1. Query index information
GET /blog5
- Query index mapping information
GET /blog5/_mapping
- Match query
GET /blog5/_search
{
"query": {
"match": {
"content": "你"
}
},
"size": 20
}
4. Dictionary query
GET /blog5/_search
{
"query": {
"term": {
"content": {
"value": "你"
}
}
}
}
5.bool query
| Key words | description |
|---|---|
| must | The result of the query must match the query conditions and calculate the score |
| filter | The result of the query must match the query conditions, and the score will not be calculated if it is different from must |
| should | The query result must meet one or more of the query conditions |
| must_not | The query result must not meet the query conditions |
6. The difference between match query and term query.
| Key words | description |
|---|---|
| match | Segment query on the query field |
| term | Precise query |
7. aggs aggregate query (equivalent to group by)
GET /blog5/_search
{
"query": {
"term": {
"cid": {
"value": "2"
}
}
},
"aggs": {
"classification": {
"terms": {
"field": "cid"
}
}
}
}