Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/19985#discussion_r157624496
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -1035,6 +1036,14 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val SQL_STRING_REDACTION_PATTERN =
+ ConfigBuilder("spark.sql.redaction.string.regex")
+ .doc("Regex to decide which parts of strings produced by Spark
contain sensitive " +
+ "information. When this regex matches a string part, that string
part is replaced by a " +
+ "dummy value. This is currently used to redact the output of SQL
explain commands. " +
+ "When this conf is not set, the value from
`spark.sql.redaction.string.regex` is used.")
--- End diff --
nit: `spark.sql.redaction.string.regex` -> `spark.redaction.string.regex`
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