wayneguow commented on code in PR #49564:
URL: https://github.com/apache/spark/pull/49564#discussion_r1929757671
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCOptions.scala:
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@@ -249,6 +249,15 @@ class JDBCOptions(
.map(_.toBoolean)
.getOrElse(SQLConf.get.timestampType == TimestampNTZType)
+ val hint = {
+ parameters.get(JDBC_HINT_STRING).map(value => {
+ require(value.matches("(?s)^/\\*\\+ .* \\*/$"),
+ s"Invalid value `$value` for option `$JDBC_HINT_STRING`." +
+ s" It should start with `/*+ ` and end with ` */`.")
+ s"$value "
Review Comment:
Let me revise it.
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