miland-db commented on code in PR #49006:
URL: https://github.com/apache/spark/pull/49006#discussion_r1871261521
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sql/core/src/main/scala/org/apache/spark/sql/scripting/SqlScriptingExecutionNode.scala:
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@@ -169,12 +172,42 @@ class SingleStatementExec(
* Executable nodes for nested statements within the CompoundBody.
* @param label
* Label set by user to CompoundBody or None otherwise.
+ * @param isScope
+ * Flag that indicates whether Compound Body
+ * @param context
+ * SqlScriptingExecutionContext keeps the execution state of current script.
*/
-class CompoundBodyExec(statements: Seq[CompoundStatementExec], label:
Option[String] = None)
+class CompoundBodyExec(
+ statements: Seq[CompoundStatementExec],
+ label: Option[String] = None,
+ isScope: Boolean,
+ context: SqlScriptingExecutionContext)
extends NonLeafStatementExec {
private var localIterator = statements.iterator
private var curr = if (localIterator.hasNext) Some(localIterator.next())
else None
+ private var scopeEntered = false
+ private var scopeExited = false
+
+ // Enter scope represented by this compound statement.
+ protected def enterScope(): Unit = {
+ // This check makes this operation idempotent.
Review Comment:
Done.
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