codetyri0n opened a new pull request, #51814:
URL: https://github.com/apache/doris/pull/51814
### What problem does this PR solve?
This PR brings in the implementation of the previous_day SQL function for
Apache Doris.
Issue Number: close #44932
Related PR: #xxx
Problem Summary:
### Release note
# Syntax
previous_day(expr, dayOfWeek)
# Arguments
expr: A DATE expression.
dayOfWeek: A STRING expression identifying a day of the week.
# Returns
A DATE.
dayOfWeek must be one of the following (case insensitive):
'SU', 'SUN', 'SUNDAY'
'MO', 'MON', 'MONDAY'
'TU', 'TUE', 'TUESDAY'
'WE', 'WED', 'WEDNESDAY'
'TH', 'THU', 'THURSDAY'
'FR', 'FRI', 'FRIDAY'
'SA', 'SAT', 'SATURDAY'
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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