[GitHub] [spark] gengliangwang commented on a change in pull request #32019: [SPARK-34881][SQL][FOLLOW-UP] Use multiline string for TryCast' expression description

[GitBox <gi...@apache.org>]

gengliangwang commented on a change in pull request #32019:
URL: https://github.com/apache/spark/pull/32019#discussion_r605391951



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/TryCast.scala
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@@ -30,10 +30,12 @@ import org.apache.spark.sql.types.DataType
  * session local timezone by an analyzer [[ResolveTimeZone]].
  */
 @ExpressionDescription(
-  usage = "_FUNC_(expr AS type) - Casts the value `expr` to the target data type `type`. " +
-    "This expression is identical to CAST with configuration `spark.sql.ansi.enabled` as " +
-    "true, except it returns NULL instead of raising an error. Note that the behavior of this " +
-    "expression doesn't depend on configuration `spark.sql.ansi.enabled`.",
+  usage = """
+    _FUNC_(expr AS type) - Casts the value `expr` to the target data type `type`.
+      "This expression is identical to CAST with configuration `spark.sql.ansi.enabled` as

Review comment:
       shall we remove the leading `"` in these 3 lines?




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