? 匹配任意字符
* 匹配0个或多个字符
query = {
"track_total_hits": "true",
"query": {
"bool": {
"filter": [
{
"wildcard": {
"A.keyword": "*"
}
}
]
}
},
"size": 0,
"aggs": {
"nums": {
"cardinality": {
"field": "A.keyword"
}
}
}
}
- 包含某个子字符串
{
"wildcard": {
"标题.keyword": {
"value": "*子字符串*"
}
}
}
