Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/17070#discussion_r103098816
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/HDFSMetadataLog.scala
---
@@ -268,6 +274,37 @@ class HDFSMetadataLog[T <: AnyRef :
ClassTag](sparkSession: SparkSession, path:
new FileSystemManager(metadataPath, hadoopConf)
}
}
+
+ /**
+ * Parse the log version from the given `text` -- will throw exception
when the parsed version
+ * exceeds `maxSupportedVersion`, or when `text` is malformed (such as
"xyz", "v", "v-1",
+ * "v123xyz" etc.)
+ */
+ private[sql] def parseVersion(text: String, maxSupportedVersion: Int):
Int = {
+ if (text.length > 0 && text(0) == 'v') {
+ val version =
+ try { text.substring(1, text.length).toInt }
--- End diff --
Brace style is wrong
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