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https://issues.apache.org/jira/browse/OAK-1852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16285623#comment-16285623
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Marcel Reutegger commented on OAK-1852:
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+1
> DocumentStore API: improve documentation of keys
> ------------------------------------------------
>
> Key: OAK-1852
> URL: https://issues.apache.org/jira/browse/OAK-1852
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: doc, mongomk
> Affects Versions: 1.0.9, 1.1.0
> Reporter: Julian Reschke
> Assignee: Thomas Mueller
> Fix For: 1.2
>
>
> I think it would be good to enhance the documentation on what syntactical
> constraints there are on keys.
> For instance:
> - what character range is allowed? what about control characters?
> - is leading or trailing whitespace allowed?
> - are there any assumptions about Unicode normalization on lookup?
> - are keys opaque strings? for instance, does the "/" character have any
> *special* role? will all keys have the "n:" prefix?
> - what length needs to be supported? (MySQL has a limit on 767/4 characters
> because of UTF8-to-octet mapping)
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