coderfender commented on code in PR #1916:
URL:
https://github.com/apache/datafusion-ballista/pull/1916#discussion_r4099531254
##########
ballista/core/proto/ballista.proto:
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@@ -829,6 +829,12 @@ message FailedTask {
}
}
+message TaskColumnStats {
+ uint32 column = 1;
+ uint64 null_count = 2;
+ bytes hll_sketch = 3;
Review Comment:
Thank you for the review. Totally agree that we could enhance this but this
PR was more of the wiring and plan to follow up with further sketch types in
follow up PRs
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