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https://issues.apache.org/jira/browse/AVRO-1924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15636378#comment-15636378
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Zoltan Ivanfi commented on AVRO-1924:
-------------------------------------
Please note that although it may be easy to work around this issue in Parquet,
it can happen in production systems as well, where people may use the name
`date` for some fields and have massive amounts of data and code built around
this.
> Variable named 'date' in IDL
> ----------------------------
>
> Key: AVRO-1924
> URL: https://issues.apache.org/jira/browse/AVRO-1924
> Project: Avro
> Issue Type: Bug
> Reporter: Niels Basjes
> Assignee: Ryan Blue
>
> I was compiling Apache Parquet and found that the switch from Avro 1.8.0 to
> 1.8.1 broke their build.
> The error: {code}
> [ERROR] Failed to execute goal
> org.apache.avro:avro-maven-plugin:1.8.1:idl-protocol (schemas) ...
> org.apache.avro.compiler.idl.ParseException: Encountered " "date" "date "" at
> line 23, column 14.
> [ERROR] Was expecting one of:
> [ERROR] <IDENTIFIER> ...
> [ERROR] "@" ...
> [ERROR] "`" ...
> [ERROR] -> [Help 1]
> {code}
> As it turns out they have a test idl that contains this:
> {code}
> @namespace("org.apache.parquet.avro")
> protocol Cars {
> record Service {
> long date;
> }
> }
> {code}
> And this change AVRO-1684 turned the word 'date' into something different for
> the idl compiler.
> So changing the word 'date' into something else fixes the problem.
> Yet I think this is an undesirable effect for end user applications.
> [~rdblue]: I assigned this to you implemented the mentioned change.
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