WARNING: Version 2.0 of Elasticsearch has passed its EOL date.

This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.

« Delimited Payload Token Filter Keep Types Token Filter »

› › ›

Keep Words Token Filter

edit

Keep Words Token Filter

edit

A token filter of type keep that only keeps tokens with text contained in a predefined set of words. The set of words can be defined in the settings or loaded from a text file containing one word per line.

Options

edit

keep_words	a list of words to keep
keep_words_path	a path to a words file
keep_words_case	a boolean indicating whether to lower case the words (defaults to `false`)

Settings example

edit

{
    "index" : {
        "analysis" : {
            "analyzer" : {
                "my_analyzer" : {
                    "tokenizer" : "standard",
                    "filter" : ["standard", "lowercase", "words_till_three"]
                },
                "my_analyzer1" : {
                    "tokenizer" : "standard",
                    "filter" : ["standard", "lowercase", "words_on_file"]
                }
            },
            "filter" : {
                "words_till_three" : {
                    "type" : "keep",
                    "keep_words" : [ "one", "two", "three"]
                },
                "words_on_file" : {
                    "type" : "keep",
                    "keep_words_path" : "/path/to/word/file"
                }
            }
        }
    }
}

« Delimited Payload Token Filter Keep Types Token Filter »