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https://issues.jboss.org/browse/TEIID-2690?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-2690.
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Fix Version/s: 8.6
Resolution: Done
As I recall this change was intended as part of TEIID-2442, but was not included probably
due to the lack of a reproducing unit test.
The correction is to simply reuse the BatchIterator instance (just as is done with all
other code paths that use BatchIterators).
Tuples lost in a with clause item.
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Key: TEIID-2690
URL:
https://issues.jboss.org/browse/TEIID-2690
Project: Teiid
Issue Type: Bug
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Priority: Blocker
Fix For: 8.6
Related to TEIID-2442 - the BatchIterator created for the creation of the temp table
backing a with clause item cannot be created after blocking without loosing tuples.
On 8.3.x+ a single block is not sufficient to induce this behavior if there are any
tuples that have been retrieved since the last block as the access node logic will return
the partial batch. Thus may occur as a somewhat rare timing issue in 8.3.x+. However in
7.7.7/7.7.8 a single block cause the recreation of the BatchIterator making the affect
almost certain once the row count exceeds the computed working batch size (nominally 256
rows, but allowed to vary based upon the row width).
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