IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Querying or accessing metadata
edit
IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.
Querying or accessing metadata
editIf you need to query on metadata fields, use the attachment field name dot the metadata field. For example:
DELETE /test
PUT /test
PUT /test/person/_mapping
{
"person": {
"properties": {
"file": {
"type": "attachment",
"fields": {
"content_type": {
"type": "string",
"store": true
}
}
}
}
}
}
PUT /test/person/1?refresh=true
{
"file": "IkdvZCBTYXZlIHRoZSBRdWVlbiIgKGFsdGVybmF0aXZlbHkgIkdvZCBTYXZlIHRoZSBLaW5nIg=="
}
GET /test/person/_search
{
"fields": [ "file.content_type" ],
"query": {
"match": {
"file.content_type": "text plain"
}
}
}
Will give you:
{
"took": 2,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 0.16273327,
"hits": [
{
"_index": "test",
"_type": "person",
"_id": "1",
"_score": 0.16273327,
"fields": {
"file.content_type": [
"text/plain; charset=ISO-8859-1"
]
}
}
]
}
}