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https://issues.apache.org/jira/browse/DRILL-3970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15028635#comment-15028635
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Filip Grabowski commented on DRILL-3970:
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It works in 1.3
> Oracle JDBC configuration filters necessary Calcite parameter
> -------------------------------------------------------------
>
> Key: DRILL-3970
> URL: https://issues.apache.org/jira/browse/DRILL-3970
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.2.0
> Environment: Mac OS X 10.10
> Reporter: Kyle Marek-Spartz
>
> After getting around DRILL-3958, I created a JDBC storage connection to an
> Oracle database. However, when I execute queries, I get errors of this sort:
> {code}
> 0: jdbc:drill:zk=local> show tables from oracle;
> Error: SYSTEM ERROR: IllegalArgumentException: duplicate key: WWV_FLOW_DUAL100
> Fragment 0:0
> [Error Id: f34cc14b-42ea-4caf-a849-205eb5570ba2 on .....:31010]
> (state=,code=0)
> {code}
> This seems similar to CALCITE-880, which was closed as a configuration issue,
> suggesting adding {{"jdbcSchema": "ORACLE_SCHEMA_NAME"}} to the JSON
> configuration. Adding this to the Drill storage configuration option gives a
> {{Invalid JSON mapping}} error, which likely is due to a lack of
> {{jdbcSchema}} in {{JdbcStorageConfig.java}}:
> https://github.com/apache/drill/blob/d7eebec41a1636055be1b2c79b693d76c52d8932/contrib/storage-jdbc/src/main/java/org/apache/drill/exec/store/jdbc/JdbcStorageConfig.java#L38-L41
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