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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 Fri, 07 Jun 2019 20:28:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16858970#comment-16858970
] 

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

FAILURE: Integrated in Jenkins build PreCommit-PHOENIX-Build #2639 (See [https://builds.apache.org/job/PreCommit-PHOENIX-Build/2639/])
PHOENIX-5122: PHOENIX-4322 breaks client backward compatibility (tdsilva: rev b8f465cd3649b66f19e307e5e00dea20ac0a8667)
* (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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