Re: Encountering the error "org.apache.thrift.protocol.TProtocolException: Unrecognized type 0" in different scenarios

Hi Jan, Thanks for the update. On 18/09/2023 19:49, Jan Eerdekens wrote: Hi Andy, Sorry for the late answer, but I was quite busy. The database was as far as I can tell generated in version 4.7.0 and then upgrades to 4.8.0 and 4.9.0 were done. Datasets were created (and some deleted and

Re: Query features info

good afternoon; you have to consider that a query processor is free to consolidate statement patterns in a nominal bgp - which itself implicitly joins them, or separate them in order to either apply a different join strategy or - as in this case, to interleave an operation under the suspicion

Re: Query features info

Hi, getting the data you're interested in needs to traverse either the algebra (which is shown in your "explain" request) or the query structure. For both you'll have to write Java code - luckily Jena already provides the necessary tools via visitors. By the way, why do you think there are

Query features info

Hi, Having a look on this SPARQL query: --- prefix dbo: prefix dbr: prefix foaf: SELECT DISTINCT ?name ?birth ?death WHERE { ?person

Re: read-only Fuseki TDB2

While in TDB2, read-transactions never write, there is a case where a read-only setup needs to do writes. It happens only at start-up and only the first time after the database is written during setup. If there is a journal file with outstanding changes, these are completed before the