@Override
    public OperationHandle getSchemas(SessionHandle sessionHandle, String catalogName, String schemaName)
      throws HiveSQLException {
      return cliService.getSchemas(sessionHandle, catalogName, schemaName);
    }
RetryingThriftCLIServiceClient. Creates a proxy for a CLIServiceClient
implementation and retries calls to it on failure.
service/src/java/org/apache/hive/service/cli/thrift/RetryingThriftCLIServiceClient.java