не String?
SELECT toUInt64(64)
FORMAT JSON
Query id: 1350d4c0-f6e5-4b6b-9eb1-3b3afe3d69c8
{
"meta":
[
{
"name": "toUInt64(64)",
"type": "UInt64"
}
],
"data":
[
{
"toUInt64(64)": "64" -- <<< String
}
],
"rows": 1,
"statistics":
{
"elapsed": 0.000546811,
"rows_read": 1,
"bytes_read": 1
}
}
--output_format_json_quote_64bit_integers arg Controls quoting of 64-bit integers in JSON output format.
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