test-es.sh

curl -X PUT "localhost:9200/datenano?pretty" -H 'Content-Type: application/json' -d'
{
  "mappings": {
    "dynamic" : "strict",
    "properties" : {
      "datefield" : {
        "type": "date_nanos",
        "format": "strict_date_hour_minute_second_millis"
      }
    }
  }
}'

curl -X PUT "localhost:9200/datenano/_doc/1?pretty" -H 'Content-Type: application/json' -d'
{
  "datefield": "2022-11-08T11:39:13.12345011"
}'

curl -X GET "localhost:9200/datenano/_doc/1?pretty"

curl -X POST "localhost:9200/datenano/_search?pretty" -H 'Content-Type: application/json' -d'
{
  "size":0,
  "aggregations": {
    "mindate": {
      "min":{
        "field":"datefield"
      }
    }
  }
}'

# created issue https://github.com/elastic/elasticsearch/issues/52568