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From "Jeff Jirsa (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-9233) Allow system variables to be retrieved and set via CQL
Date Fri, 24 Apr 2015 00:49:40 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jeff Jirsa updated CASSANDRA-9233:
----------------------------------
    Fix Version/s:     (was: 3.1)

> Allow system variables to be retrieved and set via CQL
> ------------------------------------------------------
>
>                 Key: CASSANDRA-9233
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9233
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jeff Jirsa
>            Assignee: Jeff Jirsa
>            Priority: Minor
>         Attachments: 9233.txt
>
>
> Other database systems allow system variables to be retrieved and set via their query
interface:
> https://dev.mysql.com/doc/refman/5.1/en/set-statement.html
> http://www.postgresql.org/docs/8.2/static/sql-set.html
> Proposing the following CQL syntax for retrieving variables:
> {{SHOW VARIABLES;}}
> {{SHOW VARIABLE 'variable';}}
> Proposing the following CQL syntax for setting variables:
> {{SET VARIABLE 'variable'='value' ;}}
> The output of {{SHOW VARIABLES;}} will be a superset of the actual values that can be
set with {{SET VARIABLE}}, as not all values are safe to change after starting the node. 



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