AshinGau opened a new pull request, #10213:
URL: https://github.com/apache/incubator-doris/pull/10213
# Proposed changes
Issue Number: close #xxx
## Problem Summary:
Doris uses regular matching strings. If the name contains underscores, it
will be converted to '.' wildcard.
```
// org.apache.doris.common.PatternMatcher#convertMysqlPattern
switch (ch) {
case '%':
sb.append(".*");
break;
case '.':
sb.append("\\.");
break;
case '_':
sb.append(".");
break;
```
In grant statement, database and table support matching a single '*'
wildcard, the other cases are string case-sensitive equivalent matching.
## Checklist(Required)
1. Does it affect the original behavior: (No)
2. Has unit tests been added: (Yes)
3. Has document been added or modified: (No)
4. Does it need to update dependencies: (No)
5. Are there any changes that cannot be rolled back: (No)
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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