SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function compareSubstrings (children 1)
     ExpressionList (children 5)
      Literal \'abd\'
      Literal \'abc\'
      Literal UInt64_0
      Literal UInt64_0
      Literal UInt64_3
