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From "Sushanth Sowmyan (JIRA)" <>
Subject [jira] [Updated] (HIVE-9456) Make Hive support unicode with MSSQL as Metastore backend
Date Fri, 01 May 2015 13:40:06 GMT


Sushanth Sowmyan updated HIVE-9456:
    Attachment: HIVE-9456.2.patch

Attaching updated patch accounting for version changes (and NOTIFICATION_LOG table in update

> Make Hive support unicode with MSSQL as Metastore backend
> ---------------------------------------------------------
>                 Key: HIVE-9456
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.14.0
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>         Attachments: HIVE-9456.1.patch, HIVE-9456.2.patch, HIVE-9456.branch-1.2.patch
> There are significant issues when Hive uses MSSQL as metastore backend to support unicode,
since MSSQL handles varchar and nvarchar datatypes differently. Hive 0.14 metastore mssql
script DDL was using varchar as datatype, which can't handle multi-bytes/unicode characters,
e.g., Chinese chars. This JIRA is going to track implementation of unicode support in that

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