50_初识搜索引擎_上机动手实战常用的各种query搜索语法

课程大纲

1、match all

GET /_search
{
"query": {
"match_all": {}
}
}

2、match

GET /_search
{
"query": { "match": { "title": "my elasticsearch article" }}
}

3、multi match

GET /test_index/test_type/_search
{
"query": {
"multi_match": {
"query": "test",
"fields": ["test_field", "test_field1"]
}
}
}

4、range query

GET /company/employee/_search
{
"query": {
"range": {
"age": {
"gte": 30
}
}
}
}

5、term query

GET /test_index/test_type/_search
{
"query": {
"term": {
"test_field": "test hello"
}
}
}

6、terms query

GET /_search
{
"query": { "terms": { "tag": [ "search", "full_text", "nosql" ] }}
}

7、exist query（2.x中的查询，现在已经不提供了）