[jira] [Commented] (PHOENIX-1594) Using KeyOnlyFilter for simple query of select count(1) from <table>

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Posted to dev@phoenix.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2015/01/20 06:14:34 UTC

[jira] [Commented] (PHOENIX-1594) Using KeyOnlyFilter for simple query of select count(1) from

    [ https://issues.apache.org/jira/browse/PHOENIX-1594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14283407#comment-14283407 ] 

Hudson commented on PHOENIX-1594:
---------------------------------

FAILURE: Integrated in Phoenix-master #557 (See [https://builds.apache.org/job/Phoenix-master/557/])
PHOENIX-1594 Using KeyOnlyFilter for simple query of select count(1) from <table> (jtaylor: rev 2a73ba81b93f189fba46cae1360541e2d589e3fb)
* phoenix-core/src/it/java/org/apache/phoenix/end2end/QueryWithLimitIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/SortMergeJoinIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/TenantSpecificViewIndexIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/HashJoinIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/index/ImmutableIndexIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/QueryTimeoutIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/SequenceIT.java
* phoenix-core/src/test/java/org/apache/phoenix/compile/QueryCompilerTest.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/index/LocalIndexIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/SubqueryIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/KeyOnlyIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/SubqueryUsingSortMergeJoinIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/index/BaseMutableIndexIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/HashJoinLocalIndexIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseTenantSpecificViewIndexIT.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/BaseViewIT.java
* phoenix-core/src/test/java/org/apache/phoenix/compile/TenantSpecificViewIndexCompileTest.java
* phoenix-core/src/test/java/org/apache/phoenix/compile/StatementHintsCompilationTest.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/index/SaltedIndexIT.java
* phoenix-core/src/main/java/org/apache/phoenix/iterate/BaseResultIterators.java


> Using KeyOnlyFilter for simple query of select count(1) from <table>
> --------------------------------------------------------------------
>
>                 Key: PHOENIX-1594
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1594
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Jeffrey Zhong
>         Attachments: PHOENIX-1594.patch
>
>
> I found that underlying scan for query "select count(1) or count(*) from <table>" still project all columns. 
> It should be fast if we use KeyOnlyFilter for this simple query.



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