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Elasticsearch之Nested Object Mapping，elasticsearch
（这是一个小系列：请戳：Elasticsearch之Nested(嵌套)系列，查看其他nested相关文章）
Setting up a nested field is simple—where you would normally specify type object, make it type nested instead:
创建一个nested 字段很简单——只要在你通常指定object类型的地方，改成nested类型就行：
curl -XPUT 'localhost:9200/my_index' -d '
{
"mappings":{
"blogpost":{
"properties":{
"comments":{
"type":"nested",
"properties":{
"name": {"type":"string" },
"comment": { "type": "string" },
"age": { "type": "short" },
"stars": { "type": "short" },
"date": { "type": "date" }
}
}
}
}
}
}原文：http://www.elastic.co/guide/en/elasticsearch/guide/master/nested-mapping.html