elasticsearch-tutorial | Tutorial on using Elasticsearch | Plugin library
kandi X-RAY | elasticsearch-tutorial Summary
kandi X-RAY | elasticsearch-tutorial Summary
These are two simple Elasticsearch applications that do following things:.
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QUESTION
I saw Spring Boot's mapping with the document annotation. Using the @Document annotation to define the index obligates me to specific amount of fields and specific fields names. In my application users define their own fields, so @Document is not a good match for my needs.
How can I achieve dynamic fields for a specific index with spring data?
example:
A user generates some data:
...ANSWER
Answered 2019-Dec-27 at 21:57Be aware that the linked document is a couple of years old.
With Spring Data Elasticsearch it is possible to index objects of different classes (not just Maps) to the same index, not with the Repository methods but with the methods of the implementations of the ElasticsearchOperations interface.
You can achieve this by using the ElasticsearchOperations.index(IndexQuery query) for versions up to the current version 3.2. From 4.0 on this will become DocumentOperations.index(IndexQuery, IndexCoordinates).
The IndexQuery contains a field that specifies the index name where the document data should be stored to. From version 4.0 on, the information in the second parameter is used to pass this information.
If you store data this way, be aware that the index mappings are not created by Spring Data Elasticsearch and you have no control over it. If first a document containing
QUESTION
I don't understand the relationship between the High Level REST CLient (which replaces the Transport Client) and Spring Data Elasticsearch.
There are tutorials (https://www.baeldung.com/spring-data-elasticsearch-tutorial) showing how to make JPA-style queries with auto-implemented methods like getSomethingById(). They utilize this interface:
...ANSWER
Answered 2018-Aug-15 at 07:06There's an open issue regarding this in the Spring Data ES repo: https://jira.spring.io/browse/DATAES-407
QUESTION
I have integrated elastic search in laravel with help of below tutorial.
https://appdividend.com/2018/06/30/laravel-elasticsearch-tutorial-example/
According to this tutorial search with single fields is working fine. i.e.
...ANSWER
Answered 2018-Oct-08 at 13:18You can use the multimatch query, above is some sample how this can be done.
QUESTION
Being new to elasticsearch, am exploring it by integrating with node and trying to execute the following online git example in windows.
https://github.com/sitepoint-editors/node-elasticsearch-tutorial
while trying to import the data of 1000 items from data.json, the execution 'node index.js' is failing with the following error.
By enabling the trace, I now see the following as the root cause from the bulk function.
...ANSWER
Answered 2018-Jan-13 at 09:15The bulk function doesn't return a promise. It accepts a callback function as a parameter.
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