I've got the issue and solution. In above mapping specified, _all > enabled
should be True in order to enable _timestamp and store it.
Hence, closing the post.
On Wednesday, 19 March 2014 19:31:35 UTC+5:30, nishidha randad wrote:
> Hi,
>
> I've been facing an issue retrieving _timestamp for one of my indices.
> Below is the mapping of my index -
>
> "my_index_1": {
> "settings": {
> "index": {
> "number_of_shards": 4,
> "number_of_replicas": 1
> },
> "aliases": [
> "my_index"
> ]
> },
> "mappings": {
> "my_index_type": {
> "_all": {
> "enabled": False
> },
> "_timestamp": {
> "enabled": True,
> "store": True
> },
> "properties": {
> ...
> }
> }
> }
> }
>
> I'm using below query to get all documents updated after certain timestamp
> (xyz in miliseconds) -
> {
> "fields": [
> "_timestamp",
> "_source"
> ],
> "query": {
> "filtered": {
> "query": {
> "match_all": {}
> },
> "filter": {
> "range": {
> "_timestamp": {
> "gte": xyz
> }
> }
> }
> }
> }
> }
>
> But this is returning me all the documents in my index including the ones
> that are not updated after xyz time and moreover, in the output, I don't
> see _timestamp field. Kindly help me with this issue. Also, note that I
> cannot change the mapping of my index.
>
> Thanks in advance,
> Nishidha
>
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