zy-kkk opened a new pull request, #39082:
URL: https://github.com/apache/doris/pull/39082
pick #39064
#### Problem Description
The previous implementation of the `toSqlImpl` and `conjunctExprToString`
methods added unnecessary parentheses around all subexpressions, which could
lead to overly complex and redundant SQL expressions.
#### Solution
Modified the logic to add parentheses only around subexpressions that are
`CompoundPredicate` instances, ensuring correct operator precedence without
adding redundant parentheses.
1. **toSqlImpl Method**
- Add parentheses only around `CompoundPredicate` subexpressions.
- Simplified logic to ensure correct operator precedence while avoiding
redundant parentheses.
2. **conjunctExprToString Method**
- Add parentheses only around `CompoundPredicate` child expressions.
- Simplified logic to ensure correct operator precedence while avoiding
redundant parentheses.
#### Detailed Changes
- Updated the `toSqlImpl` method to add parentheses only around
`CompoundPredicate` subexpressions.
- Modified the `conjunctExprToString` method to add parentheses only around
`CompoundPredicate` child expressions.
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