Each document indexed is associated with a _type (see the section called “Mapping Typesedit”) and an_id. The _id field is not indexed as its value can be derived automatically from the _uid field.
The value of the _id field is accessible in certain queries (term, terms, match, query_string,simple_query_string), but not in aggregations, scripts or when sorting, where the _uid field should be used instead:
# Example documents
PUT my_index/my_type/1 {
"text": "Document with ID 1" } PUT my_index/my_type/2&refresh=true {
"text": "Document with ID 2" } GET my_index/_search {
"query": {
"terms": {
"_id": [ "1", "2" ] 
} } }
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Querying on the |
本文转自张昺华-sky博客园博客，原文链接：http://www.cnblogs.com/bonelee/p/6437808.html
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