Vladimir Ozerov created IGNITE-6904:
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Summary: SQL: Partition reservations are released too early in
lazy mode
Key: IGNITE-6904
URL: https://issues.apache.org/jira/browse/IGNITE-6904
Project: Ignite
Issue Type: Task
Security Level: Public (Viewable by anyone)
Components: sql
Affects Versions: 2.3
Reporter: Vladimir Ozerov
Fix For: 2.4
In lazy mode we advance query execution as new page requests arrive. However,
method {{GridMapQueryExecutor#onQueryRequest0}} releases partition reservations
when only the very first page is processed:
{code}
finally {
GridH2QueryContext.clearThreadLocal();
if (distributedJoinMode == OFF)
qctx.clearContext(false);
}
{code}
It means that incorrect results may be returned on unstable topology. We need
to release partitions only after the whole query is executed.
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