You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@doris.apache.org by li...@apache.org on 2022/09/25 10:43:38 UTC
[doris] branch master updated: [Refactor](datev2) Update comments for datev2/datetimev2 (#12823)
This is an automated email from the ASF dual-hosted git repository.
lihaopeng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git
The following commit(s) were added to refs/heads/master by this push:
new 380c3f42ab [Refactor](datev2) Update comments for datev2/datetimev2 (#12823)
380c3f42ab is described below
commit 380c3f42abe67c5d63b1bf12f3e816971bf10294
Author: Gabriel <ga...@gmail.com>
AuthorDate: Sun Sep 25 18:43:32 2022 +0800
[Refactor](datev2) Update comments for datev2/datetimev2 (#12823)
---
be/src/vec/data_types/data_type_time_v2.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/be/src/vec/data_types/data_type_time_v2.h b/be/src/vec/data_types/data_type_time_v2.h
index d2a6cefae6..f65768a45c 100644
--- a/be/src/vec/data_types/data_type_time_v2.h
+++ b/be/src/vec/data_types/data_type_time_v2.h
@@ -23,7 +23,7 @@ namespace doris::vectorized {
/**
* Use UInt32 as underlying type to represent DateV2 type.
- * Specifically, a dateV2 type is represented as (YYYY (16 bits), MM (8 bits), DD (8 bits)).
+ * Specifically, a dateV2 type is represented as (YYYY (23 bits), MM (4 bits), dd (5 bits)).
*/
class DataTypeDateV2 final : public DataTypeNumberBase<UInt32> {
public:
@@ -47,6 +47,12 @@ public:
static void cast_from_date_time(const Int64 from, UInt32& to);
};
+/**
+ * Use UInt64 as underlying type to represent DateTimeV2 type.
+ * +---------------date part---------------+-----------------------time part------------------------+
+ * | 27 bits | 37 bits |
+ * Specifically, a dateTimeV2 type is represented as (YYYY (18 bits), MM (4 bits), dd (5 bits), HH (5 bits), mm (6 bits), SS (6 bits), ssssss (20 bits)).
+ */
class DataTypeDateTimeV2 final : public DataTypeNumberBase<UInt64> {
public:
static constexpr bool is_parametric = true;
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org