DESCRIPTION >
    Inspired by DUB implementation

NODE dayIntervals
SQL >
    %
    WITH
        toStartOfDay(
            toDateTime64({{ DateTime64(start, '2024-10-16 00:00:00.000') }}, 3),
            {{ String(timezone, 'UTC') }}
        ) AS start,
        toStartOfDay(
            toDateTime64({{ DateTime64(end, '2024-10-23 00:00:00.000') }}, 3),
            {{ String(timezone, 'UTC') }}
        ) AS
    end
    SELECT
        arrayJoin(
            arrayMap(
                x -> toDateTime64(toStartOfDay(toDateTime64(x, 3), {{ String(timezone, 'UTC') }}), 3),
                range(toUInt32(start + 86400), toUInt32(end + 86400),
                86400
            )
        )
    ) as interval

NODE hourIntervals
SQL >
    %
    WITH
        toStartOfHour(
            toDateTime64({{ DateTime64(start, '2024-10-22 00:00:00.000') }}, 3),
            {{ String(timezone, 'UTC') }}
        ) AS start,
        toStartOfHour(
            toDateTime64({{ DateTime64(end, '2024-10-23 00:00:00.000') }}, 3),
            {{ String(timezone, 'UTC') }}
        ) AS
    end
    SELECT
        arrayJoin(
            arrayMap(x -> toDateTime64(x, 3), range(toUInt32(start + 3600), toUInt32(end + 3600), 3600)
        )
    ) as interval

NODE customIntervals
SQL >
    %
    WITH
        time_series AS (
            SELECT
                toDateTime64(
                    toDateTime(
                        toStartOfInterval(
                            toDateTime64({{ DateTime64(start, '2024-10-22 00:00:00.000') }}, 3),
                            INTERVAL {{ Int32(tickIntervalInMinutes, 420) }} MINUTE
                        )
                    )
                    + INTERVAL number * {{ Int32(tickIntervalInMinutes, 420) }} MINUTE,
                    3
                ) AS interval
            FROM
                numbers(
                    0,
                    1 + intDiv(
                        dateDiff(
                            'minute',
                            toDateTime64({{ DateTime64(start, '2024-10-22 00:00:00.000') }}, 3),
                            toDateTime64({{ DateTime64(end, '2024-10-23 00:00:00.000') }}, 3)
                        ),
                        {{ Int32(tickIntervalInMinutes, 420) }}
                    )
                )
            WHERE interval <= toDateTime64({{ DateTime64(end, '2024-10-23 00:00:00.000') }}, 3)
        )
    SELECT interval
    FROM time_series

NODE selectIntervalByGranularity
SQL >
    %
    SELECT *
    FROM
        {% if granularity == "custom" %} customIntervals
        {% elif granularity == "hour" %} hourIntervals
        {% else %} dayIntervals
        {% end %}