1.索引index相关操作
# 查询所有索引
GET _cat/indices?v
# 查询某个索引下的信息
GET /lockie_test
# 新增索引
PUT /lockie_test
# 删除索引
DELETE /lockie_test
# 创建索引,同时设置mapping
PUT lockie_test
{
"mappings": {
"properties": {
"orderNo": {
"type": "text"
}
}
}
}
2.mapping相关
# 查询某个索引的mapping
GET lockie_test/_mapping?pretty
# 创建索引,同时设置mapping
PUT /lockie_test/_mapping
{
"mappings": {
"properties": {
"orderNo": {
"type": "text"
}
}
}
}
# 添加新字段
POST lockie_test/_mapping
{
"properties": {
"dealDl": {
"type": "double"
},
"balanceTime": {
"type": "date",
"format": "yyyy-MM-dd HH:mm:ss"
},
"city": {
"type": "text"
}
}
}
# 删除mapping,删除索引即可
DELETE /lockie_test
3.doc相关，新增，删除，更新
# 新增数据 指定id使用PUT，不指定id由es随机生成使用POST
PUT lockie_test/_doc/1
{
"orderNo": "201910221750150001",
"dealDl": 2.5,
"balanceTime": "2019-10-22 17:50:15",
"city": "上海"
}
PUT lockie_test/_doc/2
{
"orderNo": "201910221751150002",
"dealDl": 1.5,
"balanceTime": "2019-10-22 17:51:15",
"city": "北京"
}
PUT lockie_test/_doc/3
{
"orderNo": "201910230905150003",
"dealDl": 20.8,
"balanceTime": "2019-10-23 09:05:10",
"city": "广州"
}
# 删除数据
DELETE lockie_test/_doc/3
# 根据查询条件删除
POST /lockie_test/_delete_by_query?q=city:广州
POST /lockie_test/_delete_by_query
{
"query":{
"match":{
"city": "广州"
}
}
}
# 修改数据，如果用PUT则是替换全部数据，使用POST则更新想要的数据
PUT lockie_test/_doc/3
{
"orderNo": "201910230905150003"
}
# 查询更新结果发现使用PUT更新后字段只剩下orderNo
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "3",
"_version" : 1,
"_seq_no" : 32,
"_primary_term" : 2,
"found" : true,
"_source" : {
"orderNo" : "201910230905150003"
}
}
# 如果只是想更新某个字段的值则需要使用POST，比如更新id=3的城市为深圳
POST lockie_test/_doc/3/_update
{
"doc": {
"city": "深圳",
"remark": "这是备注3"
}
}
# 查询更新后结果
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "3",
"_version" : 5,
"_seq_no" : 36,
"_primary_term" : 2,
"found" : true,
"_source" : {
"orderNo" : "201910230905150003",
"dealDl" : 20.8,
"balanceTime" : "2019-10-23 09:05:10",
"city" : "深圳",
"remark" : "这是备注3"
}
}
# 根据条件更新，批量更新
POST /lockie_test/_update_by_query
{
"script": {
"lang": "painless",
"inline": "ctx._source.remark='批量更新备注'"
}
}
# 更新使用函数计算
POST lockie_test/_doc/1/_update
{
"script": "ctx._source.dealDl += 1"
}
# 查看更新后的结果
{
"took" : 154,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "深圳",
"remark" : "批量更新备注",
"balanceTime" : "2019-10-22 17:50:15"
}
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "2",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910221751150002",
"dealDl" : 1.5,
"city" : "北京",
"remark" : "批量更新备注",
"balanceTime" : "2019-10-22 17:51:15"
}
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "3",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910230905150003",
"dealDl" : 20.8,
"city" : "深圳",
"remark" : "批量更新备注",
"balanceTime" : "2019-10-23 09:05:10"
}
}
]
}
}
4.doc的查询操作
# 查询所有数据
GET lockie_test/_search
{
"took" : 619,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "2",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910221751150002",
"dealDl" : 1.5,
"city" : "北京",
"remark" : "这是备注2",
"balanceTime" : "2019-10-22 17:51:15"
}
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "3",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910230905150003",
"dealDl" : 20.8,
"city" : "深圳",
"remark" : "这是备注3",
"balanceTime" : "2019-10-23 09:05:10"
}
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "上海",
"remark" : "这是备注1",
"balanceTime" : "2019-10-22 17:50:15"
}
}
]
}
}
# 查询所有的并且排序
GET lockie_test/_search?sort=_id:asc
# 根据id查询
GET lockie_test/_doc/1
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_version" : 22,
"_seq_no" : 43,
"_primary_term" : 2,
"found" : true,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "上海",
"remark" : "这是备注1",
"balanceTime" : "2019-10-22 17:50:15"
}
}
# 根据其他条件查询
GET /lockie_test/_search?q=remark:备注&sort=dealDl:desc
# 查询只显示指定字段
GET lockie_test/_doc/1?_source=orderNo,remark
GET lockie_test/_search
{
"_source": ["orderNo","city","remark"]
}
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_version" : 22,
"_seq_no" : 43,
"_primary_term" : 2,
"found" : true,
"_source" : {
"orderNo" : "201910221750150001",
"remark" : "这是备注1"
}
}
# 分页查询from ,to分页参数
GET lockie_test/_search
{
"from": 0,
"size": 2,
"sort": [
{
"dealDl": {
"order": "asc"
}
}
],
"query": {
"match_all": {}
}
}
# match匹配查询，类似数据库的like，match_phrase将条件作为一个短语进行查询
GET /lockie_test/_search
{
"query": {
"match": {
"city": "深圳"
}
}
}
# must查询，条件必须满足才能查到
GET /lockie_test/_search
{
"query": {
"bool": {
"must": [
{
"term": {
"orderNo": {
"value": "201910221750150001"
}
}
},
{
"match": {
"city": "上海"
}
}
]
}
}
}
{
"took" : 1,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 1,
"relation" : "eq"
},
"max_score" : 2.9424875,
"hits" : [
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_score" : 2.9424875,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "上海",
"remark" : "这是备注1",
"balanceTime" : "2019-10-22 17:50:15"
}
}
]
}
}
# should查询，类似数据库的or，条件任一个满足即可
GET /lockie_test/_search
{
"query": {
"bool": {
"should": [
{
"term": {
"orderNo": {
"value": "201910221750150001"
}
}
},
{
"match": {
"city": "深圳"
}
}
]
}
}
}
{
"took" : 0,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 2,
"relation" : "eq"
},
"max_score" : 1.9616584,
"hits" : [
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "3",
"_score" : 1.9616584,
"_source" : {
"orderNo" : "201910230905150003",
"dealDl" : 20.8,
"city" : "深圳",
"remark" : "这是备注3",
"balanceTime" : "2019-10-23 09:05:10"
}
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_score" : 0.9808292,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "上海",
"remark" : "这是备注1",
"balanceTime" : "2019-10-22 17:50:15"
}
}
]
}
}
# minimum_should_match 这个是指或的条件,必须满足多少条,下面的minimum_should_match=2,所以一条都查不到
GET /lockie_test/_search
{
"query": {
"bool": {
"should": [
{
"term": {
"orderNo": {
"value": "201910221750150001"
}
}
},
{
"match": {
"city": "深圳"
}
}
],
"minimum_should_match": 2
}
}
}
# must_not 排出条件值，类似数据库的not和not in
GET /lockie_test/_search
{
"query": {
"bool": {
"must_not": [
{
"term": {
"orderNo": {
"value": "201910230905150003"
}
}
}
]
}
}
}
# range 范围查询
GET /lockie_test/_search
{
"query": {
"bool": {
"must": [
{
"range": {
"balanceTime": {
"gte": "2019-10-21 00:00:00",
"lte": "2019-10-22 23:00:00"
}
}
}
]
}
}
}
{
"took" : 0,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 2,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "2",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910221751150002",
"dealDl" : 1.5,
"city" : "北京",
"remark" : "这是备注2",
"balanceTime" : "2019-10-22 17:51:15"
}
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_score" : 1.0,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "上海",
"remark" : "这是备注1",
"balanceTime" : "2019-10-21 10:50:15"
}
}
]
}
}
# 聚合查询，分组类似数据库的group by
GET /lockie_test/_search
{
"size": 0,
"aggs": {
"group_by_city": {
"terms": {
"field": "city"
}
}
}
}
{
"took" : 0,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : null,
"hits" : [
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "2",
"_score" : null,
"_source" : {
"orderNo" : "201910221751150002",
"dealDl" : 1.5,
"city" : "北京",
"remark" : "这是备注2",
"balanceTime" : "2019-10-22 17:51:15"
},
"sort" : [
1.5
]
},
{
"_index" : "lockie_test",
"_type" : "_doc",
"_id" : "1",
"_score" : null,
"_source" : {
"orderNo" : "201910221750150001",
"dealDl" : 3.5,
"city" : "上海",
"remark" : "这是备注1",
"balanceTime" : "2019-10-21 10:50:15"
},
"sort" : [
3.5
]
}
]
}
}
# avg求平均值
GET /lockie_test/_search
{
"size": 0,
"aggs": {
"avg_dealDl": {
"avg": {
"field": "dealDl"
}
}
}
}
{
"took" : 3,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : null,
"hits" : [ ]
},
"aggregations" : {
"avg_dealDl" : {
"value" : 8.6
}
}
}
# 分组聚合求平均值
GET /lockie_test/_search
{
"size": 0,
"aggs": {
"group_by_time": {
"terms": {
"field": "balanceTime",
"order": {
"avg_dealDl": "asc"
}
},
"aggs": {
"avg_dealDl": {
"avg": {
"field": "dealDl"
}
}
}
}
}
}
{
"took" : 6,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : null,
"hits" : [ ]
},
"aggregations" : {
"group_by_time" : {
"doc_count_error_upper_bound" : 0,
"sum_other_doc_count" : 0,
"buckets" : [
{
"key" : 1571766675000,
"key_as_string" : "2019-10-22 17:51:15",
"doc_count" : 1,
"avg_dealDl" : {
"value" : 1.5
}
},
{
"key" : 1571655015000,
"key_as_string" : "2019-10-21 10:50:15",
"doc_count" : 1,
"avg_dealDl" : {
"value" : 3.5
}
},
{
"key" : 1571821510000,
"key_as_string" : "2019-10-23 09:05:10",
"doc_count" : 1,
"avg_dealDl" : {
"value" : 20.8
}
}
]
}
}
}
