wForget commented on code in PR #5161:
URL: https://github.com/apache/kyuubi/pull/5161#discussion_r1296943061
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externals/kyuubi-jdbc-engine/src/main/scala/org/apache/kyuubi/engine/jdbc/operation/ExecuteStatement.scala:
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@@ -67,9 +70,23 @@ class ExecuteStatement(
iter =
if (incrementalCollect) {
info("Execute in incremental collect mode")
- new IterableFetchIterator(resultSetWrapper.toIterable)
+ new IterableFetchIterator[Row](new Iterable[Row] {
+ private val fetched = new AtomicBoolean(false)
+ override def iterator: Iterator[Row] = {
+ if (fetched.getAndSet(true)) {
+ jdbcStatement.synchronized {
Review Comment:
we need to re-execute the statement when resetPosition is called
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