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From "Sandeep Tata (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-81) get_slice ignores the "start" parameter
Date Wed, 15 Apr 2009 23:21:14 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-81?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandeep Tata updated CASSANDRA-81:
----------------------------------

    Attachment: get_slice_fix_and_unit_tests_v3.patch

Changes with v3:

1. Added supercolumn tests
2. Moved the filtering code into CountFilter and called it from Table
3. Added call to waitForFlush 

> 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: 0.3
>
>         Attachments: fix_for_get_slice.patch, get_slice_fix_and_unit_tests_v2.patch,
get_slice_fix_and_unit_tests_v3.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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