HappenLee commented on code in PR #23902:
URL: https://github.com/apache/doris/pull/23902#discussion_r1316663394
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be/src/vec/functions/function_date_or_datetime_computation.h:
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@@ -1104,6 +1104,62 @@ struct SecToTimeImpl {
return Status::OK();
}
};
+struct MicroSec {
+ static constexpr auto name = "from_microsecond";
+ static constexpr Int64 ratio = 1000000;
+};
+struct MilliSec {
+ static constexpr auto name = "from_millisecond";
+ static constexpr Int64 ratio = 1000;
+};
+struct Sec {
+ static constexpr auto name = "from_second";
+ static constexpr Int64 ratio = 1;
+};
+template <typename impl>
+struct TimestampToDateTime : IFunction {
+ using ReturnType = DataTypeDateTimeV2;
+ static constexpr auto name = impl::name;
+ static constexpr Int64 ratio_to_micro = (1000 * 1000) / impl::ratio;
+ String get_name() const override { return name; }
+
+ size_t get_number_of_arguments() const override { return 0; }
Review Comment:
0 ? 1?
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