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https://issues.apache.org/jira/browse/NIFI-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15678391#comment-15678391
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Karthik Narayanan commented on NIFI-3064:
-----------------------------------------
Create a pull request to fix this issue.
https://github.com/apache/nifi/pull/1249
> ExecuteSQL convert to Avro fails when a MySQL query returns two columns with
> the same name even with different aliases
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-3064
> URL: https://issues.apache.org/jira/browse/NIFI-3064
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.0.0, 0.7.0, 0.6.1
> Reporter: Karthik Narayanan
> Assignee: Karthik Narayanan
> Fix For: 1.0.0
>
>
> For the following query:
> select A.host as host1,B.host as host from `hosts` A join host2 B on
> B.hostid=A.hostid;
> A.host and B.host are columns that have same name, but come from different
> tables, and have a different alias name. But looks like Avro conversion is
> ignoring the alias and just looking at the column name. This causes the query
> to fail with this error
> Duplicate Field Name in any.data.hosts ; name type UNION pos:1 and name type
> UNION pos:0.
> I have attached a screenshot for the same.
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