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https://issues.apache.org/jira/browse/IMPALA-11975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell resolved IMPALA-11975.
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Fix Version/s: Impala 4.3.0
Assignee: Joe McDonnell
Resolution: Fixed
> Fix dictionary methods that became lazy
> ---------------------------------------
>
> Key: IMPALA-11975
> URL: https://issues.apache.org/jira/browse/IMPALA-11975
> Project: IMPALA
> Issue Type: Sub-task
> Components: Infrastructure
> Affects Versions: Impala 4.3.0
> Reporter: Joe McDonnell
> Assignee: Joe McDonnell
> Priority: Major
> Fix For: Impala 4.3.0
>
>
> Dictionary methods like items, keys, values became lazy, similar to the other
> list functions. Existing code that relies on these methods producing lists
> immediately need to wrap the call in list(). The old iter* methods have been
> removed, so that code needs to be fixed up.
> See: [https://python-future.org/compatible_idioms.html#dictionaries]
> Replacing the iter* methods with the non-iter equivalent works fine in Python
> 3 (e.g. iteritems() becomes items()), but it is less efficient on Python 2.
> This is annoying, but since our Python code is not very performance sensitive
> and our intention is to remove Python 2, it doesn't seem useful to do
> complicated things to avoid it.
> This corresponds to these Pylint checks:
> dict-iter-method
> dict-keys-not-iterating
> dict-values-not-iterating
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