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From Roshan Dawrani <roshandawr...@gmail.com>
Subject Re: indexedslicesQuery class error
Date Thu, 17 Feb 2011 02:54:07 GMT
You didn't see the previously given link?

@see:
https://groups.google.com/group/hector-users/browse_thread/thread/520c5332dedfca4a

2011/2/17 Raoyixuan (Shandy) <raoyixuan@huawei.com>

>  But my requirement is get the data by birth_date and state , how to
> achieve it  by hector client?
>
>
>
> *From:* Roshan Dawrani [mailto:roshandawrani@gmail.com]
> *Sent:* Thursday, February 17, 2011 10:48 AM
>
> *To:* user@cassandra.apache.org
> *Subject:* Re: indexedslicesQuery class error
>
>
>
> addGtEqual???
>
>
>
> You are still making the same mistake.
>
>
>
> You are now saying that your values are going to be long (by passing LS as
> the valueSerializer), but in *addEqualsExpression*(), you are passing a
> String value.
>
> 2011/2/17 Raoyixuan (Shandy) <raoyixuan@huawei.com>
>
> Not really.
>
>
>
> I also tried the code as below:
>
> StringSerializer ss = StringSerializer.get();
>
> LongSerializer ls = LongSerializer.get();
> IndexedSlicesQuery<String, String, Long> indexedSlicesQuery =
> HFactory.createIndexedSlicesQuery(keyspace, ss, ss, ls);
>
>
> indexedSlicesQuery.setColumnNames("full_name", "birth_date", "state");
> indexedSlicesQuery.addGtExpression("birth_date", 1970L);
> indexedSlicesQuery.addEqualsExpression("state", "UT");
> indexedSlicesQuery.setColumnFamily("users");
> indexedSlicesQuery.setStartKey("");
>
> QueryResult<OrderedRows<String, String, Long>> result =
> indexedSlicesQuery.execute();
>
> It shows the error:
>
> The method addGtEqual<Epression(String,Long) in the type
> IndexedSlicesQuery<String,String,Long> is not applicable for the
> arguments(String,String)
>
>
>
>
>
>
>
> *From:* Roshan Dawrani [mailto:roshandawrani@gmail.com]
> *Sent:* Thursday, February 17, 2011 10:37 AM
> *To:* user@cassandra.apache.org
> *Subject:* Re: indexedslicesQuery class error
>
>
>
> That's because in createIndexedSlicesQuery(), you have used SS as the
> valueSerializer, and then in addGtExpression("birth_date", 1970L), you pass
> a long as the value.
>
>
>
> @see:
> https://groups.google.com/group/hector-users/browse_thread/thread/520c5332dedfca4a
>
>
>
> 2011/2/17 Raoyixuan (Shandy) <raoyixuan@huawei.com>
>
>  I do the range query  by the hector client when the state and birht_date
> columns are both indexed, it show the error:
>
>
>
> The method addGtExpression(String,String) in the type
> IndexedSlicesQuery<String,String,String> is not applicable for the
> arguments(String,long)
>
>
>
> The code is as below:
>
>
>
> StringSerializer ss = StringSerializer.get();
> IndexedSlicesQuery<String, String, String> indexedSlicesQuery =
> HFactory.createIndexedSlicesQuery(keyspace, ss, ss, ss);
> indexedSlicesQuery.setColumnNames("full_name", "birth_date", "state");
> indexedSlicesQuery.addGtExpression("birth_date", 1970L);
> indexedSlicesQuery.addEqualsExpression("state", "UT");
> indexedSlicesQuery.setColumnFamily("users");
> indexedSlicesQuery.setStartKey("");
> QueryResult<OrderedRows<String, String, String>> result =
> indexedSlicesQuery.execute();
>
>
>
> 华为技术有限公司 Huawei Technologies Co., Ltd.[image: Company_logo]
>
>
>
>
>
>
>
>
> Email: raoyixuan@huawei.com
> 地址:深圳市龙岗区坂田华为基地 邮编:518129
> Huawei Technologies Co., Ltd.
> Bantian, Longgang District,Shenzhen 518129, P.R.China
> http://www.huawei.com
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> --
> Roshan
> Blog: http://roshandawrani.wordpress.com/
> Twitter: @roshandawrani <http://twitter.com/roshandawrani>
> Skype: roshandawrani
>
>
>
>
> --
> Roshan
> Blog: http://roshandawrani.wordpress.com/
> Twitter: @roshandawrani <http://twitter.com/roshandawrani>
> Skype: roshandawrani
>

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