[jira] [Work logged] (HIVE-25813) CREATE TABLE x LIKE storagehandler-based-source fails

Thu, 27 Oct 2022 11:46:07 -0700 


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https://issues.apache.org/jira/browse/HIVE-25813?focusedWorklogId=821143&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-821143
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ASF GitHub Bot logged work on HIVE-25813:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 27/Oct/22 18:45
            Start Date: 27/Oct/22 18:45
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #3627:
URL: https://github.com/apache/hive/pull/3627#issuecomment-1293927281

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 821143)
    Time Spent: 2h 40m  (was: 2.5h)

> CREATE TABLE x LIKE storagehandler-based-source fails 
> ------------------------------------------------------
>
>                 Key: HIVE-25813
>                 URL: https://issues.apache.org/jira/browse/HIVE-25813
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sai Hemanth Gantasala
>            Assignee: Sai Hemanth Gantasala
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> {code:java}
> CREATE EXTERNAL TABLE default.dbs (
>   DB_ID            bigint,
>   DB_LOCATION_URI  string,
>   NAME             string,
>   OWNER_NAME       string,
>   OWNER_TYPE       string )
> STORED BY 'org.apache.hive.storage.jdbc.JdbcStorageHandler'
> TBLPROPERTIES (
>   'hive.sql.database.type' = 'MYSQL',
>   'hive.sql.jdbc.driver'   = 'com.mysql.jdbc.Driver',
>   'hive.sql.jdbc.url'      = 'jdbc:mysql://localhost:3306/hive1',
>   'hive.sql.dbcp.username' = 'hive1',
>   'hive.sql.dbcp.password' = 'cloudera',
>   'hive.sql.query' = 'SELECT DB_ID, DB_LOCATION_URI, NAME, OWNER_NAME, 
> OWNER_TYPE FROM DBS'
> );
> CREATE TABLE default.dbscopy LIKE default.dbs;
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreUtils.getFieldsFromDeserializer(HiveMetaStoreUtils.java:186)
>  {code}
> With this patch, we don't want to copy over the table properties or any other 
> physical properties (storage handler e.t.c) of the source table when CREATE 
> TABLE LIKE TABLE command is executed. Only table schema (logical properties) 
> should be copied. This implementation is consistent with other SQL engines 
> like Mysql, Redshift etc.



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