pitrou commented on code in PR #45562:
URL: https://github.com/apache/arrow/pull/45562#discussion_r1975121356
##########
cpp/src/arrow/compute/api_aggregate.h:
##########
@@ -175,6 +175,88 @@ class ARROW_EXPORT TDigestOptions : public FunctionOptions
{
uint32_t min_count;
};
+/// \brief Control Pivot kernel behavior
+///
+/// These options apply to the "pivot_wider" and "hash_pivot_wider" functions.
+///
+/// Constraints:
+/// - The corresponding `Aggregate::target` must have two FieldRef elements;
Review Comment:
But, of course, you can pass several aggregates to a group_by, so you can
have several hash_pivot's at once if you want.
##########
cpp/src/arrow/compute/api_aggregate.h:
##########
@@ -175,6 +175,88 @@ class ARROW_EXPORT TDigestOptions : public FunctionOptions
{
uint32_t min_count;
};
+/// \brief Control Pivot kernel behavior
+///
+/// These options apply to the "pivot_wider" and "hash_pivot_wider" functions.
+///
+/// Constraints:
+/// - The corresponding `Aggregate::target` must have two FieldRef elements;
Review Comment:
But, of course, you can pass several aggregates to a group_by, so you can
have several hash_pivot_wider aggregates at once if you want.
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