mumuhhh commented on code in PR #24600:
URL: https://github.com/apache/flink/pull/24600#discussion_r1600843684
##########
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/utils/DynamicPartitionPruningUtils.java:
##########
@@ -236,6 +238,9 @@ private void setTables(ContextResolvedTable catalogTable) {
tables.add(catalogTable);
} else {
for (ContextResolvedTable thisTable : new ArrayList<>(tables))
{
+ if (tables.contains(catalogTable)) {
Review Comment:
> I think we can use a boolean flag to check here, then we don't need to
call contains method every time, it is O(N) time complexity.
>
> ```
> boolean hasAdded = false;
> for (ContextResolvedTable thisTable : new
ArrayList<>(tables)) {
> if (hasAdded) {
> break;
> }
> if
(!thisTable.getIdentifier().equals(catalogTable.getIdentifier())) {
> tables.add(catalogTable);
> hasAdded = true;
> }
> }
> ```
I think we should modify the traversal logic.
```
boolean hasAdded = false;
for (ContextResolvedTable thisTable : new
ArrayList<>(tables)) {
if
(thisTable.getIdentifier().equals(catalogTable.getIdentifier())) {
hasAdded = true;
break;
}
}
if (!hasAdded) {
tables.add(catalogTable);
}
```
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