hustfeiwang commented on a change in pull request #23276: [SPARK-26321][SQL]
Improve the behavior of sql text splitting for the spark-sql command line
URL: https://github.com/apache/spark/pull/23276#discussion_r261491648
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File path:
sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala
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@@ -331,6 +337,65 @@ private[hive] class SparkSQLCLIDriver extends CliDriver
with Logging {
console.printInfo(s"Spark master: $master, Application Id: $appId")
}
+ // method body imported from Hive and translated from Java to Scala
+ override def processLine(line: String, allowInterrupting: Boolean): Int = {
+ var oldSignal: SignalHandler = null
+ var interruptSignal: Signal = null
+
+ if (allowInterrupting) {
+ // Remember all threads that were running at the time we started line
processing.
+ // Hook up the custom Ctrl+C handler while processing this line
+ interruptSignal = new Signal("INT")
+ oldSignal = Signal.handle(interruptSignal, new SignalHandler() {
+ private val cliThread = Thread.currentThread()
Review comment:
what's the meaning of cliThread, I don't find any usage.
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