世界上并没有完美的程序,但是我们并不因此而沮丧,因为写程序就是一个不断追求完美的过程。
问 :geo_point有什么特点?
答 :
问 :geo_point如何使用?
答 :
# geo_point
PUT /geo_point_test
{
"mappings" : {
"properties" : {
"my_geo_point" : {"type" : "geo_point"}
}
}
}
# 索引,纬度 - 经度
POST /geo_point_test/_doc/1
{
"my_geo_point" : {
"lat" : 18,
"lon" : 40
}
}
# 索引,纬度 - 经度
POST /geo_point_test/_doc/2
{
"my_geo_point" : "30, 78"
}
# 索引, geohash
POST /geo_point_test/_doc/3
{
"my_geo_point" : "drm3btev3e86"
}
# 索引, 经度 - 纬度
POST /geo_point_test/_doc/4
{
"my_geo_point" : [80, 43]
}
# 索引,经度 - 纬度
POST /geo_point_test/_doc/5
{
"my_geo_point" : "POINT (78 40)"
}
# 搜索
GET /geo_point_test/_search
{
"query" : {
"geo_bounding_box" : {
"my_geo_point" : {
"top_left" : {
"lat" : 60,
"lon" : 44
},
"bottom_right" : {
"lat" : 35,
"lon" : 99
}
}
}
}
}
# 结果
{
"took" : 989,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 2,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "geo_point_test",
"_type" : "_doc",
"_id" : "4",
"_score" : 1.0,
"_source" : {
"my_geo_point" : [
80,
43
]
}
},
{
"_index" : "geo_point_test",
"_type" : "_doc",
"_id" : "5",
"_score" : 1.0,
"_source" : {
"my_geo_point" : "POINT (78 40)"
}
}
]
}
}