# Sort by only '\_boost' **URL:** \ **Category:** Elasticsearch\ **Created:** [November 19, 2013, 7:09am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459 "2013-11-19T07:09:54Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Min\_Cha](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/min_cha/32/1131_2.png) [@Min\_Cha](https://discuss.elastic.co/u/Min_Cha)\ **Post date:** [November 19, 2013, 7:09am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/1 "2013-11-19T07:09:54Z")
Hi all. I am implementing keyword search function. For this I have declared mapping as following. { "fulltext":{ "\_boost":{ "name":"weight", "null\_value":1.0 }, "properties":{ "musicId":{ "type":"integer", "index":"not\_analyzed", "store":"true" }, "title":{ "type":"string", "index":"analyzed", "store":"true", "analyzer":"cjk" }, "weight":{ "type":"double", "index":"not\_analyzed", "store":"true" } } } } Next, I have put as following docs. musicId(1), title("あい"), weight(10) musicId(2), title("あいあい"), weight(20) musicId(3), title("あいあいあい"), weight(30) musicId(4), title("あいあいあいあい"), weight(40) When, then, I searched by the keyword 'あい', output was as following. musicId=2 title=あいあい weight=20.0 musicId=3 title=あいあいあい weight=30.0 musicId=4 title=あいあいあいあい weight=40.0 musicId=1 title=あい weight=10.0 I expected a doc that has higher boost value will be matched at top but it does not. Give me some advice please. Thanks for reading. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Min\_Cha](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/min_cha/32/1131_2.png) [@Min\_Cha](https://discuss.elastic.co/u/Min_Cha)\ **Post date:** [November 21, 2013, 1:52am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/2 "2013-11-21T01:52:44Z")
Does anyone have some ideas? 2013년 11월 19일 화요일 오후 4시 9분 54초 UTC+9, Min Cha 님의 말: > Hi all. > I am implementing keyword search function. For this I have declared > mapping as following. > > { > "fulltext":{ > "\_boost":{ > "name":"weight", > "null\_value":1.0 > }, > "properties":{ > "musicId":{ > "type":"integer", > "index":"not\_analyzed", > "store":"true" > }, > "title":{ > "type":"string", > "index":"analyzed", > "store":"true", > "analyzer":"cjk" > }, > "weight":{ > "type":"double", > "index":"not\_analyzed", > "store":"true" > } > } > } > } > > Next, I have put as following docs. > > musicId(1), title("あい"), weight(10) > musicId(2), title("あいあい"), weight(20) > musicId(3), title("あいあいあい"), weight(30) > musicId(4), title("あいあいあいあい"), weight(40) > > When, then, I searched by the keyword 'あい', output was as following. > > musicId=2 > title=あいあい > weight=20.0 > > musicId=3 > title=あいあいあい > weight=30.0 > > musicId=4 > title=あいあいあいあい > weight=40.0 > > musicId=1 > title=あい > weight=10.0 > > I expected a doc that has higher boost value will be matched at top but it > does not. > Give me some advice please. > > Thanks for reading. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [November 21, 2013, 5:53am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/3 "2013-11-21T05:53:47Z")
Try to add explain: true to your query to see how score is computed. -- David 😉 Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs Le 21 nov. 2013 à 02:52, Min Cha [minslovey@gmail.com](mailto:minslovey@gmail.com) a écrit : Does anyone have some ideas? 2013년 11월 19일 화요일 오후 4시 9분 54초 UTC+9, Min Cha 님의 말: > Hi all. > I am implementing keyword search function. For this I have declared mapping as following. > > { > "fulltext":{ > "\_boost":{ > "name":"weight", > "null\_value":1.0 > }, > "properties":{ > "musicId":{ > "type":"integer", > "index":"not\_analyzed", > "store":"true" > }, > "title":{ > "type":"string", > "index":"analyzed", > "store":"true", > "analyzer":"cjk" > }, > "weight":{ > "type":"double", > "index":"not\_analyzed", > "store":"true" > } > } > } > } > > Next, I have put as following docs. > > musicId(1), title("あい"), weight(10) > musicId(2), title("あいあい"), weight(20) > musicId(3), title("あいあいあい"), weight(30) > musicId(4), title("あいあいあいあい"), weight(40) > > When, then, I searched by the keyword 'あい', output was as following. > > musicId=2 > title=あいあい > weight=20.0 > > musicId=3 > title=あいあいあい > weight=30.0 > > musicId=4 > title=あいあいあいあい > weight=40.0 > > musicId=1 > title=あい > weight=10.0 > > I expected a doc that has higher boost value will be matched at top but it does not. > Give me some advice please. > > Thanks for reading. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Min\_Cha](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/min_cha/32/1131_2.png) [@Min\_Cha](https://discuss.elastic.co/u/Min_Cha)\ **Post date:** [December 4, 2013, 9:44am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/4 "2013-12-04T09:44:51Z")
[https://groups.google.com/forum/?fromgroups#!searchin/elasticsearch/Min$20Cha|sort:date/elasticsearch/39L7hXJR8GY/gRJRiiASat0J](https://groups.google.com/forum/?fromgroups#!searchin/elasticsearch/Min$20Cha%7Csort:date/elasticsearch/39L7hXJR8GY/gRJRiiASat0J) ES supports custom score script so if I wants to sort only \_boost value, I can use script as "source.\_boost" in script. It`s simple and works fine. Example : {"query":{"custom\_score":{"query":{"query\_string":{" query":"title:"Love""}},"script":"\_source.boost"}}} 2013년 11월 19일 화요일 오후 4시 9분 54초 UTC+9, Min Cha 님의 말: > Hi all. > I am implementing keyword search function. For this I have declared > mapping as following. > > { > "fulltext":{ > "\_boost":{ > "name":"weight", > "null\_value":1.0 > }, > "properties":{ > "musicId":{ > "type":"integer", > "index":"not\_analyzed", > "store":"true" > }, > "title":{ > "type":"string", > "index":"analyzed", > "store":"true", > "analyzer":"cjk" > }, > "weight":{ > "type":"double", > "index":"not\_analyzed", > "store":"true" > } > } > } > } > > Next, I have put as following docs. > > musicId(1), title("あい"), weight(10) > musicId(2), title("あいあい"), weight(20) > musicId(3), title("あいあいあい"), weight(30) > musicId(4), title("あいあいあいあい"), weight(40) > > When, then, I searched by the keyword 'あい', output was as following. > > musicId=2 > title=あいあい > weight=20.0 > > musicId=3 > title=あいあいあい > weight=30.0 > > musicId=4 > title=あいあいあいあい > weight=40.0 > > musicId=1 > title=あい > weight=10.0 > > I expected a doc that has higher boost value will be matched at top but it > does not. > Give me some advice please. > > Thanks for reading. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/96e85231-6341-4919-adc8-af0273824777%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/96e85231-6341-4919-adc8-af0273824777%40googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Ivan](https://avatars.discourse-cdn.com/v4/letter/i/df788c/32.png) [@Ivan](https://discuss.elastic.co/u/Ivan)\ **Post date:** [December 4, 2013, 3:28pm UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/5 "2013-12-04T15:28:17Z")
Why not simply sort on the weight field? -- Ivan On Wed, Dec 4, 2013 at 1:44 AM, Min Cha [minslovey@gmail.com](mailto:minslovey@gmail.com) wrote: > [Redirecting to Google Groups](https://groups.google.com/forum/?fromgroups#!searchin/elasticsearch/Min$20Cha%7Csort:date/elasticsearch/39L7hXJR8GY/gRJRiiASat0J) > > ES supports custom score script so if I wants to sort only \_boost value, I > can use script as "source.\_boost" in script. > It`s simple and works fine. > > Example : {"query":{"custom\_score":{"query":{"query\_string":{" > query":"title:"Love""}},"script":"\_source.boost"}}} > > 2013년 11월 19일 화요일 오후 4시 9분 54초 UTC+9, Min Cha 님의 말: > > > Hi all. > > I am implementing keyword search function. For this I have declared > > mapping as following. > > > > { > > "fulltext":{ > > "\_boost":{ > > "name":"weight", > > "null\_value":1.0 > > }, > > "properties":{ > > "musicId":{ > > "type":"integer", > > "index":"not\_analyzed", > > "store":"true" > > }, > > "title":{ > > "type":"string", > > "index":"analyzed", > > "store":"true", > > "analyzer":"cjk" > > }, > > "weight":{ > > "type":"double", > > "index":"not\_analyzed", > > "store":"true" > > } > > } > > } > > } > > > > Next, I have put as following docs. > > > > musicId(1), title("あい"), weight(10) > > musicId(2), title("あいあい"), weight(20) > > musicId(3), title("あいあいあい"), weight(30) > > musicId(4), title("あいあいあいあい"), weight(40) > > > > When, then, I searched by the keyword 'あい', output was as following. > > > > musicId=2 > > title=あいあい > > weight=20.0 > > > > musicId=3 > > title=あいあいあい > > weight=30.0 > > > > musicId=4 > > title=あいあいあいあい > > weight=40.0 > > > > musicId=1 > > title=あい > > weight=10.0 > > > > I expected a doc that has higher boost value will be matched at top but > > it does not. > > Give me some advice please. > > > > Thanks for reading. > > > > -- > > You received this message because you are subscribed to the Google Groups > > "elasticsearch" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > > To view this discussion on the web visit > > [https://groups.google.com/d/msgid/elasticsearch/96e85231-6341-4919-adc8-af0273824777%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/96e85231-6341-4919-adc8-af0273824777%40googlegroups.com) > > . > > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CALY%3DcQC1A0M7kS\_YLsLYH3\_%2B9X477XuHdkODyiP7Y\_zsOYXWxw%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CALY%3DcQC1A0M7kS_YLsLYH3_%2B9X477XuHdkODyiP7Y_zsOYXWxw%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Min\_Cha](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/min_cha/32/1131_2.png) [@Min\_Cha](https://discuss.elastic.co/u/Min_Cha)\ **Post date:** [December 5, 2013, 9:06am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/6 "2013-12-05T09:06:03Z")
You are right. Sort looks like better than custom score when simply ordering by a field. 2013년 12월 5일 목요일 오전 12시 28분 17초 UTC+9, Ivan Brusic 님의 말: > Why not simply sort on the weight field? > > -- > Ivan > > On Wed, Dec 4, 2013 at 1:44 AM, Min Cha \<[mins...@gmail.com](mailto:mins...@gmail.com) \\>wrote: > > > [Redirecting to Google Groups](https://groups.google.com/forum/?fromgroups#!searchin/elasticsearch/Min$20Cha%7Csort:date/elasticsearch/39L7hXJR8GY/gRJRiiASat0J) > > > > ES supports custom score script so if I wants to sort only \_boost value, > > I can use script as "source.\_boost" in script. > > It`s simple and works fine. > > > > Example : {"query":{"custom\_score":{"query":{"query\_string":{" > > query":"title:"Love""}},"script":"\_source.boost"}}} > > > > 2013년 11월 19일 화요일 오후 4시 9분 54초 UTC+9, Min Cha 님의 말: > > > > > Hi all. > > > I am implementing keyword search function. For this I have declared > > > mapping as following. > > > > > > { > > > "fulltext":{ > > > "\_boost":{ > > > "name":"weight", > > > "null\_value":1.0 > > > }, > > > "properties":{ > > > "musicId":{ > > > "type":"integer", > > > "index":"not\_analyzed", > > > "store":"true" > > > }, > > > "title":{ > > > "type":"string", > > > "index":"analyzed", > > > "store":"true", > > > "analyzer":"cjk" > > > }, > > > "weight":{ > > > "type":"double", > > > "index":"not\_analyzed", > > > "store":"true" > > > } > > > } > > > } > > > } > > > > > > Next, I have put as following docs. > > > > > > musicId(1), title("あい"), weight(10) > > > musicId(2), title("あいあい"), weight(20) > > > musicId(3), title("あいあいあい"), weight(30) > > > musicId(4), title("あいあいあいあい"), weight(40) > > > > > > When, then, I searched by the keyword 'あい', output was as following. > > > > > > musicId=2 > > > title=あいあい > > > weight=20.0 > > > > > > musicId=3 > > > title=あいあいあい > > > weight=30.0 > > > > > > musicId=4 > > > title=あいあいあいあい > > > weight=40.0 > > > > > > musicId=1 > > > title=あい > > > weight=10.0 > > > > > > I expected a doc that has higher boost value will be matched at top but > > > it does not. > > > Give me some advice please. > > > > > > Thanks for reading. > > > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "elasticsearch" group. > > > To unsubscribe from this group and stop receiving emails from it, send an > > > email to [elasticsearc...@googlegroups.com](mailto:elasticsearc...@googlegroups.com) \. > > > To view this discussion on the web visit > > > [https://groups.google.com/d/msgid/elasticsearch/96e85231-6341-4919-adc8-af0273824777%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/96e85231-6341-4919-adc8-af0273824777%40googlegroups.com) > > > . > > > > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/d74752f0-81f6-4e2a-9a6d-665d0321cc76%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/d74752f0-81f6-4e2a-9a6d-665d0321cc76%40googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 2:03am UTC](https://discuss.elastic.co/t/sort-by-only--boost/14459/7 "2017-07-06T02:03:09Z")