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Posted to commits@cassandra.apache.org by "Eric Evans (JIRA)" <ji...@apache.org> on 2011/01/27 20:23:44 UTC
[jira] Updated: (CASSANDRA-2027) term definitions
[ https://issues.apache.org/jira/browse/CASSANDRA-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Evans updated CASSANDRA-2027:
----------------------------------
Attachment: v1-0003-remove-JUG-jar-and-references.txt
v1-0002-eliminate-usage-of-JUG-for-UUIDs.txt
v1-0001-CASSANDRA-2027-o.a.c.utils.UUIDGen-adapted-from-flewto.txt
> term definitions
> ----------------
>
> Key: CASSANDRA-2027
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2027
> Project: Cassandra
> Issue Type: Sub-task
> Components: API
> Affects Versions: 0.8
> Reporter: Eric Evans
> Assignee: Eric Evans
> Priority: Minor
> Fix For: 0.8
>
> Attachments: v1-0001-CASSANDRA-2027-o.a.c.utils.UUIDGen-adapted-from-flewto.txt, v1-0002-eliminate-usage-of-JUG-for-UUIDs.txt, v1-0003-remove-JUG-jar-and-references.txt
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> h3. String
> Anything between double-quotes. Node-side this is just converted to bytes, so it could really be used to represent *any* type so long as it is appropriately encoded.
> Examples:
> {code:style=SQL}
> SELECT "name" FROM cf;
> UPDATE cf SET "name" = "value" WHERE KEY = "key";
> {code}
> h3. UTF-8
> A double-quoted string literal that is prefixed with a "u" to indicated that it should be encoded to bytes using the utf-8 charset node-side.
> Examples:
> {code:style=SQL}
> SELECT u"name" FROM cf;
> UPDATE cf SET u"name" = u"value" WHERE KEY = "key";
> {code}
> h3. Integer
> An undecorated numeric literal, converted to a 4-byte int node-side.
> Examples:
> {code:style=SQL}
> SELECT 10..100 FROM cf WHERE KEY = "key";
> UPDATE cf SET 1000 = "thousand", 100 = "hundred" WHERE KEY = "key";
> {code}
> h3. Long
> A numeric literal suffixed with an "L", converted to an 8-byte long node-side.
> Examples:
> {code:style=SQL}
> SELECT 10L..100L FROM cf WHERE KEY = "key";
> UPDATE cf SET 1000L = "thousand", 100L = "hundred" WHERE KEY = "key";
> {code}
> h3. UUID
> A string-formatted UUID supplied as an "argument" to a ctor/function formated string ({{uuid(<uuid string>)}}). Node-side this is converted back to the corresponding UUID.
> Examples:
> {code:style=SQL}
> SELECT uuid(5f989e95-ae07-4425-b84a-6876ba106c66) FROM cf WHERE KEY = "key";
> UPDATE cf SET uuid(5621b93d-d3a2-4d22-8a59-bdb93202b6cb) = "username" WHERE KEY = "key";
> {code}
> h3. TimeUUID (UUID Type 1)
> A string-formatted time-based UUID (type 1) supplied as an "argument" to a ctor/function formated string ({{timeuuid(<uuid string>)}}). Node-side this is converted back to the corresponding UUID. In addition to a string-formatted UUID, it should also be possible to supply dates in a variety of formats which will result in a new UUID being created node-side.
> Examples:
> {code:style=SQL}
> SELECT timeuuid(2011-01-01)..timeuuid(2010-01-21) FROM cf WHERE KEY = "key";
> UPDATE cf SET timeuuid(now) = 1000L WHERE KEY = "key";
> {code}
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