tag:blogger.com,1999:blog-3201382679935869303.post603865589623787215..comments2014-03-19T23:42:11.316-07:00Comments on Code?: Java implementation of: WTF is a SuperColumn? An Intro to the Cassandra Data Modelrodrigoaphttp://www.blogger.com/profile/06268694344283461762noreply@blogger.comBlogger11125tag:blogger.com,1999:blog-3201382679935869303.post-63865371596504222992012-05-08T02:59:09.475-07:002012-05-08T02:59:09.475-07:00@Rodrigo, I have updated it to cassandra 1.1, inse...@Rodrigo, I have updated it to cassandra 1.1, inserted 1 author, 1 blogentry, some Tags, and 1 comment<br /><br />with <br /><br />Author author = new Author("pedro", "pedro@yahoo.com");<br /> author.setTotalPosts(0);<br /> <br /> clientA.set_keyspace("BloggyAppy");<br /> <br /> System.out.println("read author");<br /> //insertAuthor(clientA, author);<br /> //readSingleColumnAuthor(clientA, author);<br /> readEntireRowAuthor(clientA, author);<br /><br /> BlogEntry blogEntry = new BlogEntry();<br /> blogEntry.setAuthor(author);<br /> blogEntry.setBody("Este es el cuerpo del post de testeo.");<br /> blogEntry.setSlug("post-de-testeo");<br /> blogEntry.addTag(new Tag("test"));<br /> blogEntry.addTag(new Tag("post"));<br /> blogEntry.setTitle("Post de testeo");<br /><br /> System.out.println("read blogentry");<br /> // insertBlogEntry(clientA, blogEntry);<br /> readEntireRowBlogEntry(clientA, blogEntry.getSlug());<br /><br /> System.out.println("read taggedposts");<br /> // insertTaggedPost(clientA, "test", blogEntry);<br /> //insertTaggedPost(clientA, "t", blogEntry);<br /> //insertTaggedPost(clientA, "__notag__", blogEntry);<br /> readEntireRowTaggedPost(clientA, "test");<br /> readEntireRowTaggedPost(clientA, "__notag__");<br /><br /> <br /> System.out.println("read comments");<br /> Comment comment = new Comment("Pedro Marini", "El post lo veo bien");<br /> //insertComment(clientA, blogEntry, comment);<br /> readEntireRowComment(clientA, blogEntry);<br /><br />but the output is:<br /><br />read author<br />email -> pedro@yahoo.com<br />totalPosts -> <br />read blogentry<br />author -> pedro<br />body -> Este es el cuerpo del post de testeo.<br />tags -> __notag__ test post<br />title -> Post de testeo<br />read taggedposts<br />read comments<br /><br />Tags and comments can't be read, although they have been inserted<br /><br />[default@BloggyAppy] List TaggedPosts;<br />Using default limit of 100<br />-------------------<br />RowKey: 706f73742d64652d74657374656f<br />=> (column=c29f7a98-f311-e19d-54e1-7d0347ed0500, value=706f73742d64652d74657374656f, timestamp=133647073<br />3544) <br />=> (column=c362cb98-f311-e19d-54e1-7d0347ed0500, value=706f73742d64652d74657374656f, timestamp=133647073<br />3548) <br />=> (column=c3b0ec98-f311-e19d-54e1-7d0347ed0500, value=706f73742d64652d74657374656f, timestamp=133647073<br />3550) <br /><br />1 Row Returned.<br />Elapsed time: 8 msec(s).<br /><br />[default@BloggyAppy] List Comments; <br />Using default limit of 100<br />-------------------<br />RowKey: 436f6d6d656e7473<br />=> (super_column=c4261d98-f311-e19d-54e1-7d0347ed0500,<br /> (column=comment, value=456c20706f7374206c6f2076656f206269656e, timestamp=1336470733553)<br /> (column=commenter, value=506564726f204d6172696e69, timestamp=1336470733553))<br /><br />1 Row Returned.<br />Elapsed time: 13 msec(s).Cyril Auburtinhttps://www.blogger.com/profile/15493292006997553910noreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-73861139564547563082012-02-03T00:02:38.464-08:002012-02-03T00:02:38.464-08:00i am not getting batch_insert API in client ,
i a...i am not getting batch_insert API in client , <br />i am using 1.0.7 version of cassandraAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-80344027790651116392011-11-23T18:24:21.973-08:002011-11-23T18:24:21.973-08:00At last! I found a good post like this.. Thanks fo...At last! I found a good post like this.. Thanks for this informative post! By the way, can you write a post about <a href="http://ysseo0.cafe24.com/Importance-of-Facebook-in-SEO" rel="nofollow">facebook seo importance</a>? Thanks again!Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-38113338967476578662010-05-26T02:09:17.689-07:002010-05-26T02:09:17.689-07:00thanks for the postthanks for the postKumar Dnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-91675039870971607872010-05-20T01:30:53.035-07:002010-05-20T01:30:53.035-07:00Could u give me the complete details of installing...Could u give me the complete details of installing "thrift" in "RedHat Linux"Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-66972264417163427602010-03-22T12:28:41.139-07:002010-03-22T12:28:41.139-07:00I will write another entry for Cassandra 0.6.0I will write another entry for Cassandra 0.6.0rodrigoaphttps://www.blogger.com/profile/06268694344283461762noreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-9223873856240354702010-03-22T00:14:40.406-07:002010-03-22T00:14:40.406-07:00I tried to use it against cassandra version 0.6.0-...I tried to use it against cassandra version 0.6.0-beta3. However, the package seems to have changed and the client code could not compile. <br /><br />Any idea on how to change the client to work with version 0.6.0 ?<br /><br />ThanksAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-7974407664642460382010-03-17T18:13:48.792-07:002010-03-17T18:13:48.792-07:00Thank you very much rodrigoap!
Now it's workin...Thank you very much rodrigoap!<br />Now it's workin perfect!<br />Greate articule!Jesusnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-84905176052934736422010-03-17T09:52:26.397-07:002010-03-17T09:52:26.397-07:00Hi Jesus. You have to change 'serverA' to ...Hi Jesus. You have to change 'serverA' to the name or IP of your Cassandra server.rodrigoaphttps://www.blogger.com/profile/06268694344283461762noreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-50179394639437331352010-03-17T03:21:14.605-07:002010-03-17T03:21:14.605-07:00Greate post! Thanks! But when I run it using Eclip...Greate post! Thanks! But when I run it using Eclipse, I get this error:<br /><br />Exception in thread "main" org.apache.thrift.transport.TTransportException: java.net.UnknownHostException: serverA<br /> at org.apache.thrift.transport.TSocket.open(TSocket.java:185)<br /> at client.BlogClient.main(BlogClient.java:206)<br />Caused by: java.net.UnknownHostException: serverA<br /> at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)<br /> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)<br /> at java.net.Socket.connect(Socket.java:525)<br /> at java.net.Socket.connect(Socket.java:475)<br /> at org.apache.thrift.transport.TSocket.open(TSocket.java:180)<br /> ... 1 more<br /><br />What am I doing wrong?<br />I think I didn't install thrift for java. How can I do it?<br /><br />Thanks in advance!Jesusnoreply@blogger.comtag:blogger.com,1999:blog-3201382679935869303.post-28119859671495204982010-03-10T08:13:57.322-08:002010-03-10T08:13:57.322-08:00Thanks for the example!Thanks for the example!Anonymousnoreply@blogger.com