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Posted to dev@ignite.apache.org by "Taras Ledkov (JIRA)" <ji...@apache.org> on 2019/02/04 13:34:00 UTC
[jira] [Created] (IGNITE-11193) MVCC TX: the query with specified
explicit patririons fails
Taras Ledkov created IGNITE-11193:
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Summary: MVCC TX: the query with specified explicit patririons fails
Key: IGNITE-11193
URL: https://issues.apache.org/jira/browse/IGNITE-11193
Project: Ignite
Issue Type: Bug
Components: mvcc, sql
Affects Versions: 2.7
Reporter: Taras Ledkov
Assignee: Taras Ledkov
Fix For: 2.8
If the explicit partitions specified by {{SqlFieldsQuery#setPartitions}} are placed on the several nodes the query fails at the partition reservation ({{GridDhtTxQueryEnlistFuture.checkPartitions}}) with error: "{{Cannot run update query. Node must own all the necessary partitions.}}"
*Root cause*: MVCC DML doesn't map the requests {{GridNearTxQueryEnlistRequest}}. Each node received the messages with all explicit partitions.
*Proposal fix*: use the partitions/node mapping similar to SELECT queries. See more:
- {{GridH2QueryRequest#partitions}}
- {{ReducePartitionsSpecializer#ReducePartitionsSpecializer}}
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