I'm using a custom analyzer to stem possessive english. My custom analyzer
seems to be ignored. As a sample search, we'll use "McDonald's".
What I used to create my analyzer:
{
"settings": {
"analysis": {
"analyzer": {
"default": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"standard",
"lowercase",
"stop",
"pos_english"
]
}
},
"filter": {
"pos_english": {
"type": "stemmer",
"name": "possessive_english"
}
}
}
}
}
My mapping:
{
"item": {
"_boost": {
"name": "custom_boost",
"null_value": 1
},
"properties": {
"servings": {
"enabled": false,
"type": "object"
},
"brand_name": {
"index": "analyzed",
"type": "string",
"store": false
},
"food_name": {
"index": "analyzed",
"type": "string",
"store": false
}
}
}
}
When I test the analyzer for the text 'McDonald's', it seems to work
properly:
{
"tokens": [
{
"token": "mcdonald",
"start_offset": 0,
"end_offset": 10,
"type": "<ALPHANUM>",
"position": 1
}
]
}
However, if I search for 'McDonald', I get no results. If I search for
'McDonald's' (with the possessive), I get my expected results. It seems
like the analyzer is being ignored during the query.
Search query that returns no results:
{
"query": {
"match": {
"_all": {
"query": "mcdonalds"
}
}
}
}
Any idea what I'm doing wrong?
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