-
Notifications
You must be signed in to change notification settings - Fork 778
feat(query): enhance datetime functions #18027
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Merged
Merged
Conversation
This file contains hidden or 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
TCeason
commented
May 28, 2025
1ea44e9
to
0aad80b
Compare
sundy-li
reviewed
May 29, 2025
sundy-li
reviewed
May 29, 2025
0f3d331
to
b2d63cb
Compare
2. delete TZM
#v1.2.743-nightly-70290f1a01
LGTM |
sundy-li
approved these changes
May 29, 2025
Docker Image for PR
|
forsaken628
approved these changes
May 29, 2025
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Labels
ci-cloud
Build docker image for cloud test
pr-feature
this PR introduces a new feature to the codebase
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Outdated suggestions cannot be applied.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.
I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/
Summary
PR Summary: Enhancing Date and Time Functionality and Formatting Capabilities
This PR introduces several enhancements to improve the system's flexibility and compatibility in date and time processing and formatting:
date_format_style
: Allows users to select the date format style, with available values "MySQL" or "Oracle". The default is "MySQL".week_start
: Specifies the first day of the week, accepting values 0 or 1. The default is 0.trunc
Function Support: Thetrunc(expr, datetime_interval_type)
function has been added, allowing truncation of date or time expressions to a specified interval type.date_trunc
Function: Thedate_trunc
function now supportsWEEK
as a datetime interval type, enabling truncation of dates by week.date_format_style
is set to "Oracle", the system now supports and correctly parses Oracle-style date format expressions, mapping them to corresponding internal formatting symbols.Detailed Information:
1. New Settings (with their definitions):
4. Oracle Date Format Mappings (when
date_format_style
is Oracle):Tests
Type of change
This change is