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Posted to reviews@spark.apache.org by "WweiL (via GitHub)" <gi...@apache.org> on 2023/08/10 19:53:38 UTC
[GitHub] [spark] WweiL opened a new pull request, #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
WweiL opened a new pull request, #42437:
URL: https://github.com/apache/spark/pull/42437
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### What changes were proposed in this pull request?
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When calling `spark.streams.get(q.id)` on a stopped query q. It should return None in python and null in scala client. But right now it throws a null pointer exception. This PR fixes this issue.
### Why are the changes needed?
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Bug fix
### Does this PR introduce _any_ user-facing change?
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Added unit tests
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[GitHub] [spark] HyukjinKwon closed pull request #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
Posted by "HyukjinKwon (via GitHub)" <gi...@apache.org>.
HyukjinKwon closed pull request #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
URL: https://github.com/apache/spark/pull/42437
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[GitHub] [spark] HyukjinKwon commented on pull request #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
Posted by "HyukjinKwon (via GitHub)" <gi...@apache.org>.
HyukjinKwon commented on PR #42437:
URL: https://github.com/apache/spark/pull/42437#issuecomment-1674113317
Merged to master and branch-3.5.
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[GitHub] [spark] rangadi commented on a diff in pull request #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
Posted by "rangadi (via GitHub)" <gi...@apache.org>.
rangadi commented on code in PR #42437:
URL: https://github.com/apache/spark/pull/42437#discussion_r1290669520
##########
python/pyspark/sql/tests/streaming/test_streaming.py:
##########
@@ -315,6 +315,19 @@ def _assert_exception_tree_contains_msg_default(self, exception, msg):
contains = msg in e.desc
self.assertTrue(contains, "Exception tree doesn't contain the expected message: %s" % msg)
+ def test_query_manager_get(self):
+ df = self.spark.readStream.format("rate").load()
+ for q in self.spark.streams.active:
+ q.stop()
Review Comment:
But that does not affect the test, right?
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[GitHub] [spark] WweiL commented on a diff in pull request #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
Posted by "WweiL (via GitHub)" <gi...@apache.org>.
WweiL commented on code in PR #42437:
URL: https://github.com/apache/spark/pull/42437#discussion_r1290660230
##########
python/pyspark/sql/tests/streaming/test_streaming.py:
##########
@@ -315,6 +315,19 @@ def _assert_exception_tree_contains_msg_default(self, exception, msg):
contains = msg in e.desc
self.assertTrue(contains, "Exception tree doesn't contain the expected message: %s" % msg)
+ def test_query_manager_get(self):
+ df = self.spark.readStream.format("rate").load()
+ for q in self.spark.streams.active:
+ q.stop()
Review Comment:
To make sure there is no other running queries for test reasons. I see this used in other places of the tests too.
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[GitHub] [spark] rangadi commented on a diff in pull request #42437: [SPARK-43032][FOLLOWUP][SS][CONNECT] StreamingQueryManager bug fix
Posted by "rangadi (via GitHub)" <gi...@apache.org>.
rangadi commented on code in PR #42437:
URL: https://github.com/apache/spark/pull/42437#discussion_r1290654289
##########
python/pyspark/sql/tests/streaming/test_streaming.py:
##########
@@ -315,6 +315,19 @@ def _assert_exception_tree_contains_msg_default(self, exception, msg):
contains = msg in e.desc
self.assertTrue(contains, "Exception tree doesn't contain the expected message: %s" % msg)
+ def test_query_manager_get(self):
+ df = self.spark.readStream.format("rate").load()
+ for q in self.spark.streams.active:
+ q.stop()
Review Comment:
What is this for?
##########
connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala:
##########
@@ -3061,8 +3061,8 @@ class SparkConnectPlanner(val sessionHolder: SessionHolder) extends Logging {
.asJava)
case StreamingQueryManagerCommand.CommandCase.GET_QUERY =>
- val query = session.streams.get(command.getGetQuery)
- respBuilder.setQuery(buildStreamingQueryInstance(query))
+ val query = Option(session.streams.get(command.getGetQuery))
+ query.foreach { q => respBuilder.setQuery(buildStreamingQueryInstance(q)) }
Review Comment:
Style suggestion: Can remove `val query`:
```
Option(session.streams.get(command.getGetQuery)).foreach { q =>
respBuilder.setQuery(buildStreamingQueryInstance(q))
}
```
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