branch-4.0: [improve](syntax) compatiable with mysql MOD syntax #58432 #59637
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### What problem does this PR solve?
This PR improves compatibility with MySQL arithmetic expression syntax,
allow user use `%` and `MOD` to represent modular semantics.
Note that the `MOD` is a non-reserved keyword, can be used in arithmetic
expressions, MOD function name or to represent aliases in as statements.
before:
```sql
SELECT 10 MOD 3 as mod;
ERROR 1105 (HY000): errCode = 2, detailMessage =
mismatched input '3' expecting {<EOF>, ';'}(line 1, pos 19)
```
after:
```sql
mysql> SELECT 10 MOD 3 as mod;
+------+
| mod |
+------+
| 1 |
+------+
```
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [x] 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:
apache/doris-website#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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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
|
Contributor
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run buildall |
yiguolei
approved these changes
Jan 8, 2026
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
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Cherry-picked from #58432