Javascript 创建YQL Opentable以将RSS数据与Placemaker地图信息相结合

我试图从RSS提要中检索数据（本部分随后介绍），然后使用YQL Placemaker open datatable使用描述、标题和标题来获取地理信息（纬度、经度、woeId）

这就是作为JSON输出所需的全部内容

在YQL控制台中测试它的永久链接是

你知道我的xml代码有什么问题吗？或者我应该尝试什么

雅虎！股份有限公司。
http://i-magine.mobi/
从{table}中选择*，其中section=“topstories”和description匹配“*jpg.*”
搜索雅虎新闻RSS
http://rss.news.yahoo.com/rss/topstories/{section}
您的表的整洁（并且“工作”在某种意义上，它带来了RSS+Placemaker结果）版本如下所示：

<?xml version="1.0" encoding="UTF-8" ?>
<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
   <meta>
    <author>Peter Cowburn</author>
    <documentationURL>http://stackoverflow.com/questions/6168564/creating-a-yql-opentable-to-combine-rss-data-with-placemaker-map-info</documentationURL>
    <sampleQuery>select * from {table} where section='topstories'</sampleQuery>
    <description>Searches Yahoo! News RSS and injects Placemaker Places</description>
  </meta>
  <bindings>
    <select itemPath="stories.story" produces="XML">
      <urls>
        <url>
            http://rss.news.yahoo.com/rss/{section}
        </url>
      </urls>
      <inputs>
        <key id="section" type="xs:string" paramType="path" required="true" />
      </inputs>
      <execute><![CDATA[

// Fetch top 30 feed items with jpg images
var feed = y.query(
  'select * from rss where url=@url and description matches ".*jpg.*" limit 30',
  {url: request.url}
).results;

// Build geo queries
var placeQuery = 'select * from geo.placemaker where documentContent=@text and documentType="text/plain"';
var placeQueries = [];
var title, description, caption, summary, content;
for each (result in feed.item) {
  title       = result.title.text().toString();
  description = y.tidy(result.description.toString()).body.p;
  caption     = description.a.img.@alt.toString();
  summary     = description..*.text().toString();
  content     = caption + " " + title + " " + summary;
  placeQueries.push({
    query:   y.query(placeQuery, {text: content}),
    item:    result,
    results: null
  });
}

// Execute all queries
var where = new Namespace('http://wherein.yahooapis.com/v1/schema');
var matches, match, places = [];
for (var q in placeQueries) {
  matches = placeQueries[q].query.results.matches.match;
  placeQueries[q].results = matches..where::place;
}

// Build response object
var stories = <stories/>;
for each (q in placeQueries) {
  stories.node += <story>
    {q.item}
    {q.results}
  </story>;
}

response.object = stories;

      ]]></execute>
    </select>
  </bindings>
</table>

（）

该表使用了
块中可用的一些功能，如E4X、查询参数和并行查询，这些功能使生活更轻松，但乍一看可能有些陌生

另外，上面的内容是按原样提供的，我不打算在这个问题上反复回答“支持”问题。主要目的是让你行动起来，介绍一种可能适合你的方法。
嗨，伊姆兰，主要问题是你的
块有点混乱。你想做的是很有可能的，你自己做了吗？
<?xml version="1.0" encoding="UTF-8" ?>
<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
   <meta>
    <author>Peter Cowburn</author>
    <documentationURL>http://stackoverflow.com/questions/6168564/creating-a-yql-opentable-to-combine-rss-data-with-placemaker-map-info</documentationURL>
    <sampleQuery>select * from {table} where section='topstories'</sampleQuery>
    <description>Searches Yahoo! News RSS and injects Placemaker Places</description>
  </meta>
  <bindings>
    <select itemPath="stories.story" produces="XML">
      <urls>
        <url>
            http://rss.news.yahoo.com/rss/{section}
        </url>
      </urls>
      <inputs>
        <key id="section" type="xs:string" paramType="path" required="true" />
      </inputs>
      <execute><![CDATA[

// Fetch top 30 feed items with jpg images
var feed = y.query(
  'select * from rss where url=@url and description matches ".*jpg.*" limit 30',
  {url: request.url}
).results;

// Build geo queries
var placeQuery = 'select * from geo.placemaker where documentContent=@text and documentType="text/plain"';
var placeQueries = [];
var title, description, caption, summary, content;
for each (result in feed.item) {
  title       = result.title.text().toString();
  description = y.tidy(result.description.toString()).body.p;
  caption     = description.a.img.@alt.toString();
  summary     = description..*.text().toString();
  content     = caption + " " + title + " " + summary;
  placeQueries.push({
    query:   y.query(placeQuery, {text: content}),
    item:    result,
    results: null
  });
}

// Execute all queries
var where = new Namespace('http://wherein.yahooapis.com/v1/schema');
var matches, match, places = [];
for (var q in placeQueries) {
  matches = placeQueries[q].query.results.matches.match;
  placeQueries[q].results = matches..where::place;
}

// Build response object
var stories = <stories/>;
for each (q in placeQueries) {
  stories.node += <story>
    {q.item}
    {q.results}
  </story>;
}

response.object = stories;

      ]]></execute>
    </select>
  </bindings>
</table>

use 'https://raw.github.com/salathe/yql-tables/so-6168564/yahoo/newswithplaces.xml'
as rssplaces;
select * from rssplaces where section='topstories';