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Posted to issues@metamodel.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/09/01 18:26:00 UTC
[jira] [Commented] (METAMODEL-1194) Stop supporting primary keys
with Hive tables
[ https://issues.apache.org/jira/browse/METAMODEL-1194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16599701#comment-16599701 ]
ASF GitHub Bot commented on METAMODEL-1194:
-------------------------------------------
Github user kaspersorensen commented on the issue:
https://github.com/apache/metamodel/pull/185
OK I'll merge then :-)
> Stop supporting primary keys with Hive tables
> ---------------------------------------------
>
> Key: METAMODEL-1194
> URL: https://issues.apache.org/jira/browse/METAMODEL-1194
> Project: Apache MetaModel
> Issue Type: Bug
> Reporter: Gerard Dellemann
> Priority: Minor
>
> Hive tables don't have primary (or foreign) keys. Hive tables get created using a JDBC driver. Other types of datastores, that also use JDBC, do support this key. Right now it's not prevented that a MetaModel user can try to create a Hive table containing a primary key. This will result in a Exception being thrown:
> {code:java}
> ERROR 14:58:33 JdbcUtils - Could not execute create table statement: CREATE TABLE default.mytable (ID INT, myfield STRING, PRIMARY KEY(ID)): Error while compiling statement: FAILED: ParseException line 1:69 cannot recognize input near ')' '<EOF>' '<EOF>' in enable specification, Error code=40000, SQL state=42000
> org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: FAILED: ParseException line 1:69 cannot recognize input near ')' '<EOF>' '<EOF>' in enable specification
> at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:256)
> at org.apache.hive.jdbc.Utils.verifySuccessWithInfo(Utils.java:242)
> at org.apache.hive.jdbc.HiveStatement.execute(HiveStatement.java:254)
> at org.apache.hive.jdbc.HiveStatement.executeUpdate(HiveStatement.java:406)
> at org.apache.metamodel.jdbc.JdbcCreateTableBuilder.execute(JdbcCreateTableBuilder.java:61)
> {code}
> Basically the exception means that it doesn't understand the primary key part of the statement.
>
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