itholic commented on code in PR #38769:
URL: https://github.com/apache/spark/pull/38769#discussion_r1030326286
##########
core/src/main/resources/error/error-classes.json:
##########
@@ -785,6 +779,13 @@
"Malformed Protobuf messages are detected in message deserialization.
Parse Mode: <failFastMode>. To process malformed protobuf message as null
result, try setting the option 'mode' as 'PERMISSIVE'."
]
},
+ "MISSING_AGGREGATION" : {
+ "message" : [
+ "The non-aggregating expression <expression> is based on columns which
are not participating in the GROUP BY clause.",
+ "Add the columns or the expression to the GROUP BY, aggregate the
expression, or use \"any_value(<expression>)\" if you do not care which of the
values within a group is returned."
Review Comment:
Yeah, it looks like the example below:
```
[MISSING_AGGREGATION] The non-aggregating expression "c2" is based on
columns which are not participating in the GROUP BY clause.
Add the columns or the expression to the GROUP BY, aggregate the expression,
or use "any_value("c2")" if you do not care which of the values within a group
is returned.;
```
Do we want to fix it to ``` `any_value("...")` ``` or something ?
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