SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayEnumerateUniqRanked (children 1)
     ExpressionList (children 5)
      Literal UInt64_1
      Literal Array_[Array_[UInt64_1, UInt64_2, UInt64_3], Array_[UInt64_2, UInt64_2, UInt64_1], Array_[UInt64_3]]
      Literal UInt64_2
      Literal Array_[Array_[\'a\', \'b\', \'a\'], Array_[\'a\', \'b\', \'a\'], Array_[\'c\']]
      Literal UInt64_2