[ 
https://issues.apache.org/jira/browse/ASTERIXDB-3289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ian Maxon updated ASTERIXDB-3289:
---------------------------------
    Labels: triaged  (was: )

> MurmurHash128Bit can read the wrong field data
> ----------------------------------------------
>
>                 Key: ASTERIXDB-3289
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3289
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: OTH - Other
>    Affects Versions: 0.9.9
>            Reporter: Wail Y. Alkowaileet
>            Assignee: Wail Y. Alkowaileet
>            Priority: Major
>              Labels: triaged
>             Fix For: 0.9.9
>
>
> The hash computer (namely 
> [MurmurHash128Bit|https://github.com/apache/asterixdb/blob/0a25d5620e56c728954e5abc813c3ba513e4859a/hyracks-fullstack/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/MurmurHash128Bit.java#L132C58-L132C58])
>  reads dummy field data as follows:
> {noformat}
> tuple.getFieldData(DUMMY_FIELD) {noformat}
> PKs in columnar tuples are stored in different buffers. Thus, the current 
> implementation of 
> [MurmurHash128Bit|https://github.com/apache/asterixdb/blob/0a25d5620e56c728954e5abc813c3ba513e4859a/hyracks-fullstack/hyracks/hyracks-storage-am-bloomfilter/src/main/java/org/apache/hyracks/storage/am/bloomfilter/impls/MurmurHash128Bit.java#L132C58-L132C58]
>  will always read the data of the first PK even if the second PK is required.



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

Reply via email to