xuejmnet commented on issue #25414:
URL:
https://github.com/apache/shardingsphere/issues/25414#issuecomment-1534098277
@strongduanmu this is a sample
```java
/**
* before
* @return
*/
public boolean isSameGroupByAndOrderByItems() {
return !groupByContext.getItems().isEmpty() &&
groupByContext.getItems().equals(orderByContext.getItems());
}
/**
* after
* @return
*/
public boolean isGroupByStartsWithOrderByItems() {
if(groupByContext.getItems().isEmpty()){
return false;
}
int min = Math.min(groupByContext.getItems().size(),
orderByContext.getItems().size());
Iterator<OrderByItem> groupIterator =
groupByContext.getItems().iterator();
Iterator<OrderByItem> orderIterator =
orderByContext.getItems().iterator();
for (int i = 0; i < min; i++) {
OrderByItem groupItem = groupIterator.next();
OrderByItem orderItem = orderIterator.next();
if(!Objects.equals(groupItem,orderItem)){
return false;
}
}
return true;
}
```
isGroupByStartsWithOrderByItems better than isSameGroupByAndOrderByItems
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