Ye Yan created SOLR-6817:
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Summary: Collation suggestions regard correctly spelt words as
incorrect.
Key: SOLR-6817
URL: https://issues.apache.org/jira/browse/SOLR-6817
Project: Solr
Issue Type: Bug
Affects Versions: 4.10.2
Reporter: Ye Yan
Priority: Minor
We've ran into an issue where if you have one word spelt correctly and one word
spelt incorrectly, then the collation suggestions will only return alternatives
for each word. This is not the case if both words are spelt incorrectly.
I.e, if you do a search for "ipod toach", it will suggest alternatives for both
"ipod" and "toach". The collation suggestions will not include "ipod touch"
which would be the desired suggestion.
If you do a search for "ipodd toach", the collation suggestions will include
"ipod touch" as both words are incorrectly spelt.
So you need to spell everything wrong, rather than some things wrong for the
spell check collator to work correctly. In the real world, some people will
spell only a few words wrong in a query, not everything wrong, so it is a bit
of a usability issue.
I've created a workaround for the collator to include the original term in the
collation suggestions if itself is spelt correctly, rather than use suggestions
of the correctly spelt word.
This has a bit of a performance hit, as we need to query to make sure the word
is spelt correctly, so I think there might be a more deeper way of changing it,
but works as intended for now.
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