IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Explain Analyze
edit
IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.
Explain Analyze
editIf you want to get more advanced details, set explain to true (defaults to false). It will output all token attributes for each token.
You can filter token attributes you want to output by setting attributes option.
The format of the additional detail information is labelled as experimental in Lucene and it may change in the future.
GET _analyze
{
"tokenizer" : "standard",
"filter" : ["snowball"],
"text" : "detailed output",
"explain" : true,
"attributes" : ["keyword"]
}
The request returns the following result:
{
"detail" : {
"custom_analyzer" : true,
"charfilters" : [ ],
"tokenizer" : {
"name" : "standard",
"tokens" : [ {
"token" : "detailed",
"start_offset" : 0,
"end_offset" : 8,
"type" : "<ALPHANUM>",
"position" : 0
}, {
"token" : "output",
"start_offset" : 9,
"end_offset" : 15,
"type" : "<ALPHANUM>",
"position" : 1
} ]
},
"tokenfilters" : [ {
"name" : "snowball",
"tokens" : [ {
"token" : "detail",
"start_offset" : 0,
"end_offset" : 8,
"type" : "<ALPHANUM>",
"position" : 0,
"keyword" : false
}, {
"token" : "output",
"start_offset" : 9,
"end_offset" : 15,
"type" : "<ALPHANUM>",
"position" : 1,
"keyword" : false
} ]
} ]
}
}