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 tab
                   ExpressionList (children 2)
                    OrderByElement (children 1)
                     Function multiply (children 1)
                      ExpressionList (children 2)
                       Function plus (children 1)
                        ExpressionList (children 2)
                         Identifier a
                         Identifier b
                       Identifier c
                    OrderByElement (children 1)
                     Function intDiv (children 1)
                      ExpressionList (children 2)
                       Function intDiv (children 1)
                        ExpressionList (children 2)
                         Function sin (children 1)
                          ExpressionList (children 1)
                           Function divide (children 1)
                            ExpressionList (children 2)
                             Identifier a
                             Identifier b
                         Literal Int64_-2
                       Literal Int64_-3
   Function like (children 1)
    ExpressionList (children 2)
     Identifier explain
     Literal \'%sort description%\'
