Query grouping

[Abhay Saswade]

I am using lucene release 1.2. I am using StandardAnalyzer. Have anybody faced this problem?

I get same results when I run following queries

1. (+SEARCH_NAME:jhon +SEARCH_NAME:joy) AND -SEARCH_NAME:chan
2. (+SEARCH_NAME:jhon AND +SEARCH_NAME: joy) AND -SEARCH_NAME:chan
3. (+SEARCH_NAME:jhon OR +SEARCH_NAME: joy) AND -SEARCH_NAME:chan

But when I regroup the query by putting brackets around the last term like mentioned below I don�t get any results

1. (+SEARCH_NAME:jhon +SEARCH_NAME: joy) AND (-SEARCH_NAME:chan)
2. (+SEARCH_NAME:jhon AND +SEARCH_NAME: joy) AND (-SEARCH_NAME:chan)
3. (+SEARCH_NAME:jhon OR +SEARCH_NAME: joy) AND (-SEARCH_NAME:chan)

This is just an example. I need to do grouping on various fields. Am I missing something? Is there any document other than http://jakarta.apache.org/lucene/docs/queryparsersyntax.html? Can somebody throw some light on this?

Thanks,
Abhay






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