代码
GET so_blog/_search
{
"suggest": {
"text" : "jeva null point exception",
"simple_phrase" : {
"phrase" : {
"field" : "title",
"size" : 3,
"direct_generator" : [ {
"field" : "title",
"suggest_mode" : "always",
"min_word_length" : 4
} ],
"collate": {
"query": {
"source" : {
"match": {
"{{field_name}}" : "{{suggestion}}"
}
}
},
"params": {"field_name" : "title"},
"prune": true
}
}
}
}
}
结果
{
"took": 17,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 0,
"max_score": 0,
"hits": []
},
"suggest": {
"simple_phrase": [
{
"text": "jeva null point exception",
"offset": 0,
"length": 25,
"options": [
{
"text": "java null point exception",
"score": 5.7761673e-7,
"collate_match": true
},
{
"text": "java null print exception",
"score": 5.6032076e-7,
"collate_match": true
},
{
"text": "java null points exception",
"score": 4.1224448e-7,
"collate_match": true
}
]
}
]
}
}
参考地址
详细信息参考下面的地址，官网给出了几种不同的方式。 https://www.elastic.co/guide/en/elasticsearch/reference/current/search-suggesters-phrase.html
相关知识点
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