test documents

これを流しました。

delete test
put test

# text
PUT test/_doc/a
{
  "a": "2022/1/1"
}

# date
PUT test/_doc/b
{
  "b": "2022/12/31"
}

# date
PUT test/_doc/c
{
  "c": "2022-12-31"
}

# text
PUT test/_doc/d
{
  "d": "2022-12-31 12:34:56"
}

# date
PUT test/_doc/e
{
  "e": "2022-12-31T12:34:56"
}

# date
PUT test/_doc/f
{
  "f": "2022-12-31T12:34:56.000"
}

# text
PUT test/_doc/g
{
  "g": "2022-12-31 12:34:56.000"
}

# date
PUT test/_doc/h
{
  "h": "2022-12-31T12:34:56+0900"
}

# text
PUT test/_doc/i
{
  "i": "2022-12-31 12:34:56+0900"
}


# date
PUT test/_doc/j
{
  "j": "2022-04-22T15:23:32.769446"
}


# date
PUT test/_doc/k
{
  "k": "2022-08-19T02:57:23.084Z"
}


# text
PUT test/_doc/l
{
  "l": "Thu Aug 25 2022 00:00:00 GMT+0900 (Japan Standard Time)"
}



get test/_mapping

Result

結果。

{
  "test" : {
    "mappings" : {
      "properties" : {
        "a" : {
          "type" : "text",
          "fields" : {
            "keyword" : {
              "type" : "keyword",
              "ignore_above" : 256
            }
          }
        },
        "b" : {
          "type" : "date",
          "format" : "yyyy/MM/dd HH:mm:ss||yyyy/MM/dd||epoch_millis"
        },
        "c" : {
          "type" : "date"
        },
        "d" : {
          "type" : "text",
          "fields" : {
            "keyword" : {
              "type" : "keyword",
              "ignore_above" : 256
            }
          }
        },
        "e" : {
          "type" : "date"
        },
        "f" : {
          "type" : "date"
        },
        "g" : {
          "type" : "text",
          "fields" : {
            "keyword" : {
              "type" : "keyword",
              "ignore_above" : 256
            }
          }
        },
        "h" : {
          "type" : "date"
        },
        "i" : {
          "type" : "text",
          "fields" : {
            "keyword" : {
              "type" : "keyword",
              "ignore_above" : 256
            }
          }
        },
        "j" : {
          "type" : "date"
        },
        "k" : {
          "type" : "date"
        },
        "l" : {
          "type" : "text",
          "fields" : {
            "keyword" : {
              "type" : "keyword",
              "ignore_above" : 256
            }
          }
        }
      }
    }
  }
}

inputから来る形式を、それぞれいい感じに変換してあげればよさそうです。

Pythonの場合は `datetime.now().isoformat()` でok

from datetime import datetime
datetime.now().isoformat()       # '2022-04-22T15:23:32.769446'