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https://issues.apache.org/jira/browse/SPARK-24924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16570840#comment-16570840
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Thomas Graves commented on SPARK-24924:
---------------------------------------

so officially the spark api compatibility is only at the compilation level: 
[http://spark.apache.org/versioning-policy.html] . We try to keep binary 
compatibility but its not guaranteed between releases.   It might be worth 
bringing up though to make sure they thought of that as it should be a 
conscious decision.

I think if you rebuild databricks avro with spark 2.4 it works, right?

I unfortunately don't have a hive setup working with spark 2.4 right now. When 
I wrote a table (saveAsTable) with 2.3 databricks avro I don't see a table 
property spark.sql.sources.provider, what am I missing?

> Add mapping for built-in Avro data source
> -----------------------------------------
>
>                 Key: SPARK-24924
>                 URL: https://issues.apache.org/jira/browse/SPARK-24924
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Dongjoon Hyun
>            Assignee: Dongjoon Hyun
>            Priority: Minor
>             Fix For: 2.4.0
>
>
> This issue aims to the followings.
>  # Like `com.databricks.spark.csv` mapping, we had better map 
> `com.databricks.spark.avro` to built-in Avro data source.
>  # Remove incorrect error message, `Please find an Avro package at ...`.



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