maropu commented on a change in pull request #28308:
URL: https://github.com/apache/spark/pull/28308#discussion_r413573172
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File path:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/ExpressionInfo.java
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@@ -39,6 +39,9 @@
private String since;
private String deprecated;
+ // The groups below are almost the same with ones defined in
`sql/functions.sql`.
+ // But, `collection_funcs` is split into fine-grained three groups:
`array_funcs`, `map_funcs`,
+ // and `json_funcs`.
Review comment:
This is a minor follow-up for #28224, @HyukjinKwon
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