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From: Konstantinos Chasapis <chasap@ics.forth.gr>
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Subject: Re: thrift c++ insert Exception [Column value is required]
Date: Sun, 14 Aug 2011 11:59:28 +0300
References: <a6e2b74e806e35de1ee388c5706c3fe1.squirrel@webmail.ics.forth.gr>
 <CALdd-zhStO-0x0HUnBhbwj145Q5Qcpv9H6HZBtsqzcExno0sLw@mail.gmail.com>

Hi,
Thank you for your answer. Is there any documentation that describes  
all this values that I have to set?

Konstantinos Chasapis

On Aug 14, 2011, at 6:28 AM, Jonathan Ellis wrote:

> In C++ you need to set .__isset.fieldname on optional fields (e.g.
> .__isset.value).
>
> 2011/8/13 Hassapis Constantinos <chasap@ics.forth.gr>:
>> Hi all,
>>
>> I'm using Cassandra 0.8.3 and thrift for c++ and I can't insert  
>> column in
>> a column family. Starting from an empty keyspace first I add a new
>> keyspace and then a new column family and that works fine but I can't
>> insert a column.
>> The code that I have written is:
>>
>>                transport->open();
>>                KsDef ks_def;
>>
>>                ks_def.name = "test_keyspace";
>>                ks_def.replication_factor = 0;
>>                ks_def.strategy_class = "LocalStrategy";
>>                std::string res;
>>
>>                cout << "add keyspace.." << endl;
>>                client.system_add_keyspace( res, ks_def);
>>                client.set_keyspace("test_keyspace");
>>
>>                cout << "add column family.." << endl;
>>                CfDef cf_def;
>>                cf_def.keyspace= "test_keyspace";
>>                cf_def.name = "cf_name_test";
>>                client.system_add_column_family( res, cf_def );
>>
>>                const string& key="test_key";
>>                const string value="valueeee_";
>>
>>                ColumnParent cparent;
>>                cparent.column_family = "cf_name_test";
>>
>>                Column c;
>>                c.name =  "column_namess";
>>                c.value =  value;
>>                c.timestamp = getTS();
>>
>>                cout << "insert key value:"<< c.value << endl;
>>                client.insert( key, cparent, c,  
>> ConsistencyLevel::ONE);
>>
>>                cout << "drop column family" << endl;
>>                client.system_drop_column_family( res,  
>> "cf_name_test");
>>
>>                cout << "drop keyspace" << endl;
>>                client.system_drop_keyspace( res, "test_keyspace");
>>
>>                transport->close();
>>
>> and I recive the bellow Exception: Default TException.  [Column  
>> value is
>> required] as you can see from the source code I have fill the value  
>> of the
>> column.
>>
>> thank you in advance for your help.
>> Konstantinos Chasapis
>> p.s please cc me in the reply.
>>
>>
>>
>>
>
>
>
> -- 
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of DataStax, the source for professional Cassandra support
> http://www.datastax.com
>