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From "Sylvain Lebresne (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-4184) Make identifier and value grammar for CQL3 stricter
Date Wed, 25 Apr 2012 12:46:52 GMT
Sylvain Lebresne created CASSANDRA-4184:

             Summary: Make identifier and value grammar for CQL3 stricter
                 Key: CASSANDRA-4184
             Project: Cassandra
          Issue Type: Improvement
          Components: API
    Affects Versions: 1.1.0
            Reporter: Sylvain Lebresne
            Assignee: Sylvain Lebresne
             Fix For: 1.1.1

The current grammar for CQL3 allows:
# uuid and integer constants as identifiers
# identifier as value (aka term in the grammar)

I think both of those should be removed.

For 1, mostly because this feels useless and slightly complicates the grammar which is annoying
for the documentation of CQL3 for instance (note that this doesn't mean forbidding integer
or uuid as identifier, but means they have to be double-quoted when used as such).
For 2, I think that allowing identifier as value is actually misleading, typically if you
write things like {{SELECT foo WHERE foo=foo}}. It suggests we support JOIN when we do not.

Also, if both are done, then one will always be able to distinguish between identifier and
value even without any context, which is a nice property.

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