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Posted to issues@hive.apache.org by "Aleksey Vovchenko (JIRA)" <ji...@apache.org> on 2016/04/14 15:59:25 UTC
[jira] [Work started] (HIVE-13460) ANALYZE TABLE COMPUTE STATISTICS
FAILED max key length is 1000 bytes
[ https://issues.apache.org/jira/browse/HIVE-13460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HIVE-13460 started by Aleksey Vovchenko.
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> ANALYZE TABLE COMPUTE STATISTICS FAILED max key length is 1000 bytes
> --------------------------------------------------------------------
>
> Key: HIVE-13460
> URL: https://issues.apache.org/jira/browse/HIVE-13460
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 1.0.1
> Reporter: Aleksey Vovchenko
> Assignee: Aleksey Vovchenko
> Fix For: 1.2.0
>
> Attachments: HIVE-13460-branch-1.0.patch
>
>
> When Hive configured to Store Statistics in MySQL we have next error:
> {noformat}
> 2016-04-08 15:53:28,047 ERROR [main]: jdbc.JDBCStatsPublisher (JDBCStatsPublisher.java:init(316)) - Error during JDBC initialization.
> com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes
> {noformat}
> If set MySql properties as:
> {noformat}
> set global innodb_large_prefix = ON;
> set global innodb_file_format = BARRACUDA;
> {noformat}
> Now we have next Error:
> {noformat}
> 2016-04-08 15:56:05,552 ERROR [main]: jdbc.JDBCStatsPublisher (JDBCStatsPublisher.java:init(316)) - Error during JDBC initialization.
> com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 3072 bytes
> {noformat}
> As a result of my investigation I figured out that MySQL does not allow to create primary key with size more than 3072 bytes.
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