Function duckdb_get_timestamp_ns

pub unsafe extern "C" fn duckdb_get_timestamp_ns(
    val: duckdb_value,
) -> duckdb_timestamp_ns

Returns the duckdb_timestamp_ns value of the given value.

@param val A duckdb_value containing a TIMESTAMP_NS @return A duckdb_timestamp_ns, or MinValue<timestamp_ns> if the value cannot be converted