Char filter demo

char-filter.sh

curl -XDELETE 'localhost:9200/test'

curl -XPUT 'localhost:9200/test' -d '
{
    "settings" : {
        "analysis": {
            "char_filter" : {
                "full_text_mapping" : {
                    "type": "mapping",
                    "mappings" : [ ". => \\u0020" ]
                }
            },
            "analyzer" : {
                "full_text_analyzer" : {
                    "type" : "custom",
                    "char_filter" : "full_text_mapping",
                    "tokenizer" : "whitespace",
                    "filter" : ["lowercase"]
                }
            }
        }
    },
    "mappings" : {
        "bear" : {
            "properties" : {
                "full_text" : {
                    "type" : "string",
                    "analyzer" : "full_text_analyzer"
                },
                "name" : {
                    "type" : "string",
                    "index" : "not_analyzed",
                    "copy_to" : "full_text"
                }
            }
        }
    }
}
'


curl -XPUT 'localhost:9200/test/bear/1' -d '
{
    "name": "GRIZZLY.BEAR"
}
'

curl -XGET 'localhost:9200/test/_refresh'

curl -XGET 'localhost:9200/test/_search?pretty' -d '
{
    "query" : {
        "match" : {
            "name" : "GRIZZLY.BEAR"
        }
    }
}
'

curl -XGET 'localhost:9200/test/_search?pretty' -d '
{
    "query" : {
        "match" : {
            "full_text" : "grizzly"
        }
    }
}
'

curl -XGET 'localhost:9200/test/_search?pretty' -d '
{
    "query" : {
        "match" : {
            "full_text" : "bear"
        }
    }
}
'