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https://issues.apache.org/jira/browse/CASSANDRA-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293017#comment-13293017
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Jonathan Ellis commented on CASSANDRA-3647:
-------------------------------------------
Sorry, brainstorming again...
Could we do this instead of put/set? (Do we want to?)
{{noformat}
UPDATE foo SET M[ocd] = 1 WHERE ... ;
UPDATE foo SET L[0] = 1 WHERE ... ;
{{noformat}}
UNQL uses dot notation -- {{SET M.odc = 1}} -- but gives no examples of similar
sugar for arrays, which leads me to infer that arrays can only be modified as
an entire literal at once.
bq. add_all
What if we introduced the convention that using the + operator updates the
list/set/map? That is,
{{noformat}}
SET L = L + [2, 3]
SET S = S + {4, 5}
SET M = M + {'asdf': 6, 'fdsa': 7}
{{noformat}}
If we combined this with the [] syntax for setting a single item, that would
just leave us with discard to solve and we wouldn't need this somewhat clunky
"method call" syntax.
Maybe some extension to DELETE?
> Support set and map value types in CQL
> --------------------------------------
>
> Key: CASSANDRA-3647
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3647
> Project: Cassandra
> Issue Type: New Feature
> Components: API, Core
> Reporter: Jonathan Ellis
> Assignee: Sylvain Lebresne
> Labels: cql
> Fix For: 1.2
>
>
> Composite columns introduce the ability to have arbitrarily nested data in a
> Cassandra row. We should expose this through CQL.
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