Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17801#discussion_r115128695
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -2647,7 +2647,11 @@ object functions {
}
/**
- * Gets current Unix timestamp in seconds.
+ * Returns the current Unix timestamp (in seconds).
+ *
+ * NOTE: All calls of `unix_timestamp` within the same query return the
same value
--- End diff --
Should we use `@note` and fix the corresponding contents in Python and R if
applicable?
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