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From "Christoph Werres (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-6708) Dropping non existent table using IF EXISTS throws Exception
Date Fri, 14 Feb 2014 10:03:20 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christoph Werres updated CASSANDRA-6708:
----------------------------------------

    Description: 
When using cqlsh console and dropping a non existent table, an exception is thrown although
the IF EXISTS condition was given. Also when using the Java driver, an InvalidQueryException
is thrown in such a situation. This is very misleading in applications that suppose such requests
to be valid. In earlier versions it was a no-op call in that case. This is cqlsh output using
Cassandra 2.0.5 version:

{noformat}
[cqlsh 4.1.1 | Cassandra 2-0-5 | CQL spec 3.1.1 | Thrift protocol 19.39.0]
Use HELP for help.
cqlsh> USE mwerrch;
cqlsh:mwerrch> DESC TABLES;
cql3test
cqlsh:mwerrch> DROP TABLE IF EXISTS noexist;
Bad Request: unconfigured columnfamily noexist
cqlsh:mwerrch>
{noformat}

  was:
When using cqlsh console and dropping a non existent table, an exception is thrown although
the IF EXISTS condition was given. Also when using the Java driver, an InvalidQueryException
is thrown in such a situation. This is very misleading in applications that suppose such requests
to be valid. In earlier versions it was a no-op call in that case. This is cqlsh output using
Cassandra 2.0.5 version:

{noformat}
[cqlsh 4.4.4 | Cassandra 2-0-5 | CQL spec 3.1.1 | Thrift protocol 19.39.0]
Use HELP for help.
cqlsh> USE mwerrch;
cqlsh:mwerrch> DESC TABLES;
cql3test
cqlsh:mwerrch> DROP TABLE IF EXISTS noexist;
Bad Request: unconfigured columnfamily noexist
cqlsh:mwerrch>
{noformat}


> Dropping non existent table using IF EXISTS throws Exception
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-6708
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6708
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API
>         Environment: Ubuntu 12.0.4 with 8+ GB RAM and 40GB hard disk for data directory.
>            Reporter: Christoph Werres
>            Priority: Minor
>
> When using cqlsh console and dropping a non existent table, an exception is thrown although
the IF EXISTS condition was given. Also when using the Java driver, an InvalidQueryException
is thrown in such a situation. This is very misleading in applications that suppose such requests
to be valid. In earlier versions it was a no-op call in that case. This is cqlsh output using
Cassandra 2.0.5 version:
> {noformat}
> [cqlsh 4.1.1 | Cassandra 2-0-5 | CQL spec 3.1.1 | Thrift protocol 19.39.0]
> Use HELP for help.
> cqlsh> USE mwerrch;
> cqlsh:mwerrch> DESC TABLES;
> cql3test
> cqlsh:mwerrch> DROP TABLE IF EXISTS noexist;
> Bad Request: unconfigured columnfamily noexist
> cqlsh:mwerrch>
> {noformat}



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