索引中有两个字段 @timestamp 和 message_date, 希望 @timestamp 显示的时间格式为:YYYY-MM-DDTHH:mm:ss.SSSZ, message_date 显示的格式为YYYY-MM-DD
mapping 中定义 format 为 date_optional_time
PUT _template/test { "index_patterns" : ["test-*"], "order": 9, "settings" : { "number_of_shards" : 1, "number_of_replicas" : 1, "index.refresh_interval" : "30s", "index.max_result_window" : "10000" }, "mappings" : { "doc" : { "properties": { "@timestamp": { "type": "date", "format": "date_optional_time||epoch_millis"}, "message_date": { "type": "date", "format": "date_optional_time||epoch_millis"} } } } }Discover 显示的message_date 是 2020-11-04 00:00:00.000, 不符合要求