Examples with ResultMessage org.apache.cassandra.transport.messages.ResultMessage used on opensource projects

Example 6 with ResultMessage

use of org.apache.cassandra.transport.messages.ResultMessage in project cassandra by apache.

the class CustomPayloadMirroringQueryHandler method processPrepared.

public ResultMessage processPrepared(CQLStatement statement, QueryState state, QueryOptions options, Map<String, ByteBuffer> customPayload, long queryStartNanoTime) {
    ResultMessage result = queryProcessor.processPrepared(statement, state, options, customPayload, queryStartNanoTime);
    result.setCustomPayload(customPayload);
    return result;
}

Example 7 with ResultMessage

use of org.apache.cassandra.transport.messages.ResultMessage in project cassandra by apache.

the class QueryProcessor method executeOnceInternal.

/**
     * Same than executeInternal, but to use for queries we know are only executed once so that the
     * created statement object is not cached.
     */
public static UntypedResultSet executeOnceInternal(String query, Object... values) {
    ParsedStatement.Prepared prepared = parseStatement(query, internalQueryState());
    prepared.statement.validate(internalQueryState().getClientState());
    ResultMessage result = prepared.statement.executeInternal(internalQueryState(), makeInternalOptions(prepared, values));
    if (result instanceof ResultMessage.Rows)
        return UntypedResultSet.create(((ResultMessage.Rows) result).result);
    else
        return null;
}

Example 8 with ResultMessage

use of org.apache.cassandra.transport.messages.ResultMessage in project cassandra by apache.

the class QueryProcessor method executeInternal.

public static UntypedResultSet executeInternal(String query, Object... values) {
    ParsedStatement.Prepared prepared = prepareInternal(query);
    ResultMessage result = prepared.statement.executeInternal(internalQueryState(), makeInternalOptions(prepared, values));
    if (result instanceof ResultMessage.Rows)
        return UntypedResultSet.create(((ResultMessage.Rows) result).result);
    else
        return null;
}

Example 9 with ResultMessage

use of org.apache.cassandra.transport.messages.ResultMessage in project cassandra by apache.

the class SchemaAlteringStatement method execute.

public ResultMessage execute(QueryState state, QueryOptions options, long queryStartNanoTime) throws RequestValidationException {
    // If an IF [NOT] EXISTS clause was used, this may not result in an actual schema change.  To avoid doing
    // extra work in the drivers to handle schema changes, we return an empty message in this case. (CASSANDRA-7600)
    Event.SchemaChange ce = announceMigration(state, false);
    if (ce == null)
        return new ResultMessage.Void();
    // when a schema alteration results in a new db object being created, we grant permissions on the new
    // object to the user performing the request if:
    // * the user is not anonymous
    // * the configured IAuthorizer supports granting of permissions (not all do, AllowAllAuthorizer doesn't and
    //   custom external implementations may not)
    AuthenticatedUser user = state.getClientState().getUser();
    if (user != null && !user.isAnonymous() && ce.change == Event.SchemaChange.Change.CREATED) {
        try {
            grantPermissionsToCreator(state);
        } catch (UnsupportedOperationException e) {
        // not a problem, grant is an optional method on IAuthorizer
        }
    }
    return new ResultMessage.SchemaChange(ce);
}