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copied!<p>What you need to do is override the search mapping in Haystack's ElasticSearch backend.</p> <p>In brief: extend the ElasticSearch backend and either replace directly or by a <code>settings.py</code> import a new schema mapping.</p> <pre><code>from django.conf import settings from haystack.backends.elasticsearch_backend import (ElasticsearchSearchBackend, ElasticsearchSearchEngine) class MyElasticBackend(ElasticsearchSearchBackend): def __init__(self, connection_alias, **connection_options): super(ConfigurableElasticBackend, self).__init__( connection_alias, **connection_options) MY_SETTINGS = { 'settings': { "analysis": { "analyzer": { "ngram_analyzer": { "type": "custom", "tokenizer": "lowercase", "filter": ["haystack_ngram"] }, "edgengram_analyzer": { "type": "custom", "tokenizer": "lowercase", "filter": ["haystack_edgengram"] } }, "tokenizer": { "haystack_ngram_tokenizer": { "type": "nGram", "min_gram": 3, "max_gram": 15, }, "haystack_edgengram_tokenizer": { "type": "edgeNGram", "min_gram": 2, "max_gram": 15, "side": "front" } }, "filter": { "haystack_ngram": { "type": "nGram", "min_gram": 3, "max_gram": 15 }, "haystack_edgengram": { "type": "edgeNGram", "min_gram": 5, "max_gram": 15 } } } } } setattr(self, 'DEFAULT_SETTINGS', MY_SETTINGS) class ConfigurableElasticSearchEngine(ElasticsearchSearchEngine): backend = MyElasticBackend </code></pre> <p>For a fuller explanation see my <a href="http://www.wellfireinteractive.com/blog/custom-haystack-elasticsearch-backend/" rel="noreferrer">write up about extending the ElasticSearch backend</a> to customize the search mapping.</p>

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