CreateQuery basic (children 3)
 Identifier basic
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 4)
     Identifier CounterID
     Identifier StartDate
     Function sumState (alias Visits) (children 1)
      ExpressionList (children 1)
       Identifier Sign
     Function uniqState (alias Users) (children 1)
      ExpressionList (children 1)
       Identifier UserID
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier visits_null
    ExpressionList (children 2)
     Identifier CounterID
     Identifier StartDate
 ViewTargets (children 1)
  Storage definition (children 1)
   Function AggregatingMergeTree (children 1)
    ExpressionList (children 3)
     Identifier StartDate
     Function tuple (children 1)
      ExpressionList (children 2)
       Identifier CounterID
       Identifier StartDate
     Literal UInt64_8192