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https://issues.apache.org/jira/browse/HIVE-3999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580452#comment-13580452
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caofangkun commented on HIVE-3999:
----------------------------------
We'd better set a default value for column IS_STOREDASSUBDIRECTORIES:
ALTER TABLE `SDS` ADD `IS_STOREDASSUBDIRECTORIES` BIT(1) NOT NULL;
ALTER TABLE `SDS` ALTER `IS_STOREDASSUBDIRECTORIES` SET DEFAULT 0;
or Query May Throw :
Failed with exception javax.jdo.JDODataStoreException: Insert of object
"org.apache.hadoop.hive.metastore.model.MStorageDescriptor@c3c44" using
statement "INSERT INTO `SDS`
(`SD_ID`,`OUTPUT_FORMAT`,`CD_ID`,`NUM_BUCKETS`,`INPUT_FORMAT`,`SERDE_ID`,`IS_COMPRESSED`,`LOCATION`)
VALUES (?,?,?,?,?,?,?,?)" failed : Field 'IS_STOREDASSUBDIRECTORIES' doesn't
have a default value
NestedThrowables:
java.sql.SQLException: Field 'IS_STOREDASSUBDIRECTORIES' doesn't have a default
value
> Mysql metastore upgrade script will end up with different schema than the
> full schema load
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-3999
> URL: https://issues.apache.org/jira/browse/HIVE-3999
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Jarek Jarcec Cecho
> Assignee: Jarek Jarcec Cecho
> Fix For: 0.11.0
>
> Attachments: mysql_upgrade_issue.patch
>
>
> I've noticed that the file {{hive-schema-0.10.0.mysql.sql}} is creating table
> SDS with following column:
> {code}
> `IS_STOREDASSUBDIRECTORIES` bit(1) NOT NULL,
> {code}
> However the upgrade script {{011-HIVE-3649.mysql.sql}} will create the column
> differently:
> {code}
> ALTER TABLE `SDS` ADD `IS_STOREDASSUBDIRECTORIES` bit(1) ;
> {code}
> Thus user will get slightly different schema each time - once with "NOT NULL"
> and secondly with "NULL" definition.
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