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Example code of everzel/elasticsearch-query-builder

Informations about the package elasticsearch-query-builder

Build and execute ElasticSearch queries using a fluent PHP API

Latest Version on Packagist Tests GitHub Code Style Action Status Total Downloads

This package is a lightweight query builder for ElasticSearch. It was specifically built for our elasticsearch-search-string-parser so it covers most use-cases but might lack certain features. We're always open for PRs if you need anything specific!

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Installation

You can install the package via composer:

Basic usage

The only class you really need to interact with is the Everzel\ElasticsearchQueryBuilder\Builder class. It requires an \Elasticsearch\Client passed in the constructor. Take a look at the ElasticSearch SDK docs to learn more about connecting to your ElasticSearch cluster.

The Builder class contains some methods to pagination. You can read more about these methods below. Once you've fully built-up the query you can use $builder->search() to execute the query or $builder->getPayload() to get the raw payload for ElasticSearch.

Adding queries

The $builder->addQuery() method can be used to add any of the available Query types to the builder. The available query types can be found below or in the src/Queries directory of this repo. Every Query has a static create() method to pass its most important parameters.

The following query types are available:

ExistsQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-exists-query.html

MatchQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-match-query.html

MultiMatchQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-multi-match-query.html

NestedQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-nested-query.html

RangeQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-range-query.html

TermQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-term-query.html

WildcardQuery

[https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-wildcard-query.html](https://www. elastic.co/guide/en/elasticsearch/reference/current/query-dsl-wildcard-query.html)

BoolQuery

https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-bool-query.html

Chaining multiple queries

Multiple addQuery() calls can be chained on one Builder. Under the hood they'll be added to a BoolQuery with occurrence type must. By passing a second argument to the addQuery() method you can select a different occurrence type:

More information on the boolean query and its occurrence types can be found in the ElasticSearch docs.

Adding aggregations

The $builder->addAggregation() method can be used to add any of the available Aggregations to the builder. The available aggregation types can be found below or in the src/Aggregations directory of this repo. Every Aggregation has a static create() method to pass its most important parameters and sometimes some extra methods.

The following query types are available:

CardinalityAggregation

FilterAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filter-aggregation.html

MaxAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-max-aggregation.html

MinAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-min-aggregation.html

NestedAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-nested-aggregation.html

ReverseNestedAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-reverse-nested-aggregation.html

TermsAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html

TopHitsAggregation

https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-metrics-top-hits-aggregation.html

Adding sorts

The Builder (and some aggregations) has a addSort() method that takes a Sort instance to sort the results. You can read more about how sorting works in the ElasticSearch docs.

Retrieve specific fields

The fields() method can be used to request specific fields from the resulting documents without returning the entire _source entry. You can read more about the specifics of the fields parameter in the ElasticSearch docs.

Pagination

Finally the Builder also features a size() and from() method for the corresponding ElasticSearch search parameters. These can be used to build a paginated search. Take a look the following example to get a rough idea:

Testing

Changelog

Please see CHANGELOG for more information on what has changed recently.

Contributing

Please see CONTRIBUTING for details.

Security Vulnerabilities

Please review our security policy on how to report security vulnerabilities.

Credits

License

The MIT License (MIT). Please see License File for more information.

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