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https://issues.apache.org/jira/browse/OAK-5413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella closed OAK-5413.
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Bulk close for 1.5.18
> XPath: "union" combined with "or" is not converted correctly
> ------------------------------------------------------------
>
> Key: OAK-5413
> URL: https://issues.apache.org/jira/browse/OAK-5413
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: query
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Fix For: 1.5.18
>
>
> In OAK-4265 a limited form of "union" for XPath was added. However, union
> queries that contain "or" are not converted properly. For example:
> {noformat}
> //*[@a=1 or @b=1]
> select [jcr:path], [jcr:score], * from [nt:base] as a where [a] = 1
> union select [jcr:path], [jcr:score], * from [nt:base] as a where [b] = 1
> {noformat}
> but
> {noformat}
> (//*[@a=1 or @b=1] | //*[@c=1])
> select [jcr:path], [jcr:score], * from [nt:base] as a where [a] = 1 or [b] =
> 1
> union select [jcr:path], [jcr:score], * from [nt:base] as a where [c] = 1
> {noformat}
> It should be converted to:
> {noformat}
> select [jcr:path], [jcr:score], * from [nt:base] as a where [a] = 1
> union select [jcr:path], [jcr:score], * from [nt:base] as a where [b] = 1
> union select [jcr:path], [jcr:score], * from [nt:base] as a where [c] = 1
> {noformat}
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