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elasticsearch中的icu_tokenizer似乎在遇到重音字符(如Č
)时将单词分段成段,并返回奇怪的数字。例如弹性搜索:为捷克字符配置icu_tokenizer
GET /_analyze?text=OBČERSTVENÍ&tokenizer=icu_tokenizer
回报
"tokens": [
{
"token": "OB",
"start_offset": 0,
"end_offset": 2,
"type": "<ALPHANUM>",
"position": 1
},
{
"token": "268",
"start_offset": 4,
"end_offset": 7,
"type": "<NUM>",
"position": 2
},
{
"token": "ERSTVEN",
"start_offset": 8,
"end_offset": 15,
"type": "<ALPHANUM>",
"position": 3
}
]
}
我不知道捷克,但快速谷歌暗示OBČERSTVENÍ是一个字。有没有办法配置弹性搜索正常工作的捷克语?
我已经如下使用icu_noramlizer试过,但
PUT /my_index_cz
{
"settings": {
"analysis": {
"analyzer": {
"my_analyzer": {
"char_filter": ["icu_normalizer"],
"tokenizer": "icu_tokenizer"
}
}
}
}
}
GET /my_index_cz/_analyze?text=OBČERSTVENÍ&analyzer=my_analyzer