[jira] [Assigned] (CARBONDATA-1801) Remove unnecessary mdk computation code

[Akash R Nilugal (Jira)]

     [ https://issues.apache.org/jira/browse/CARBONDATA-1801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liang Chen reassigned CARBONDATA-1801:
--------------------------------------

    Assignee: jiangmanhua

> Remove unnecessary mdk computation code
> ---------------------------------------
>
>                 Key: CARBONDATA-1801
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1801
>             Project: CarbonData
>          Issue Type: Improvement
>            Reporter: jiangmanhua
>            Assignee: jiangmanhua
>            Priority: Minor
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> In `org.apache.carbondata.core.datastore.page.key.TablePageKey#update`, argument `mdk` can be reused to avoid duplicate computation for mdk by replacing  `WriteStepRowUtil.getMdk(row, mdkGenerator)`
> Original Code:
> {code:java}
>   /** update all keys based on the input row */
>   public void update(int rowId, CarbonRow row, byte[] mdk) throws KeyGenException {
>     if (hasNoDictionary) {
>       currentNoDictionaryKey = WriteStepRowUtil.getNoDictAndComplexDimension(row);
>     }
>     if (rowId == 0) {
>       startKey = WriteStepRowUtil.getMdk(row, mdkGenerator);
>       noDictStartKey = currentNoDictionaryKey;
>     }
>     noDictEndKey = currentNoDictionaryKey;
>     if (rowId == pageSize - 1) {
>       endKey = WriteStepRowUtil.getMdk(row, mdkGenerator);
>       finalizeKeys();
>     }
>   }
> {code}
> https://github.com/apache/carbondata/blob/74226907990cdee41a6ccbd69e2a813077792f89/core/src/main/java/org/apache/carbondata/core/datastore/page/key/TablePageKey.java#L66

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