Juhwan Kim created CALCITE-3296:
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Summary: Decorrelator gives empty result after decorrelating sort
rel with null offset and fetch
Key: CALCITE-3296
URL: https://issues.apache.org/jira/browse/CALCITE-3296
Project: Calcite
Issue Type: Bug
Reporter: Juhwan Kim
Assignee: Juhwan Kim
It seems like I introduced a bug with the recent decorrelator patch. Sort rel
with null offset and fetch would end up becoming an empty value since
decorrelator would call sortLimit builder with 0 limit and 0 offset. It should
pass negative values to builder when values are null.
https://github.com/apache/calcite/blob/e863294ccfbed9dd520c999f75ed0bbe03f9fb1d/core/src/main/java/org/apache/calcite/sql2rel/RelDecorrelator.java#L423
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