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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2508) missing imports in CQL Python driver
Date Tue, 19 Apr 2011 20:30:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021769#comment-13021769
] 

Tyler Hobbs commented on CASSANDRA-2508:
----------------------------------------

Looks good with the exception of changing the exceptions that are raised.

Internal error refers to cql.InternalError here, and PEP 249 outlines its usage in a way that
closely matches the way it was used.
{noformat}
InternalError 
                      
Exception raised when the database encounters an internal
error, e.g. the cursor is not valid anymore, the
transaction is out of sync, etc.  It must be a subclass of
DatabaseError.
{noformat}

PEP 249 also mentions using NotSupportedError explicitly in reference to rollback():
{noformat}
NotSupportedError
          
Exception raised in case a method or database API was used
which is not supported by the database, e.g. requesting a
.rollback() on a connection that does not support
transaction or has transactions turned off.  It must be a
subclass of DatabaseError.
{noformat}
I think it should be kept here.

> missing imports in CQL Python driver
> ------------------------------------
>
>                 Key: CASSANDRA-2508
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2508
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>    Affects Versions: 0.8
>            Reporter: Eric Evans
>            Assignee: Jonathan Ellis
>              Labels: cql
>             Fix For: 0.8
>
>         Attachments: 2508.txt
>
>
> Try:
> bq. cd drivers/py && python -c 'from cql import DateFromTicks; DateFromTicks(1)'
> Also:
> {{cql.connection}} is missing an import of {{AuthenticationRequest}} from {{ttypes}},
and the exceptions {{NotSupportedError}}, and {{InternalError}}.
> Also:
> {{marshal.unmarshal_long}} has a NameError waiting to happen in the form of "unpack"

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