SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier constCondOptimization
   Function and (children 1)
    ExpressionList (children 2)
     Function if (children 1)
      ExpressionList (children 3)
       Literal UInt64_0
       Literal UInt64_1
       Function equals (children 1)
        ExpressionList (children 2)
         Identifier n
         Literal UInt64_1000
     Function equals (children 1)
      ExpressionList (children 2)
       Literal UInt64_1
       Literal UInt64_1