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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd">

<document>
  <header>
    <title>GET ddl/database/:db/table/:table/column</title>
  </header>

  <body>
  <section>
   <title>Description</title>
    <p>List the columns in an HCatalog table.</p>
  </section>

  <section>
   <title>URL</title>
    <p><code>http://</code>www.myserver.com<code>/templeton/v1/ddl/database/</code>:db<code>/table/</code>:table<code>/column</code></p>
  </section>

  <section>
   <title>Parameters</title>
    <table>
    <tr><th>Name</th><th>Description</th><th>Required?</th><th>Default</th></tr>

    <tr><td><strong>:db</strong></td>
        <td>The database name</td>
        <td>Required</td>
        <td>None</td>
    </tr>

    <tr><td><strong>:table</strong></td>
        <td>The table name</td>
        <td>Required</td>
        <td>None</td>
    </tr>
    </table>
  </section>

  <section>
   <title>Results</title>
    <table>
    <tr><th>Name</th><th>Description</th></tr>

    <tr><td><strong>columns</strong></td>
        <td>A list of column names and types</td>
    </tr>

    <tr><td><strong>database</strong></td>
        <td>The database name</td>
    </tr>

    <tr><td><strong>table</strong></td>
        <td>The table name</td>
    </tr>
    </table>
 </section>

  <section>
   <title>Example</title>

   <p><strong>Curl Command</strong></p>
<source>
% curl -s 'http://localhost:50111/templeton/v1/ddl/database/default/table/my_table/column?user.name=ctdean'
</source>

   <p><strong>JSON Output</strong></p>
<source>
{
 "columns": [
   {
     "name": "id",
     "type": "bigint"
   },
   {
     "name": "user",
     "comment":"The user name",
     "type": "string"
   },
   {
     "name": "my_p",
     "type": "string"
   },
   {
     "name": "my_q",
     "type": "string"
   }
 ],
 "database": "default",
 "table": "my_table"
}
</source>
  </section>
 </body>
</document>
