Here's my finding on the _timestamp field.
curl -XPOST 'localhost:9200/bam' -d '{
"mappings" : {
"default" : {
"_timestamp": { "enabled" : true }
}
}
}
}'
curl -XPOST 'localhost:9200/bam/bam/' -d '{
"bam" : "bam"
}'
curl 'localhost:9200/bam/_search?fields=_source,_timestamp&pretty'
{
"took" : 1,
"timed_out" : false,
"_shards" : {
"total" : 5,
"successful" : 5,
"failed" : 0
},
"hits" : {
"total" : 1,
"max_score" : 1.0,
"hits" : [ {
"_index" : "bam",
"_type" : "bam",
"_id" : "DREzT5VFTe2aJQC5ZRQb2g",
"_score" : 1.0, "_source" : {
"bam" : "bam"
}
} ]
}
}
curl -XPOST 'localhost:9200/bambam' -d '{
"mappings" : {
"default" : {
"_timestamp": { "enabled" : true, "store" : true }
}
}
}
}'
curl -XPOST 'localhost:9200/bambam/bambam/' -d '{
"bambam" : "bambam"
}'
curl 'localhost:9200/bambam/_search?fields=_source,_timestamp&pretty'
{
"took" : 1,
"timed_out" : false,
"_shards" : {
"total" : 5,
"successful" : 5,
"failed" : 0
},
"hits" : {
"total" : 1,
"max_score" : 1.0,
"hits" : [ {
"_index" : "bambam",
"_type" : "bambam",
"_id" : "bDa7LxPBRQaPnoxj6R96dw",
"_score" : 1.0, "_source" : {
"bambam" : "bambam"
},
"fields" : {
"_timestamp" : 1392089217844
}
} ]
}
}
Is this what you're seeing?
I guess timestamp is being "stored" somewhere in order for facet and query
to work. But it is unexpected that without store: true, that no timestamps
are returned in result.
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