[jira] [Assigned] (HIVE-22750) Consolidate LockType naming

["Marton Bod (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-22750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marton Bod reassigned HIVE-22750:
---------------------------------

    Assignee: Marton Bod  (was: Zoltan Chovan)

> Consolidate LockType naming
> ---------------------------
>
>                 Key: HIVE-22750
>                 URL: https://issues.apache.org/jira/browse/HIVE-22750
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>            Reporter: Zoltan Chovan
>            Assignee: Marton Bod
>            Priority: Minor
>
> Extend enum with string literal to remove unnecessary `id` to `char` casting for the LockType:
> {code:java}
> switch (lockType) {
>             case EXCLUSIVE:
>               lockChar = LOCK_EXCLUSIVE;
>               break;
>             case SHARED_READ:
>               lockChar = LOCK_SHARED;
>               break;
>             case SHARED_WRITE:
>               lockChar = LOCK_SEMI_SHARED;
>               break;
>           }
> {code}
> Consolidate LockType naming in code and schema upgrade scripts:
> {code:java}
> CASE WHEN HL.`HL_LOCK_TYPE` = 'e' THEN 'exclusive' WHEN HL.`HL_LOCK_TYPE` = 'r' THEN 'shared' WHEN HL.`HL_LOCK_TYPE` = 'w' THEN *'semi-shared'* END AS LOCK_TYPE,
> {code}
> EXCL_DROP
> EXCL_WRITE
> SHARED_WRITE
> SHARED_READ



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