Date Formatting Issue + Sorting by Float

Elastic Stack Elasticsearch
1

Hi,

I have a date and a unix timestamp field in my mapping. Experiencing
several issues..

  1. I cannot get Elasticsearch to accept any kind of date format I have
    tried for the date field
  2. Sorting on the unix timestamp field is not working (which is type
    float)
  3. Unable to filter on the unix timestamp field ("No filtered registered
    for [tstamp_unix]

Example of the data going in (note the fractions of a second):

{
"tstamp" : "2014-07-09 08:33:04.178900",
"tstamp_unix" : 1404894784.178900
}

I'm aware I don't need the unix value however as the mapping just wasn't
working and date is now set to type string. In terms of mapping I have
tried:

{
"type1": {
"tstamp": {
"type" : "date",
"format" : "yyyy-MM-dd HH:mm:ss.S" // also yyyy-MM-dd
HH:mm:ss.SSS, y-M-d H:m:s.S etc etc
}
}
}

Then with the sorting - tstamp_unix is mapped as type float. When
performing a sort against this field, it does something very weird.. one
example, see the resulted sort value..:

// Query - all records newer than 5 minutes ago
{
"size" : 1000,
"fields" : [ "tstamp_unix", "tstamp" ],
"sort": [
{ "tstamp_unix" : {"order" : "desc"} }
],
"query" : {
"filtered": {
"query": {
"range": {
"tstamp_unix":{
"gt": 1404895819
}
}
},
"filter": {
"term": { "grouped_identifier": "some_value" }
}
}
}
}

// Result
{
"_index" : "index",
"_type" : "type",
"_id" : "XYqXjRHPR4m8ndYKyp5-8Q",
"_score" : null,
"fields" : {
"tstamp_unix" : [ "1404896082.123818" ],
"tstamp" : [ "2014-07-09 08:54:42.123818" ]
},
"sort" : [ 1.40489613E9 ]
}

Can't find any other resources on this.. any ideas??

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