CQL reads (aka SELECT)
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Key: CASSANDRA-1704
URL: https://issues.apache.org/jira/browse/CASSANDRA-1704
Project: Cassandra
Issue Type: Sub-task
Components: API
Affects Versions: 0.8
Reporter: Eric Evans
Priority: Minor
Fix For: 0.8
Data access specification and implementation for CQL.
This corresponds to the following RPC methods:
* get()
* get_slice()
* get_count()
* multiget_slice()
* multiget_count()
* get_range_slices()
* get_indexed_slices()
The initial check-in to trunk/ uses a syntax that looks like:
{code:SQL}
SELECT (FROM)? <CF> [USING CONSISTENCY.<LVL>] WHERE <EXPRESSION> [ROWLIMIT X]
[COLLIMIT Y] [ASC|DESC]
{code}
Where:
* <CF> is the column family name.
* <EXPRESSION> consists of relations chained by the AND keyword.
* <LVL> corresponds to one of the enum values in the RPC interface(s).
What is still undone:
* Support for indexes
* Counts
* Complete text coverage
And of course, all of this is still very much open to further discussion.
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