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 :dynamic_templates有什么特点?
答 :
问 :dynamic_templates如何使用?
答 :
# dynamic_templates,
# 将数字映射为integer
# 将String映射为text和keyword
#
PUT /dynamic_templates_test
{
"mappings" : {
"dynamic_templates" : [
{
"integers" : {
"match_mapping_type" : "long",
"match" : "*_age",
"unmatch" : "name_*",
"mapping" : {
"type" : "integer"
}
}
},
{
"strings" : {
"match_mapping_type" : "string",
"path_match" : "*.name",
"path_unmatch" : "user.age",
"mapping" : {
"type" : "text",
"fields" : {
"raw" : {
"type" : "keyword",
"ignore_above" : 256
}
}
}
}
},
{
"d_dynamic" : {
"match_mapping_type" : "string",
"path_match" : "analyzer_name.*",
"mapping" : {
"type" : "{dynamic_type}",
"analyzer" : "{name}",
"store" : true
}
}
}
]
}
}
# 索引
POST /dynamic_templates_test/_doc/1
{
"my_number" : 324324234,
"my_age" : 324324234,
"my_string" : "hello",
"user" : {
"name" : "good",
"age" : 18
},
"analyzer_name" : {
"standard" : "hello",
"english" : "good"
}
}
# show mapping
GET /dynamic_templates_test/_mapping
# 结果
{
"dynamic_templates_test" : {
"mappings" : {
"dynamic_templates" : [
{
"integers" : {
"match" : "*_age",
"unmatch" : "name_*",
"match_mapping_type" : "long",
"mapping" : {
"type" : "integer"
}
}
},
{
"strings" : {
"path_match" : "*.name",
"path_unmatch" : "user.age",
"match_mapping_type" : "string",
"mapping" : {
"fields" : {
"raw" : {
"ignore_above" : 256,
"type" : "keyword"
}
},
"type" : "text"
}
}
},
{
"d_dynamic" : {
"path_match" : "analyzer_name.*",
"match_mapping_type" : "string",
"mapping" : {
"analyzer" : "{name}",
"store" : true,
"type" : "{dynamic_type}"
}
}
}
],
"properties" : {
"analyzer_name" : {
"properties" : {
"english" : {
"type" : "text",
"store" : true,
"analyzer" : "english"
},
"standard" : {
"type" : "text",
"store" : true,
"analyzer" : "standard"
}
}
},
"my_age" : {
"type" : "integer"
},
"my_number" : {
"type" : "long"
},
"my_string" : {
"type" : "text",
"fields" : {
"keyword" : {
"type" : "keyword",
"ignore_above" : 256
}
}
},
"user" : {
"properties" : {
"age" : {
"type" : "long"
},
"name" : {
"type" : "text",
"fields" : {
"raw" : {
"type" : "keyword",
"ignore_above" : 256
}
}
}
}
}
}
}
}
}
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