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 t_move_to_prewhere
   Function and (children 1)
    ExpressionList (children 4)
     Identifier a
     Identifier b
     Identifier c
     Function not (children 1)
      ExpressionList (children 1)
       Function ignore (children 1)
        ExpressionList (children 1)
         Identifier fat_string
