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From "Matt Burgess (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (NIFI-4071) ConvertJSONToSQL does not support Hive
Date Fri, 19 Jul 2019 18:14:00 GMT

     [ https://issues.apache.org/jira/browse/NIFI-4071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt Burgess updated NIFI-4071:
-------------------------------
    Priority: Minor  (was: Major)

> ConvertJSONToSQL does not support Hive
> --------------------------------------
>
>                 Key: NIFI-4071
>                 URL: https://issues.apache.org/jira/browse/NIFI-4071
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>            Reporter: Matt Burgess
>            Priority: Minor
>
> Currently, the ConvertJSONToSQL processor does not support Hive as the target database,
either using a HiveConnectionPool or a DBCPConnectionPool configured with a Hive driver. At
the very least:
> 1) A SQLException occurs when determining the auto-increment value. This is due to a
Hive bug (HIVE-13528 [https://issues.apache.org/jira/browse/HIVE-13528]) where the column
is not named according to the spec ([http://docs.oracle.com/javase/8/docs/api/java/sql/DatabaseMetaData.html#getColumns-java.lang.String-java.lang.String-java.lang.String-java.lang.String-]).
> 2) Column names are returned with the table name prepended (using a dot separator)
> 3) There may be other JDBC API calls that are not supported by the Hive JDBC driver.
> #1 could be solved by checking for "IS_AUTOINCREMENT" then failing over to "IS_AUTO_INCREMENT".
 #2 could be solved with a lastIndexOf("."), as is done in _org.apache.nifi.util.hive.HiveJdbcCommon#createSchema(java.sql.ResultSet,
java.lang.String)_. #3 would take some investigation into the other JDBC API calls being made.



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