Elasticsearch 7 Quick Start Guide

Post filter

The post filter is applied to the hits that are returned after a search request. Let's create the chocolates index, which will include the brand, flavours, and taste fields. We will use this index to explain the post filter:

PUT /chocolates{  "mappings": {    "properties": {      "brand": {        "type": "keyword"      },      "flavours": {        "type": "keyword"      },      "taste": {        "type": "keyword"      }    }  }}

The preceding expression creates the chocolates index. Now, let's add a certain type of chocolate with the company's information. To do that, we need to execute the following query:

PUT /chocolates/_doc/1?refresh{  "brand": "milka",  "flavours": "dark chocolate",  "taste": "salty"}

The preceding expression adds a document to the chocolates index. In the same way, ...