twalthr commented on a change in pull request #17439:
URL: https://github.com/apache/flink/pull/17439#discussion_r726903584
##########
File path:
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/functions/BuiltInFunctionTestBase.java
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@@ -411,7 +411,7 @@ public String toString() {
return "[API] "
+ expression.stream()
.map(Expression::asSummaryString)
- .collect(Collectors.joining());
+ .collect(Collectors.joining(", "));
Review comment:
changes in test bases that are unrelated to the PR, should be moved in a
hotfix commit. this way a committer can still merge this, even if we discard
the main commit.
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