Hungarian analyzer
The built-in hungarian analyzer can be applied to a text field using the following command:
PUT /hungarian-index
{
"mappings": {
"properties": {
"content": {
"type": "text",
"analyzer": "hungarian"
}
}
}
}
Stem exclusion
You can use stem_exclusion with this language analyzer using the following command:
PUT index_with_stem_exclusion_hungarian_analyzer
{
"settings": {
"analysis": {
"analyzer": {
"stem_exclusion_hungarian_analyzer": {
"type": "hungarian",
"stem_exclusion": ["hatalom", "jóváhagyás"]
}
}
}
}
}
Hungarian analyzer internals
The hungarian analyzer is built using the following components:
-
Tokenizer:
standard -
Token filters:
- lowercase
- stop (Hungarian)
- keyword
- stemmer (Hungarian)
Custom Hungarian analyzer
You can create a custom Hungarian analyzer using the following command:
PUT /hungarian-index
{
"settings": {
"analysis": {
"filter": {
"hungarian_stop": {
"type": "stop",
"stopwords": "_hungarian_"
},
"hungarian_stemmer": {
"type": "stemmer",
"language": "hungarian"
},
"hungarian_keywords": {
"type": "keyword_marker",
"keywords": []
}
},
"analyzer": {
"hungarian_analyzer": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"lowercase",
"hungarian_stop",
"hungarian_keywords",
"hungarian_stemmer"
]
}
}
}
},
"mappings": {
"properties": {
"content": {
"type": "text",
"analyzer": "hungarian_analyzer"
}
}
}
}
Generated tokens
Use the following request to examine the tokens generated using the analyzer:
POST /hungarian-index/_analyze
{
"field": "content",
"text": "A diákok a magyar egyetemeken tanulnak. A számaik 123456."
}
The response contains the generated tokens:
{
"tokens": [
{
"token": "diák",
"start_offset": 2,
"end_offset": 8,
"type": "<ALPHANUM>",
"position": 1
},
{
"token": "magyar",
"start_offset": 11,
"end_offset": 17,
"type": "<ALPHANUM>",
"position": 3
},
{
"token": "egyetem",
"start_offset": 18,
"end_offset": 29,
"type": "<ALPHANUM>",
"position": 4
},
{
"token": "tanul",
"start_offset": 30,
"end_offset": 38,
"type": "<ALPHANUM>",
"position": 5
},
{
"token": "szám",
"start_offset": 42,
"end_offset": 49,
"type": "<ALPHANUM>",
"position": 7
},
{
"token": "123456",
"start_offset": 50,
"end_offset": 56,
"type": "<NUM>",
"position": 8
}
]
}