My manager is now totally stuck about being able to query data with * in it.
He's gonna have to wait a bit longer, you've got a slightly tricky situation on your hands....
WildcardQuery(new Term("name", "*home\**"));
The \* is the problem. WildcardQuery doesn't deal with escaping like you're trying. Your query is essentially this now:
home\*
Where backslash has no special meaning at all... you're literally looking for all terms that start with home followed by a backslash. Two asterisks at the end really collapse into a single one logically.
Any theories as to why the it would not match:
Document (relevant fields): Keyword<type:203> Keyword<name:marcipan + home*>
Is the \ escaping both * characters?
So, again, no escaping is being done here. You're a bit stuck in this situation because * (and ?) are special to WildcardQuery, and it does no escaping. Two options I think of:
- Build your own clone of WildcardQuery that does escaping - or perhaps change the wildcard characters to something you do not index and use those instead.
- Replace asterisks in the terms indexed with some other non-wildcard character, then replace it on your queries as appropriate.
Erik
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