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POElasticSearch: strange search behaviour when using snowball analyzer
 

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  1. POElasticSearch: strange search behaviour when using snowball analyzer
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    <p>So let's say I have an ElasticSearch index defined like this:</p> <pre><code>curl -XPUT 'http://localhost:9200/test' -d '{ "mappings": { "example": { "properties": { "text": { "type": "string", "analyzer": "snowball" } } } } }' curl -XPUT 'http://localhost:9200/test/example/1' -d '{ "text": "foo bar organization" }' </code></pre> <p>When I search for "foo organizations" with snowball analyzer, both keywords match as expected:</p> <pre><code>curl -XGET http://localhost:9200/test/example/_search -d '{ "query": { "text": { "_all": { "query": "foo organizations", "analyzer": "snowball" } } }, "highlight": { "fields": { "text": {} } } }' { "took": 1, "timed_out": false, "_shards": { "total": 5, "successful": 5, "failed": 0 }, "hits": { "total": 1, "max_score": 0.015912745, "hits": [ { "_index": "test", "_type": "example", "_id": "1", "_score": 0.015912745, "_source": { "text": "foo bar organization" }, "highlight": { "text": [ "&lt;em&gt;foo&lt;/em&gt; bar &lt;em&gt;organization&lt;/em&gt;" ] } } ] } } </code></pre> <p>But when I search for only "organizations" I don't get any result at all which is very weird:</p> <pre><code>curl -XGET http://localhost:9200/test/example/_search -d '{ "query": { "text": { "_all": { "query": "organizations", "analyzer": "snowball" } } }, "highlight": { "fields": { "text": {} } } }' { "took": 1, "timed_out": false, "_shards": { "total": 5, "successful": 5, "failed": 0 }, "hits": { "total": 0, "max_score": null, "hits": [] } } </code></pre> <p>However, if I search for "bars" it still hits:</p> <pre><code>curl -XGET http://localhost:9200/test/example/_search -d '{ "query": { "text": { "_all": { "query": "bars", "analyzer": "snowball" } } }, "highlight": { "fields": { "text": {} } } }' { "took": 1, "timed_out": false, "_shards": { "total": 5, "successful": 5, "failed": 0 }, "hits": { "total": 1, "max_score": 0.10848885, "hits": [ { "_index": "test", "_type": "example", "_id": "1", "_score": 0.10848885, "_source": { "text": "foo bar organization" }, "highlight": { "text": [ "foo &lt;em&gt;bar&lt;/em&gt; organization" ] } } ] } } </code></pre> <p>I guess the difference between "bar" and "organization" is that "organization" is stemmed to "organ" while "bar" is stemmed to itself. But how do I get the proper behaviour so that 2nd search hits?</p>
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