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https://issues.apache.org/jira/browse/IGNITE-5482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16051367#comment-16051367
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ASF GitHub Bot commented on IGNITE-5482:
----------------------------------------
GitHub user alexpaschenko opened a pull request:
https://github.com/apache/ignite/pull/2139
IGNITE-5482
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gridgain/apache-ignite ignite-5482
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/ignite/pull/2139.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2139
----
commit d6e7050280817b4705302346e170a1809a3d1a91
Author: Ivan Rakov <[email protected]>
Date: 2017-05-03T08:24:01Z
IGNITE-5134: Fixed ClassCastException in IgniteCacheDatabaseSharedManager.
This closes #1895.
commit ff08c8e09033a1a703aae602c36a21565fbae606
Author: Anton Vinogradov <[email protected]>
Date: 2017-05-03T09:49:18Z
Hibernate module deploy fix
commit bc4735f7f5e3fe97aa5f30ef8bdf88e0749d6e2e
Author: Igor Sapego <[email protected]>
Date: 2017-05-03T15:12:49Z
IGNITE-5132: Fixed PutGet example.
(cherry picked from commit ed72663ff8e6b6f46d77c91471400ec1c9ff0dfa)
commit a5ae1834621e3c09ed911777ba652ce4e53ea7e1
Author: devozerov <[email protected]>
Date: 2017-05-05T09:16:36Z
Fixed JavaDocs in MemoryMetricsImpl.
commit b051163be08b50fc1ead70e8640703376f4c1642
Author: devozerov <[email protected]>
Date: 2017-05-05T15:06:00Z
Removed ML from GG PE build for now.
commit 0c45750bdcaabf72980f775e0bc2f18edc603607
Author: Sergi Vladykin <[email protected]>
Date: 2017-05-11T13:01:38Z
IGNITE-5190 - ArrayIndexOutOfBoundsException in GridMergeIndexSorted
(cherry picked from commit 3a9dba5)
commit 1e1198555358eca9163753249fbef8bd1a3ef702
Author: Sergi Vladykin <[email protected]>
Date: 2017-05-09T03:11:34Z
master - fixed SELECT (SELECT COUNT(1)) FROM
(cherry picked from commit d10091d)
commit b4d8c341930f8873f03427b6e25d2c9f30514c0b
Author: Sergi Vladykin <[email protected]>
Date: 2017-05-09T15:17:40Z
master - minor fix for subqueries with aggregates
(cherry picked from commit b039d05)
commit b7d926e71e7e0af3a5f067891bd8115b21af9318
Author: AMRepo <[email protected]>
Date: 2017-05-26T09:44:20Z
Fixed segmented indices snapshots. - Fixes #1936.
Signed-off-by: Sergi Vladykin <[email protected]>
(cherry picked from commit 1554a16)
commit 5658c45549eef86d94ad806e76e48fb997e99a94
Author: Andrey V. Mashenkov <[email protected]>
Date: 2017-05-15T17:24:10Z
IGNITE-5225: Fix NPE caused by changes in IGNITE-4577.
(cherry picked from commit d463840)
(cherry picked from commit 95850b4)
commit 51868846b5792561ef345f4b90f41a3026528a1e
Author: Andrey V. Mashenkov <[email protected]>
Date: 2017-05-24T10:19:16Z
IGNITE-5252: Expose getFieldName method to SqlFieldsQuery result. - Fixes
#1982.
Signed-off-by: Sergi Vladykin <[email protected]>
(cherry picked from commit 647fd195b310df10b230b67c92a8df04b5a064e2)
(cherry picked from commit 4155d42)
commit 318f2816f84c3f1b69001ee157aabe83f2c290fb
Author: AMRepo <[email protected]>
Date: 2017-05-26T17:08:43Z
IGNITE-11423: all changes.
commit f3757ce315c5b2e4a22aaaa2a0cefed3ce0704f6
Author: Alexander Paschenko <[email protected]>
Date: 2017-06-14T16:37:38Z
IGNITE-5482 MAP query results reuse.
commit 551a44341c620a7c6573f17679e5b35232dc870d
Author: Alexander Paschenko <[email protected]>
Date: 2017-06-15T14:08:32Z
IGNITE-5482 Continued
commit 0a4dec754604ce409b6ad2a2738cb21e88a2a223
Author: Alexander Paschenko <[email protected]>
Date: 2017-06-15T18:05:23Z
IGNITE-5482 Finished
commit 2dcf98cd7641f5f99da5e7dd0bf0e8c95d2e9014
Author: Alexander Paschenko <[email protected]>
Date: 2017-06-15T18:14:35Z
Added comments.
----
> Implement basic caching of query results
> ----------------------------------------
>
> Key: IGNITE-5482
> URL: https://issues.apache.org/jira/browse/IGNITE-5482
> Project: Ignite
> Issue Type: Task
> Components: sql
> Affects Versions: 2.0
> Reporter: Alexander Paschenko
> Assignee: Alexander Paschenko
> Labels: important
> Fix For: 2.1
>
>
> Sergi suggested that we reuse results of the same queries running
> simultaneously - i.e. if a query is being executed with the same arguments
> and flags again and again, there's no need to do actual querying of data,
> instead we can really run query once while other simultaneous runs will wait
> for those results.
> This strategy will be implemented on MAP stage of distributed query.
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