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https://issues.apache.org/jira/browse/CASSANDRA-3450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lanny Ripple updated CASSANDRA-3450:
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Description:
In {{ColumnFamilyRecordReader}} {{computeNext()}} calls {{maybeInit()}} and
then if {{rows}} is not null it is indexed into. {{maybeInit()}} could fetch
new data, determine the associated slice predicate is empty, and end up
removing all the rows if all columns turned out to be empty. There is no check
for {{rows.isEmpty()}} after the possible removal of all rows.
was:
In {{ColumnFamilyRecordReder}} {{computeNext()}} calls {{maybeInit()}} and then
if {{rows}} is not null it is indexed into. {{maybeInit()}} could fetch new
data, determine the associated slice predicate is empty, and end up removing
all the rows if all columns turned out to be empty. There is no check for
{{rows.isEmpty()}} after the possible removal of all rows.
> maybeInit in ColumnFamilyRecordReader can cause rows to be empty but not null
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-3450
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3450
> Project: Cassandra
> Issue Type: Bug
> Components: Hadoop
> Affects Versions: 1.0.1
> Reporter: Lanny Ripple
> Priority: Minor
>
> In {{ColumnFamilyRecordReader}} {{computeNext()}} calls {{maybeInit()}} and
> then if {{rows}} is not null it is indexed into. {{maybeInit()}} could fetch
> new data, determine the associated slice predicate is empty, and end up
> removing all the rows if all columns turned out to be empty. There is no
> check for {{rows.isEmpty()}} after the possible removal of all rows.
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