Thank you very much Noel, I will take a look at those links. At first I thought I would have to really manipulate the low level guts but perhaps not.
Thanks again! On Friday, March 1, 2013 1:36:59 AM UTC-5, Noel Grandin wrote: > > Welcome aboard. > > Rather than messing with H2's internals, your best bet is to start by > implementing a custom TableEngine > > http://h2database.com/html/features.html#pluggable_tables > http://h2database.com/javadoc/org/h2/api/TableEngine.html > http://h2database.com/html/grammar.html#create_table > > On 2013-02-28 20:52, Justin Edse wrote: > > Hello everyone, > > > > In a project for one of my college classes I am doing a project which > > emphasizes turning a relational database into a column store. My > > partner and I went through a couple of different DB's but eventually > > picked H2 because it's written entirely in JAVA and seemed easier to > > understand than SQLite or something else. So, we have an idea of what > > we need to change( things such as how things are read and written from > > memory, column format instead of row, the query executor, storage > > layer, etc. Eventually after we are able to implement column stores > > without compression we will try several algorithms to make querying > > faster. But at this point my partner and I are looking over the > > different packages for H2 in Eclipse and think we know where to begin > > but are not completely sure. We noticed a packages called > > "org.h2.store" and "org.h2.store.fs" and thought this might be > > it.FileStore.java in "org.h2.store" contains methods for reading and > > writing bytes. > > > > So after going through all of these different packages I am asking if > > someone would be kind enough to point us in the right direction. > > Someone who really really knows H2, what packages should be start > > adjusting if we wanted to turn this into a column store rather than a > > row store? > > > > Thank you very much. > > -- > > 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:>. > > To post to this group, send email to > > [email protected]<javascript:>. > > > Visit this group at http://groups.google.com/group/h2-database?hl=en. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > > > -- 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?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
