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Posted to commits@cassandra.apache.org by "Blake Visin (JIRA)" <ji...@apache.org> on 2011/07/22 21:38:58 UTC
[jira] [Commented] (CASSANDRA-2939) CQL regex to match column
family in query
[ https://issues.apache.org/jira/browse/CASSANDRA-2939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069692#comment-13069692 ]
Blake Visin commented on CASSANDRA-2939:
----------------------------------------
How do I do code blocks? The regex's don't show up correctly in the description and the syntax is underlining it.
> CQL regex to match column family in query
> -----------------------------------------
>
> Key: CASSANDRA-2939
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2939
> Project: Cassandra
> Issue Type: Bug
> Components: Drivers
> Environment: Python CQL
> Reporter: Blake Visin
> Labels: CQL, python
>
> In the file cursor.py (https://svn.apache.org/repos/asf/cassandra/drivers/py/cql/cursor.py)
> Line 37: _cfamily_re = re.compile("\s*SELECT\s+.+\s+FROM\s+[\']?(\w+)", re.I | re.M)
> The Regex will improperly match anything after the word 'from' even if it is in the WHERE clause
> I believe the fix is:
> _cfamily_re = re.compile("\s*SELECT\s+.+?\s+FROM\s+[\']?(\w+)", re.I | re.M)
> Added the ? so the regex is not so greedy
> use this query to reproduce the results:
> SELECT key FROM column_family WHERE key = 'break from chores'"
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