Скачать или смотреть How to Do Elasticsearch Nested Query With Java Client 2022.

⭐⭐⭐How to Do Elasticsearch Nested Query With Java Client 2022.⭐⭐⭐

We can perform a nested query in Elasticsearch by using the nested param. A nested query will search the nested objects and return the document’s root object if there’s a matching object

How to Use a Nested Query
To run a nested query, we must have an elastic index that includes a nested mapping. Wraps another query to search nested fields.

The nested query searches nested field objects as if they were indexed as separate documents. If an object matches the search, the nested query returns the root parent document.

If you want to know what is ELK stack and how to install Elasticsearch then please visit following video.
   • How to Install and Configure ELK stack v 7...  


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How to Do Elasticsearch Nested Query With Java Client
⏲️Time Stamps⏲️
0:30 - Overview
2:10 - Starting Elasticsearch
2:37 - Starting Kibana
3:32 - creating Java project
7:18 - Adding sample data to ES
11:40- writing java programs
14:00 - nested query syntax java
15:40 - Running java programs
16:47 - Another example from ES docs

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