Gabriel39 opened a new pull request, #63972:
URL: https://github.com/apache/doris/pull/63972
### What problem does this PR solve?
Issue Number: close #26112
Related PR: None
Problem Summary: Querying information_schema.columns with an external system
table name such as table can call FrontendServiceImpl.getTableNames with the
table name as a pattern. The MySQL pattern converter rejected '$' as a
forbidden regex character, so the FE thrift service threw an internal
getTableNames error before metadata resolution. This change treats '$' as a
literal character in MySQL patterns by escaping it for the generated Java
regex, allowing system table names to be matched safely.
### Release note
Fixes metadata lookup for table names containing '$', including external
system tables such as table.
### Check List (For Author)
- Test: Manual test
- Ran git diff --check and git diff --cached --check.
- Tried ./run-fe-ut.sh --run org.apache.doris.common.PatternMatcherTest,
but the local environment only has JDK 11 and the script requires JDK 17.
- Behavior changed: Yes. MySQL pattern matching now allows '$' as a literal
table-name character.
- Does this need documentation: No
### What problem does this PR solve?
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. -->
- [ ] 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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