NGram Analyzer in ElasticSearch

elastic_search_ngram_analyzer_for_urls.sh

# ========================================
# Testing n-gram analysis in ElasticSearch
# ========================================

curl -X DELETE localhost:9200/test
curl -X PUT    localhost:9200/test -d '
{
  "settings" : {
    "index" : {
      "analysis" : {
        "analyzer" : {
          "part_number_analyzer" : {
            "type" : "custom",
            "tokenizer" : "keyword",
            "filter"    : ["part_number_edgeNGram", "word_filter", "lowercase"]
          }
        },"filter" : {
          "part_number_edgeNGram" : {
            "type" : "edgeNGram",
            "min_gram" : 4,
            "max_gram" : 30,
            "side" : "front"
          },"lowercase" : {
            "type" : "lowercase"
          },
          "word_filter": {
           "type": "word_delimiter",
           "generate_word_parts" : "false",
           "generate_number_parts" : "false",
           "split_on_numerics" : "false",
           "split_on_case_change" : "false",
           "preserve_original" : "true"
          }
        }
      }
    }
  },

  "mappings": {
    "main": {
      "properties": {
        "part_number": {
          "type": "string",
          "index_analyzer": "part_number_analyzer", 
          "search_analyzer": "keyword",
          "boost": 10
        }
      }
    }
  }
}
'

curl -X POST "http://localhost:9200/test/main" -d '{ "part_number" : "PA2829U" }'
curl -X POST "http://localhost:9200/test/main" -d '{ "part_number" : "5W298" }'
curl -X POST "http://localhost:9200/test/main" -d '{ "part_number" : "12345-78912345" }'
curl -X POST "http://localhost:9200/test/_refresh"

curl "http://localhost:9200/test/_analyze?text=PA2829U&analyzer=part_number_analyzer&pretty=true"

URLS='
http://localhost:9200/test/_search?q=part_number:pa2829
http://localhost:9200/test/_search?q=part_number:PA2829
http://localhost:9200/test/_search?q=part_number:PA111
http://localhost:9200/test/_search?q=part_number:5W29
http://localhost:9200/test/_search?q=part_number:12345-78912345
'

for url in ${URLS}
#for url in "nada"
do
  echo; echo; echo ">>> ${url}"
  if which open &> /dev/null; then
    open "${url}&pretty=true"
  fi
    curl "${url}&pretty=true"
done