Combining Queries: Bool Query
Elasticsearch allows you to combine multiple queries using a bool query, which supports must, should, must_not, and filter clauses for complex querying logic.
GET /products/_search
{
"query": {
"bool": {
"must": [
{ "match": { "name": "Smartphone" } },
{ "term": { "category": "Electronics" } }
]
}
}
}
In this example:
- We use a bool query to find documents where the name field contains “Smartphone” and the category field is “Electronics“.
- The must clause specifies that both conditions must be met for a document to be considered a match.
Querying Data in Elastic Search
Querying data in Elasticsearch is a fundamental skill for effectively retrieving and analyzing information stored in this powerful search engine. In this guide, we’ll explore various querying techniques in Elasticsearch, providing clear examples and outputs to help you understand the process.
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