ElasticSearch(7.2.2)-es之查询建议
查询建议
- 查询建议，是为了给⽤户提供更好的搜索体验。包括：词条检查，⾃动补全。
- 词条检查
- 自动补全
Suggester
- Term suggester
- Phrase suggester
- Completion suggester
字段
Term suggester
- term 词条建议器，对给输⼊的⽂本进⾏分词，为每个分词提供词项建议
POST /nba_latest/_search
{
"suggest": {
"my-suggestion": {
"text": "jamse hardne",
"term": {
"suggest_mode": "missing",
"field": "displayNameEn"
}
}
}
}Phrase suggester
- phrase 短语建议，在term的基础上，会考量多个term之间的关系，⽐如是否同时出现在索引的原⽂⾥，相邻程度，以及词频等
POST /nba_latest/_search
{
"suggest": {
"my-suggestion": {
"text": "jamse harden",
"phrase": {
"field": "displayNameEn"
}
}
}
}Completion suggester
- Completion 完成建议
POST /nba_latest/_search
{
"suggest": {
"my-suggestion": {
"text": "Miam",
"completion": {
"field": "teamCityEn"
}
}
}
}举报
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