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https://issues.apache.org/jira/browse/PHOENIX-3773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16038346#comment-16038346
]
Hadoop QA commented on PHOENIX-3773:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12871495/PHOENIX-3773_master_001.patch
against master branch at commit 7cdfc9cd489a493378968236bff7ae075402613b.
ATTACHMENT ID: 12871495
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:red}-1 Anti-pattern{color}. The patch appears to
have anti-pattern where BYTES_COMPARATOR was omitted:
protected TreeMap<byte[], LinkedList<byte[]>> topValues = new
TreeMap<byte[], LinkedList<byte[]>>(new ByteArrayComparator());.
{color:red}-1 Known Incompatible class{color}. The patch
appears to have incompatible classes:
protected TreeMap<byte[], LinkedList<byte[]>> topValues = new
TreeMap<byte[], LinkedList<byte[]>>(new ByteArrayComparator());.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated
47 warning messages.
{color:red}-1 release audit{color}. The applied patch generated 5 release
audit warnings (more than the master's current 0 warnings).
{color:red}-1 lineLengths{color}. The patch introduces the following lines
longer than 100:
+ "UPSERT INTO " + table_name + " (id, page_id, \"DATE\",
\"value\") VALUES (1, 8, '1', '3')");
+ "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\")
VALUES (2, 8, '2', '7')");
+ "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\")
VALUES (3, 8, '3', '9')");
+ "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\")
VALUES (5, 8, '4', '2')");
+ "UPSERT INTO " + table_name + " (id, page_id, \"DATE\", \"value\")
VALUES (4, 8, '5', '4')");
+ "SELECT FIRST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\"
ASC) FROM " + table_name
+ "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\")
VALUES (1, 8, 1, 300)");
+ "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\")
VALUES (4, 8, 5, 400)");
+ "SELECT FIRST_VALUES(\"value\", 2) WITHIN GROUP (ORDER BY \"DATE\"
ASC) FROM " + tableName
+ "UPSERT INTO " + tableName + " (id, page_id, \"DATE\", \"value\")
VALUES (1, 8, 1, 300)");
{color:red}-1 core tests{color}. The patch failed these unit tests:
./phoenix-core/target/failsafe-reports/TEST-org.apache.phoenix.end2end.UpgradeIT
./phoenix-core/target/failsafe-reports/TEST-org.apache.phoenix.monitoring.PhoenixMetricsIT
Test results:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/1006//testReport/
Release audit warnings:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/1006//artifact/patchprocess/patchReleaseAuditWarnings.txt
Javadoc warnings:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/1006//artifact/patchprocess/patchJavadocWarnings.txt
Console output:
https://builds.apache.org/job/PreCommit-PHOENIX-Build/1006//console
This message is automatically generated.
> Implement FIRST_VALUES aggregate function
> -----------------------------------------
>
> Key: PHOENIX-3773
> URL: https://issues.apache.org/jira/browse/PHOENIX-3773
> Project: Phoenix
> Issue Type: New Feature
> Reporter: James Taylor
> Assignee: Loknath Priyatham Teja Singamsetty
> Labels: SFDC
> Fix For: 4.11.0
>
> Attachments: PHOENIX-3773_4.x-HBase-0.98_002.patch,
> PHOENIX-3773_4.x-HBase-0.98.patch, PHOENIX-3773_master_002.patch,
> PHOENIX-3773_master_003.patch, PHOENIX-3773_master.patch, PHOENIX-3773.patch,
> PHOENIX-3773.v2.patch, PHOENIX-3773.v3.patch
>
>
> Similar to FIRST_VALUE, but would allow the user to specify how many values
> to keep. This could use a MinMaxPriorityQueue under the covers and be much
> more efficient than using multiple NTH_VALUE calls to do the same like this:
> {code}
> SELECT entity_id,
> NTH_VALUE(user_id,1) WITHIN GROUP (ORDER BY last_read_date DESC) as
> nth1_user_id,
> NTH_VALUE(user_id,2) WITHIN GROUP (ORDER BY last_read_date DESC) as
> nth2_user_id,
> NTH_VALUE(user_id,3) WITHIN GROUP (ORDER BY last_read_date DESC) as
> nth3_user_id,
> count(*)
> FROM MY_TABLE
> WHERE tenant_id='00Dx0000000XXXX'
> AND entity_id in ('0D5x000000ABCD','0D5x000000ABCE')
> GROUP BY entity_id;
> {code}
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