Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/17801#discussion_r115132676
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -2657,22 +2661,27 @@ object functions {
/**
* Converts time string in format yyyy-MM-dd HH:mm:ss to Unix timestamp
(in seconds),
- * using the default timezone and the default locale, return null if
fail.
+ * using the default timezone and the default locale.
+ * Returns `null` if fails.
+ *
* @group datetime_funcs
* @since 1.5.0
*/
def unix_timestamp(s: Column): Column = withExpr {
UnixTimestamp(s.expr, Literal("yyyy-MM-dd HH:mm:ss"))
}
+ // scalastyle:off line.size.limit
/**
- * Convert time string with given pattern
- * (see
[http://docs.oracle.com/javase/tutorial/i18n/format/simpleDateFormat.html])
- * to Unix time stamp (in seconds), return null if fail.
+ * Converts time string with given pattern to Unix timestamp (in
seconds).
+ * Returns `null` if fails.
+ *
+ * @see <a
href="http://docs.oracle.com/javase/tutorial/i18n/format/simpleDateFormat.html";>Customizing
Formats</a>
--- End diff --
that can avoid having scalastyle:off
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