Thomas Mueller created OAK-4575:
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Summary: Oak 1.0.x fulltext search with ideographic space (U+3000)
as separator
Key: OAK-4575
URL: https://issues.apache.org/jira/browse/OAK-4575
Project: Jackrabbit Oak
Issue Type: Bug
Components: query
Affects Versions: 1.0.32
Reporter: Thomas Mueller
Assignee: Thomas Mueller
Fix For: 1.0.33
In Oak 1.0, the Lucene index uses its own tokenizer. That tokenizer doesn't
support ideographic space (U+3000) as word separator.
In Oak 1.2 and later, the Lucene tokenizer is used, which works as expected.
Backporting all relevant changed from Oak 1.2 to the 1.0 branch would be a lot
of changes, and the risk of regression would be high (too high in my view). An
alternative is to add support for the ideographic space in the query engine
(replace it with a regular space character). Please note the behavior is still
not exactly the same as with Oak 1.2, but as for this exact use case it is
expected to work correctly.
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