);
            return Permission.NONE;
        }

        if (result.isEmpty() || !result.one().has(PERMISSIONS))
            return Permission.NONE;

        Set<Permission> permissions = EnumSet.noneOf(Permission.class);
        for (String perm : result.one().getSet(PERMISSIONS, UTF8Type.instance))
            permissions.add(Permission.valueOf(perm));
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        if (result.isEmpty() || !result.one().has(PERMISSIONS))
            return Permission.NONE;

        Set<Permission> permissions = EnumSet.noneOf(Permission.class);
        for (String perm : result.one().getSet(PERMISSIONS, UTF8Type.instance))
            permissions.add(Permission.valueOf(perm));
        return permissions;
    }

    public void grant(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, String to)
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        catch (RequestExecutionException e)
        {
            throw new AuthenticationException(e.toString());
        }

        if (result.isEmpty() || !BCrypt.checkpw(password, result.one().getString(SALTED_HASH)))
            throw new AuthenticationException("Username and/or password are incorrect");

        return new AuthenticatedUser(username);
    }
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     * @return true is the user is a superuser, false if they aren't or don't exist at all.
     */
    public static boolean isSuperuser(String username)
    {
        UntypedResultSet result = selectUser(username);
        return !result.isEmpty() && result.one().getBoolean("super");
    }

    /**
     * Inserts the user into AUTH_KS.USERS_CF (or overwrites their superuser status as a result of an ALTER USER query).
     *
 
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    {
        String req = "SELECT * FROM system.%s WHERE row_key = 0x%s AND cf_id = %s";
        UntypedResultSet results = processInternal(String.format(req, PAXOS_CF, ByteBufferUtil.bytesToHex(key), metadata.cfId));
        if (results.isEmpty())
            return new PaxosState(key, metadata);
        UntypedResultSet.Row row = results.one();
        Commit promised = row.has("in_progress_ballot")
                        ? new Commit(key, row.getUUID("in_progress_ballot"), EmptyColumns.factory.create(metadata))
                        : Commit.emptyCommit(key, metadata);
        // either we have both a recently accepted ballot and update or we have neither
        Commit accepted = row.has("proposal")
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                                                                 generation));

        if (results.isEmpty())
            return new RestorableMeter();

        UntypedResultSet.Row row = results.one();
        double m15rate = row.getDouble("rate_15m");
        double m120rate = row.getDouble("rate_120m");
        return new RestorableMeter(m15rate, m120rate);
    }
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        String req = "SELECT truncated_at FROM system.%s WHERE key = '%s'";
        UntypedResultSet rows = processInternal(String.format(req, LOCAL_CF, LOCAL_KEY));
        if (rows.isEmpty())
            return Collections.emptyMap();

        UntypedResultSet.Row row = rows.one();
        Map<UUID, ByteBuffer> rawMap = row.getMap("truncated_at", UUIDType.instance, BytesType.instance);
        if (rawMap == null)
            return Collections.emptyMap();

        Map<UUID, Pair<ReplayPosition, Long>> positions = new HashMap<UUID, Pair<ReplayPosition, Long>>();
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    public static InetAddress getPreferredIP(InetAddress ep)
    {
        String req = "SELECT preferred_ip FROM system.%s WHERE peer='%s'";
        UntypedResultSet result = processInternal(String.format(req, PEERS_CF, ep.getHostAddress()));
        if (!result.isEmpty() && result.one().has("preferred_ip"))
            return result.one().getInetAddress("preferred_ip");
        return null;
    }

    /**
 
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