SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function map (alias m) (children 1)
     ExpressionList (children 4)
      Literal UInt64_1
      Literal UInt64_2
      Literal UInt64_3
      Literal NULL
   ExpressionList (children 3)
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier m
      Literal UInt64_1
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier m
      Literal UInt64_2
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Identifier m
      Literal UInt64_3