./gradlew :x-pack:plugin:esql:qa:testFixtures:loadCsvSpecData --args="http://elastic-admin:elastic-password@localhost:9200"

from sample_data_ts_long | drop @timestamp, event_duration, `client_ip` | eval  `message` = null, nfNKxcviORhd = 1092058584, `message` = 4699359018278613100, `message` = "oNAk" | stats  message = max(nfNKxcviORhd), sDIqqrqLm = avg(nfNKxcviORhd) + median(nfNKxcviORhd) + count(nfNKxcviORhd), slFTOgbSxL = median(nfNKxcviORhd), pcEFoRMNvm = count_distinct(nfNKxcviORhd + nfNKxcviORhd) by nfNKxcviORhd

{
    "error": {
        "root_cause": [
            {
                "type": "illegal_state_exception",
                "reason": "unexpected byte [0x8f]"
            }
        ],
        "type": "illegal_state_exception",
        "reason": "unexpected byte [0x8f]"
    },
    "status": 500
}