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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1578) Add support for column and row validators to cli
Date Wed, 06 Oct 2010 16:04:32 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918559#action_12918559
] 

Jonathan Ellis commented on CASSANDRA-1578:
-------------------------------------------

you can annotate specific columns with metadata specifying what type of data should be allowed,
and optionally declaring an index on it (see CASSANDRA-1583).  if we know that a column value
is LongType, we should convert the byte[] into a Long before displaying, and vice versa for
accepting input.  Right now we are just assuming all values are Strings:

{code}
        // print results
        css_.out.printf("=> (column=%s, value=%s, timestamp=%d)\n",
                        formatColumnName(keySpace, columnFamily, column), new String(column.value,
"UTF-8"), column.timestamp);
{code}

{code}
        // do the insert
        thriftClient_.insert(key.getBytes(), new ColumnParent(columnFamily).setSuper_column(superColumnName),
                             new Column(columnNameAsByteArray(columnName, columnFamily), value.getBytes(),
FBUtilities.timestampMicros()), ConsistencyLevel.ONE);
{code}

> Add support for column and row validators to cli
> ------------------------------------------------
>
>                 Key: CASSANDRA-1578
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1578
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Tools
>            Reporter: Jonathan Ellis
>            Assignee: Pavel Yaskevich
>             Fix For: 0.7.1
>
>
> Similar to CASSANDRA-1523, but this applies to column values where 1523 applied to column
names.  We want to parse/display column values in human-readable format.

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