Created
June 22, 2016 02:59
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Elasticsearch edgengram fields in _all issue
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| # elasticsearch: Version: 2.3.3, Build: 218bdf1/2016-05-17T15:40:04Z, JVM: 1.8.0_92 | |
| # Arch Linux | |
| # Kernel version 4.4.3-1-custom | |
| # Setup a basic index using an edgengram filter | |
| curl -XPUT "http://localhost:9200/test_index?pretty=true" -d' | |
| { | |
| "settings": { | |
| "analysis": { | |
| "filter": { | |
| "edge_ngram_filter": { | |
| "type": "edge_ngram", | |
| "min_gram": 2, | |
| "max_gram": 20 | |
| } | |
| }, | |
| "analyzer": { | |
| "edge_ngram_analyzer": { | |
| "type": "custom", | |
| "tokenizer": "standard", | |
| "filter": [ | |
| "lowercase", | |
| "edge_ngram_filter" | |
| ] | |
| } | |
| } | |
| } | |
| }, | |
| "mappings": { | |
| "doc": { | |
| "properties": { | |
| "text_field": { | |
| "type": "string", | |
| "analyzer": "edge_ngram_analyzer", | |
| "search_analyzer": "standard" | |
| } | |
| } | |
| } | |
| } | |
| }' | |
| # Example document | |
| curl -XPUT "http://localhost:9200/test_index/doc/1?pretty=true" -d' | |
| { | |
| "text_field": "Hello, World!" | |
| }' | |
| # _all ngram search doesn't work. It retuns an empty result. | |
| curl -XPOST "http://localhost:9200/test_index/_search?pretty=true" -d' | |
| { | |
| "query": { | |
| "match": { | |
| "_all": "hell" | |
| } | |
| } | |
| }' | |
| # _all whole word search works though | |
| curl -XPOST "http://localhost:9200/test_index/_search?pretty=true" -d' | |
| { | |
| "query": { | |
| "match": { | |
| "_all": "hello" | |
| } | |
| } | |
| }' | |
| # And an ngram search on the specific field works | |
| curl -XPOST "http://localhost:9200/test_index/_search?pretty=true" -d' | |
| { | |
| "query": { | |
| "match": { | |
| "text_field": "hell" | |
| } | |
| } | |
| }' | |
| # The term vector looks fine too | |
| curl -XGET "http://localhost:9200/test_index/doc/1/_termvector?fields=text_field&pretty=true" |
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