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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4322) DESC primary key column with variable length does not work in SkipScanFilter
Date Sat, 08 Jun 2019 03:41:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16859091#comment-16859091
] 

Hudson commented on PHOENIX-4322:
---------------------------------

FAILURE: Integrated in Jenkins build Phoenix-4.x-HBase-1.4 #161 (See [https://builds.apache.org/job/Phoenix-4.x-HBase-1.4/161/])
PHOENIX-5122: PHOENIX-4322 breaks client backward compatibility (tdsilva: rev 1d12f269cb36c5090c4689597e313d03567cc6bc)
* (edit) phoenix-core/src/main/java/org/apache/phoenix/expression/RowValueConstructorExpression.java


> DESC primary key column with variable length does not work in SkipScanFilter
> ----------------------------------------------------------------------------
>
>                 Key: PHOENIX-4322
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4322
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.11.0
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>            Priority: Minor
>             Fix For: 4.14.0, 5.0.0
>
>         Attachments: PHOENIX-4322.patch
>
>
> Example:
> {code}
>     @Test
>     public void inDescCompositePK3() throws Exception {
>         String table = generateUniqueName();
>         String ddl = "CREATE table " + table + " (oid VARCHAR NOT NULL, code VARCHAR
NOT NULL constraint pk primary key (oid DESC, code DESC))";
>         Object[][] insertedRows = new Object[][]{{"o1", "1"}, {"o2", "2"}, {"o3", "3"}};
>         runQueryTest(ddl, upsert("oid", "code"), insertedRows, new Object[][]{{"o2",
"2"}, {"o1", "1"}}, new WhereCondition("(oid, code)", "IN", "(('o2', '2'), ('o1', '1'))"),
>             table);
>     }
> {code}
> Here the last column in primary key is in DESC order and has variable length, and WHERE
clause involves an "IN" operator with RowValueConstructor specifying all PK columns. We get
no results.
> This ends up being the root cause for not being able to use child/parent join optimization
on DESC pk columns as described in PHOENIX-3050.



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