Dear all,
After force quiting a query because it took too long I am unable to run any
queries or commands on hive because it keeps throwing a hive exception: unable
to instantiate session hive meta store client. What would be the best way to
solve this issue? I am using the derby database as a
Dear all,
First of all, I am sorry if I sent this message twice, I received no
confirmation of my previous email actually reaching the mailing list.
For my project I want to be able to access the HiveRelNodes for some extended
semantic analysis. By extending the hookcontext and adding a new hoo
Dear all,
For a project I want to retrieve the Calcite RelNodes during the execution of
the queries (perhaps even before query optimisation if possible) and perform
some analysis on those RelNodes. However, I am a bit stuck with the best way to
approach this. Has something similar already been
Dear all,
I am trying to execute queries to create materialized views in Hive to see how
they affect the relational Calcite plan because of the query rewriting system
in Hive.
I copied the TestColumnAccess class
https://github.com/apache/hive/blob/master/ql/src/test/org/apache/hadoop/hive/ql/p
Dear all,
For research purposes I have been looking into finding potential materialized
views based on a given set of queries. For instance, if you have 2 queries
joining table A and B, perhaps it would be advantageous to materialize said
join and utilise Calcite's ability to rewrite queries to
Dear all,
Sorry if this is not the right communication channel for this type of question
but I am a bit stuck.
I am trying to import Apache Hive into eclipse using the Apache Hive developers
FAQ:
https://cwiki.apache.org/confluence/display/Hive/HiveDeveloperFAQ
In my eclipse workspace, I cloned