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https://issues.apache.org/jira/browse/CASSANDRA-81?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandeep Tata updated CASSANDRA-81:
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Attachment: fix_for_get_slice.patch
Basic idea:
Instead of passing in a CountFilter, the getRow call resolves the entire row,
drops the first "offset" cols, picks the next "count" cols and returns. For the
given semantics, you can't get around resolving the full row.
> get_slice ignores the "start" parameter
> ---------------------------------------
>
> Key: CASSANDRA-81
> URL: https://issues.apache.org/jira/browse/CASSANDRA-81
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: trunk
> Environment: all
> Reporter: Sandeep Tata
> Assignee: Sandeep Tata
> Fix For: trunk
>
> Attachments: fix_for_get_slice.patch, unit_tests_for_get_slice.patch
>
>
> get_slice(string tablename, string key, string columnFamily_column, i32
> start, i32 count) is expected is return all columns starting at offset
> "start" subject to a maximum of "count" columns. The current code does not do
> this.
> Example interaction:
> ./Cassandra-remote insert 'Table1' 'key' 'DATA:c1' 'val1' 1
> None
> ./Cassandra-remote insert 'Table1' 'key' 'DATA:c2' 'val2' 1
> None
> ./Cassandra-remote insert 'Table1' 'key' 'DATA:c3' 'val3' 1
> None
> ./Cassandra-remote get_slice 'Table1' 'key' 'DATA' 0 2
> [ {'columnName': 'c1', 'value': 'val1', 'timestamp': 1},
> {'columnName': 'c2', 'value': 'val2', 'timestamp': 1}]
> ./Cassandra-remote get_slice 'Table1' 'key' 'DATA' 1 2
> [ {'columnName': 'c1', 'value': 'val1', 'timestamp': 1},
> {'columnName': 'c2', 'value': 'val2', 'timestamp': 1}]] <<---- Same as
> prev! "start" ignored
> ./Cassandra-remote get_slice 'Table1' 'key' 'DATA' 0 1
> [{'columnName': 'c1', 'value': 'val1', 'timestamp': 1}]
> ./Cassandra-remote get_slice 'Table1' 'key' 'DATA' 2 1
> [{'columnName': 'c1', 'value': 'val1', 'timestamp': 1}] <<---- Same as
> prev! "start" ignored
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