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 hits_indexed_by_time
   Function less (children 1)
    ExpressionList (children 2)
     Identifier EventTime
     Literal \'2014-03-18 01:02:03\'
