What is the difference between common terms query vs match query with cutoff_frequency set


(Mike) #1

I was reading up on the match query and noticed that it has a
cutoff_frequency parameter, which seems to do pretty much what the common
terms query does.

  1. What is the difference between the common and match queries?
  2. When would I want to use common terms over match?
  3. Ultimately, would the direction be to have common terms query roll up
    into the match query (with any differences added to match)?

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(Mike) #2

Bump

On Monday, May 12, 2014 4:22:51 PM UTC-4, Mike wrote:

I was reading up on the match query and noticed that it has a
cutoff_frequency parameter, which seems to do pretty much what the common
terms query does.

  1. What is the difference between the common and match queries?
  2. When would I want to use common terms over match?
  3. Ultimately, would the direction be to have common terms query roll
    up into the match query (with any differences added to match)?

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(ElasticSearch Users mailing list) #3

They should produce the same exact query (CommonTermsQuery). The only thing
I can think of that is different is the CommonTerms query provides more
options other than just the cutoff_frequency (i.e. low_freq_operator,
high_freq_operator, etc) which are not available in the Match query. I do
not know of any plans to "merge/rollup" the two so for now, they remain
separate.

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(system) #4