UpdateQuery  testing (children 3)
 Identifier testing
 Literal UInt64_1
 ExpressionList (children 2)
  Assignment c (children 1)
   Function plus (children 1)
    ExpressionList (children 2)
     Identifier c
     Literal UInt64_1
  Assignment d (children 1)
   Function plus (children 1)
    ExpressionList (children 2)
     Identifier d
     Literal UInt64_2
