# Changing analyzer filters
**URL:** https://discuss.elastic.co/t/changing-analyzer-filters/16688
**Category:** Elasticsearch
**Created:** [March 28, 2014, 8:55pm UTC](https://discuss.elastic.co/t/changing-analyzer-filters/16688 "2014-03-28T20:55:09Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Rafael\_Almeida](https://discuss.elastic.co/u/Rafael_Almeida)
#### Post date: [March 28, 2014, 8:55pm UTC](https://discuss.elastic.co/t/changing-analyzer-filters/16688/1 "2014-03-28T20:55:09Z")
Hello,
I had the following analyzer on my elasticsearch configuration:
```
teste:
type: custom
tokenizer: standard
filter: [standard]
```
A field named title uses that analyzer. I indexed ATLÉTICO using it.
Searching for ATLÉTICO works. Searching for atletico gives me no result.
Afterwards, I stoped elasticsearch and changed the analyzer to
```
teste:
type: custom
tokenizer: standard
filter: [lowercase_pt, asciifolding, standard]
```
in the configuration file. Now, without reindexing anything, I searched for
"atletico" and the document was returned. That looks odd to me. Was the
document reindexed automatically? How did the query work? I used query
string to search for it and I specified that analyzer on it.
[]'s
Rafael
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### Author:  [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [March 29, 2014, 8:08am UTC](https://discuss.elastic.co/t/changing-analyzer-filters/16688/2 "2014-03-29T08:08:38Z")
Was the document reindexed automatically?
No.
It's hard to tell more without a full curl recreation with all the steps you did.
--
David 😉
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
Le 28 mars 2014 à 21:55, Rafael Almeida [almeidaraf@gmail.com](mailto:almeidaraf@gmail.com) a écrit :
Hello,
I had the following analyzer on my elasticsearch configuration:
```
teste:
type: custom
tokenizer: standard
filter: [standard]
```
A field named title uses that analyzer. I indexed ATLÉTICO using it. Searching for ATLÉTICO works. Searching for atletico gives me no result. Afterwards, I stoped elasticsearch and changed the analyzer to
```
teste:
type: custom
tokenizer: standard
filter: [lowercase_pt, asciifolding, standard]
```
in the configuration file. Now, without reindexing anything, I searched for "atletico" and the document was returned. That looks odd to me. Was the document reindexed automatically? How did the query work? I used query string to search for it and I specified that analyzer on it.
## []'s Rafael
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---
### Author:  [@Rafael\_Almeida](https://discuss.elastic.co/u/Rafael_Almeida)
#### Post date: [March 31, 2014, 2:11pm UTC](https://discuss.elastic.co/t/changing-analyzer-filters/16688/3 "2014-03-31T14:11:03Z")
Right. Let me elaborate my question, then.
This is my analyzer at first:
```
test:
type: custom
tokenizer: standard
filter: [standard]
```
$ curl -XPUT '[http://localhost:1980/t](http://localhost:1980/t)';echo
{"ok":true,"acknowledged":true}
$ curl -XPUT '[http://localhost:1980/t/t/\_mapping](http://localhost:1980/t/t/_mapping)' -d'{"t": {"properties":
{"title": {"type":"string", "analyzer": "test"}}}}';echo
{"ok":true,"acknowledged":true}
$ curl -XPOST '[http://localhost:1980/t/t/1](http://localhost:1980/t/t/1)' -d'{"title": "ATLETICO"}';echo
{"ok":true,"\_index":"t","\_type":"t","\_id":"1","\_version":1}
$ curl -XPOST '[http://localhost:1980/t/\_search?pretty](http://localhost:1980/t/_search?pretty)' -d'{"query":
{"query\_string": {"fields": ["title"], "query": "ATLETICO",
"analyzer":"test"}}}';echo
{
"took" : 44,
"timed\_out" : false,
"\_shards" : {
"total" : 1,
"successful" : 1,
"failed" : 0
},
"hits" : {
"total" : 1,
"max\_score" : 0.30685282,
"hits" : [ {
"\_index" : "t",
"\_type" : "t",
"\_id" : "1",
"\_score" : 0.30685282, "\_source" : {"title": "ATLETICO"}
} ]
}
}
$ curl -XPOST '[http://localhost:1980/t/\_search?pretty](http://localhost:1980/t/_search?pretty)' -d'{"query":
{"query\_string": {"fields": ["title"], "query": "atletico",
"analyzer":"test"}}}';echo
{
"took" : 2,
"timed\_out" : false,
"\_shards" : {
"total" : 1,
"successful" : 1,
"failed" : 0
},
"hits" : {
"total" : 0,
"max\_score" : null,
"hits" : []
}
}
So far so good. Now I changed my analyzer to this (and restarted
elasticsearch):
```
test:
type: custom
tokenizer: standard
filter: [lowercase, standard]
```
Now that last query returns a result:
$ curl -XPOST '[http://localhost:1980/t/\_search?pretty](http://localhost:1980/t/_search?pretty)' -d'{"query":
{"query\_string": {"fields": ["title"], "query": "atletico",
"analyzer":"test"}}}';echo
{
"took" : 45,
"timed\_out" : false,
"\_shards" : {
"total" : 1,
"successful" : 1,
"failed" : 0
},
"hits" : {
"total" : 1,
"max\_score" : 0.30685282,
"hits" : [ {
"\_index" : "t",
"\_type" : "t",
"\_id" : "1",
"\_score" : 0.30685282, "\_source" : {"title": "ATLETICO"}
} ]
}
}
What's happening?
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---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 1:39am UTC](https://discuss.elastic.co/t/changing-analyzer-filters/16688/4 "2017-07-06T01:39:22Z")