composite date bytes #20823
Merged
composite date bytes #20823
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
XuPeng-SH
approved these changes
Dec 19, 2024
|
@mergify refresh |
✅ Pull request refreshed |
sukki37
approved these changes
Dec 19, 2024
daviszhen
added a commit
to daviszhen/matrixone
that referenced
this pull request
Dec 24, 2024
原因：从profile上分析看，Date转字符串，Appendf耗时较多。  修改: Date的格式固定。手工拼接字符串。 year：1～9999。 先对100求商和余数。1～99 查表转字符串。 month: 1～12。查表转字符串。 day：1～31。查表转字符串。 Approved by: @XuPeng-SH, @sukki37
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
What type of PR is this?
Which issue(s) this PR fixes:
issue #https://github.com/matrixorigin/MO-Cloud/issues/4648
What this PR does / why we need it:
原因：从profile上分析看，Date转字符串，Appendf耗时较多。
修改: Date的格式固定。手工拼接字符串。
year：1～9999。 先对100求商和余数。1～99 查表转字符串。
month: 1～12。查表转字符串。
day：1～31。查表转字符串。