alamb commented on code in PR #20958:
URL: https://github.com/apache/datafusion/pull/20958#discussion_r2942958440


##########
datafusion/sqllogictest/test_files/aggregate.slt:
##########
@@ -1776,7 +1776,7 @@ SELECT approx_distinct(null)
 query II
 SELECT approx_distinct(c9) AS a, approx_distinct(c9) AS b FROM 
aggregate_test_100
 ----
-100 100
+99 99

Review Comment:
   it is also consistent with the results from the query above which shows a 
slight difference 
   
   It is weird that approx_distinct in this query is 99 but it is 100 in the 
query right above it 🤔 



##########
datafusion/proto/proto/datafusion.proto:
##########
@@ -1041,9 +1041,9 @@ message PhysicalExtensionExprNode {
 message PhysicalHashExprNode {
   repeated PhysicalExprNode on_columns = 1;
   uint64 seed0 = 2;
-  uint64 seed1 = 3;
-  uint64 seed2 = 4;
-  uint64 seed3 = 5;
+  // uint64 seed1 = 3;

Review Comment:
   do we need this still? Shall we just remove them?



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