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Posted to dev@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2019/02/14 18:19:00 UTC
[jira] [Created] (IGNITE-11325) SQL: Single place to start missing
caches (H2Utils.checkAndStartNotStartedCache)
Vladimir Ozerov created IGNITE-11325:
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Summary: SQL: Single place to start missing caches (H2Utils.checkAndStartNotStartedCache)
Key: IGNITE-11325
URL: https://issues.apache.org/jira/browse/IGNITE-11325
Project: Ignite
Issue Type: Task
Components: sql
Reporter: Vladimir Ozerov
Fix For: 2.8
We need to start missing caches for the given SELECT/DML statement because we need affinity info during query planning which is only available for started caches.
We need to do the following:
# Move the method {{H2Utils.checkAndStartNotStartedCache}} to some common place, e.g. parser, so that it has one and only one usage all over the code base
# Make sure that this method doesn't produce multiple network hops: missing caches should be started in a single request if possible.
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