Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 5)
     Function uniq (children 1)
      ExpressionList (children 1)
       Function bitNot (children 1)
        ExpressionList (children 1)
         Function negate (children 1)
          ExpressionList (children 1)
           Identifier x
     Function uniqExact (children 1)
      ExpressionList (children 1)
       Function bitNot (children 1)
        ExpressionList (children 1)
         Function negate (children 1)
          ExpressionList (children 1)
           Identifier x
     Function uniqHLL12 (children 1)
      ExpressionList (children 1)
       Function bitNot (children 1)
        ExpressionList (children 1)
         Function negate (children 1)
          ExpressionList (children 1)
           Identifier x
     Function uniqCombined (children 1)
      ExpressionList (children 1)
       Function bitNot (children 1)
        ExpressionList (children 1)
         Function negate (children 1)
          ExpressionList (children 1)
           Identifier x
     Function uniqCombined64 (children 1)
      ExpressionList (children 1)
       Function bitNot (children 1)
        ExpressionList (children 1)
         Function negate (children 1)
          ExpressionList (children 1)
           Identifier x
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 2)
           ExpressionList (children 1)
            Function modulo (alias x) (children 1)
             ExpressionList (children 2)
              Identifier number
              Literal UInt64_2
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              Function numbers (children 1)
               ExpressionList (children 1)
                Literal UInt64_10
