Hi, What about using a joined table "variable_node_2", where you store changes to the default values. At startup, truncate that table.
I guess you will get additional ideas if you ask at StackOverflow.com Regards, Thomas On Tuesday, July 29, 2014, Dani Fernandez <[email protected]> wrote: > We have a table containing approx. 500k entries. Each time our server is > restarted we need to reset all the records, to do so we use a query like: > > UPDATE VARIABLE_NODE SET NODE_VALUE = DEFAULT_VALUE, > SUPPRESSION_STATE=FALSE, > SUPPRESSION_RELEASE_TIME=0, > VALUE_TIMESTAMP = ?, PROCESS_TIMESTAMP = ?; > > Where DEFAULT_VALUE is a defined default value for each record. The two > timestamps are a common value for all the records and represents the time > the server was restarted. It is passed in a store procedure using JDBC. > > This update takes all in all, in a very fast machine, like 1 minute. It > means that each time we restart our server we must wait one minute, at > least, to be operative. This is acceptable but not optimum. Do you see any > flaw in this approach or a better approach to update all the records in the > database? > > I think the user of indexes here is pointless as we are updating all the > records without filtering them. > > Any idea, comment is much welcomed. > > Daniel. > > -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <javascript:_e(%7B%7D,'cvml','h2-database%[email protected]');> > . > To post to this group, send email to [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>. > Visit this group at http://groups.google.com/group/h2-database. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
