"phrase_prefix" not working for some prefixes

Elastic Stack Elasticsearch
1

Hi,

I am trying to make a phrase prefix search on an index that uses the
default analyzer but it seems that it is not working if the word starts
with some letters:

For example :

"query":{"match":{"user":{"query":"an","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"and","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"in","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"or","type":"phrase_prefix"}}}}

return no result

but

"query":{"match":{"user":{"query":"de","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"ds","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"anda","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"inl","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"orb","type":"phrase_prefix"}}}}

return the expected result

I believe this has something to do with the operators "and", "or", "in" .

Is there a way I can make the phrase_prefix work when searching for any
prefix?

Thank you

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2

Hey,

The queries, which do not return any data are actually stopwords. Stopwords
are removed, resulting in an empty query, which is not returning anything.
If you do not want stopwords to be removed, you might want to change your
analyzers.

--Alex

On Tue, Jun 18, 2013 at 11:19 AM, Anda Cipariu andacipariu@gmail.comwrote:

Hi,

I am trying to make a phrase prefix search on an index that uses the
default analyzer but it seems that it is not working if the word starts
with some letters:

For example :

"query":{"match":{"user":{"query":"an","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"and","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"in","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"or","type":"phrase_prefix"}}}}

return no result

but

"query":{"match":{"user":{"query":"de","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"ds","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"anda","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"inl","type":"phrase_prefix"}}}}
"query":{"match":{"user":{"query":"orb","type":"phrase_prefix"}}}}

return the expected result

I believe this has something to do with the operators "and", "or", "in" .

Is there a way I can make the phrase_prefix work when searching for any
prefix?

Thank you

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