On Tuesday, October 14, 2014 5:46:10 PM UTC-7, Joshua Holbrook wrote:
>
> Hello,
>
> I'm working on an irc bot that indexes in-channel image links, and so far
> so good---except I can't seem to get automatic timestamps working! I did my
> best to follow the docs at
> http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/mapping-timestamp-field.html
>
> but I don't see any change in what my search docs look like, even after
> deleting the entire index and reconfiguring first.
>
> Right now my mapping looks like this:
>
> $ curl http://localhost:9200/archivist/_mapping?pretty
> {
> "archivist" : {
> "mappings" : {
> "image" : {
> "_timestamp" : {
> "enabled" : true,
> "store" : true
> },
> "properties" : {
> "channel" : {
> "type" : "string"
> },
> "image" : {
> "type" : "string"
> },
> "message" : {
> "type" : "string"
> },
> "user" : {
> "type" : "string"
> }
> }
> }
> }
> }
> }
>
> and after indexing something (code doing this at
> https://github.com/jesusabdullah/archivist/blob/master/src/main/java/com/jesusabdullah/archivist/Indexer.java#L71-L82
>
> first java project ever) my search results look like:
>
> $ curl http://localhost:9200/archivist/image/_search?pretty
> {
> "took" : 0,
> "timed_out" : false,
> "_shards" : {
> "total" : 5,
> "successful" : 5,
> "failed" : 0
> },
> "hits" : {
> "total" : 1,
> "max_score" : 1.0,
> "hits" : [ {
> "_index" : "archivist",
> "_type" : "image",
> "_id" : "jK8dY6oKTRifbUU4o406pw",
> "_score" : 1.0,
>
> "_source":{"channel":"#nodebombrange","user":"jesusabdullah","message":"snoop!
>
> http://i.imgur.com/iktO9TK.gif","image":"http://i.imgur.com/iktO9TK.gif"}
> } ]
> }
> }
>
> Am I doing something wrong?
>
This was also confusing to me at first. I asked my coworkers who gave me a
good answer and also was pointed at a useful answer on the mailing list -
so between you and me and some other folks asking questions, you aren't
alone in your confusion! :)
The short answer is that you must request _timestamp being returned to you:
# Here, I ask for _source and _timestamp to be shown to me:
% curl 'localhost:9200/archivist/_search?pretty&fields=_timestamp,_source'
{
"took" : 1,
"timed_out" : false,
"_shards" : {
"total" : 5,
"successful" : 5,
"failed" : 0
},
"hits" : {
"total" : 1,
"max_score" : 1.0,
"hits" : [ {
"_index" : "archivist",
"_type" : "image",
"_id" : "jUWknMq1RmusrlU6hP2BGw",
"_score" : 1.0,
"_source": { "fancy": "pants whoa"},
"fields" : {
"_timestamp" : 1413417808235
}
} ]
}
}
This post has the more detailed answer:
https://groups.google.com/forum/#!msg/elasticsearch/pebxC9ezowg/XCXH-POYvuQJ
-Jordan
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