Tim Armstrong created IMPALA-9953:
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Summary: Shell does not return all rows if a fetch times out
Key: IMPALA-9953
URL: https://issues.apache.org/jira/browse/IMPALA-9953
Project: IMPALA
Issue Type: Bug
Components: Clients
Reporter: Tim Armstrong
Assignee: Sahil Takiar
I noticed that if a fetch times out, impala-shell will stop returning rows and
close the query. It looks like this happens if the query transitions to
FINISHED state, then the fetch times out
I ran into this on an experimental branch where a sort deadlocked. I haven't
been able to repro on master yet but I thought I should report it.
The bug is here:
{noformat}
diff --git a/shell/impala_shell.py b/shell/impala_shell.py
index e0d802626..323aee6c9 100755
--- a/shell/impala_shell.py
+++ b/shell/impala_shell.py
@@ -1182,8 +1182,7 @@ class ImpalaShell(cmd.Cmd, object):
for rows in rows_fetched:
# IMPALA-4418: Break out of the loop to prevent printing an
unnecessary empty line.
- if len(rows) == 0:
- break
+ if len(rows) == 0: continue
self.output_stream.write(rows)
num_rows += len(rows)
{noformat}
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