# Why can't I assign a boost to integer types in my mapping?
**URL:** https://discuss.elastic.co/t/why-cant-i-assign-a-boost-to-integer-types-in-my-mapping/10675
**Category:** Elasticsearch
**Created:** [February 8, 2013, 11:38pm UTC](https://discuss.elastic.co/t/why-cant-i-assign-a-boost-to-integer-types-in-my-mapping/10675 "2013-02-08T23:38:10Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@tbrianjones](https://discuss.elastic.co/u/tbrianjones)
#### Post date: [February 8, 2013, 11:38pm UTC](https://discuss.elastic.co/t/why-cant-i-assign-a-boost-to-integer-types-in-my-mapping/10675/1 "2013-02-08T23:38:10Z")
Every time I try to assign a boost to an integer I get the following error
message:
{"error":"UnsupportedOperationException[You cannot set an index-time boost:
norms are omitted for field 'field\_name']","status":500}
Here is my mapping for that field:
"field\_name" : { "type" : "integer", "index" : "not\_analyzed",
"include\_in\_all" : true, "boost" : 10 }
This fails with other number types as well. Boosting works fine on string
types.
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### Author:  [@Clinton\_Gormley](https://discuss.elastic.co/u/Clinton_Gormley)
#### Post date: [February 9, 2013, 3:00pm UTC](https://discuss.elastic.co/t/why-cant-i-assign-a-boost-to-integer-types-in-my-mapping/10675/2 "2013-02-09T15:00:41Z")
> {"error":"UnsupportedOperationException[You cannot set an index-time
> boost: norms are omitted for field 'field\_name']","status":500}
Norms are not stored for numeric fields, and index time boost is stored
in the "norms".
This is a good thing - norms add a lot to index size. Boost is easy to
apply at search time and gives you more flexibility:
{ match: { field\_name: { query: 5, boost: 10 }}}
clint
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:52am UTC](https://discuss.elastic.co/t/why-cant-i-assign-a-boost-to-integer-types-in-my-mapping/10675/3 "2017-07-06T02:52:16Z")