SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function viewExplain (children 1)
              ExpressionList (children 3)
               Literal \'EXPLAIN\'
               Literal \'actions = 1\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 3)
                   ExpressionList (children 1)
                    Asterisk
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      TableIdentifier tab2
                   ExpressionList (children 2)
                    OrderByElement (children 1)
                     Function toStartOfDay (children 1)
                      ExpressionList (children 1)
                       Identifier x
                    OrderByElement (children 1)
                     Function intDiv (children 1)
                      ExpressionList (children 2)
                       Function intDiv (children 1)
                        ExpressionList (children 2)
                         Identifier y
                         Literal Int64_-2
                       Literal Int64_-3
   Function like (children 1)
    ExpressionList (children 2)
     Identifier explain
     Literal \'%sort description%\'
