Elasticsearch REST APIs

API

• https://www.elastic.co/guide/en/elasticsearch/reference/current/rest-apis.html
• https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high.html
• https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high-java-builders.html

API 7.3

• https://www.elastic.co/guide/en/elasticsearch/reference/7.3/rest-apis.html
• https://www.elastic.co/guide/en/elasticsearch/client/java-rest/7.3/java-rest-high.html
• https://www.elastic.co/guide/en/elasticsearch/client/java-rest/7.3/java-rest-high-java-builders.html

Examples

• http://localhost:9200/opal/_search?q=hello
• http://localhost:9200/opal/_mapping

Delete all documents

curl -H'Content-Type: application/json' -XPOST 'localhost:9200/opal/_doc/_delete_by_query?conflicts=proceed' -d' { "query": { "match_all": {} }}'

Source: https://stackoverflow.com/a/49383660

Delete index

curl -X DELETE "localhost:9200/opal?pretty"

Create index

Get the required mappings: https://github.com/projekt-opal/opaldata/blob/master/elasticsearch-initialization/mappings.json

curl -XPUT 'http://elastic:changeme@localhost:9200/opal'
curl -H 'Content-Type: application/json' -XPOST 'http://elastic:changeme@localhost:9200/opal/_mapping' -d @./mappings.json