<?xml version="1.0"?>

<page xmlns="http://projectmallard.org/1.0/"
      type="topic"
      style="function"
      xmlns:api="http://projectmallard.org/experimental/api/"
      xmlns:ui="http://projectmallard.org/experimental/ui/"
      id="mongoc_database_command_simple">


  <info>
    <link type="guide" xref="mongoc_database_t" group="function"/>
  </info>
  <title>mongoc_database_command_simple()</title>

  <section id="synopsis">
    <title>Synopsis</title>
    <synopsis><code mime="text/x-csrc"><![CDATA[bool
mongoc_database_command_simple (mongoc_database_t         *database,
                                const bson_t              *command,
                                const mongoc_read_prefs_t *read_prefs,
                                bson_t                    *reply,
                                bson_error_t              *error);
]]></code></synopsis>
  </section>


  <section id="parameters">
    <title>Parameters</title>
    <table>
      <tr><td><p>database</p></td><td><p>A <link xref="mongoc_database_t">mongoc_database_t</link>.</p></td></tr>
      <tr><td><p>command</p></td><td><p>A bson_t containing the command.</p></td></tr>
      <tr><td><p>read_prefs</p></td><td><p>An optional <link xref="mongoc_read_prefs_t">mongoc_read_prefs_t</link>.</p></td></tr>
      <tr><td><p>reply</p></td><td><p>A location to store the commands first result document.</p></td></tr>
      <tr><td><p>error</p></td><td><p>An optional location for a <link xref="bson_error_t">bson_error_t</link> or <code>NULL</code>.</p></td></tr>
    </table>
  </section>

  <section id="description">
    <p>This is a simplified interface to <link xref="mongoc_database_command">mongoc_database_command()</link> that returns the first result document.</p>
    <note style="warning"><p>This function will <em>always</em> initialize <code>reply</code>. The caller should always call <link xref="bson_destroy">bson_destroy()</link> with <code>reply</code> as an argument.</p></note>
  </section>

  <section id="errors">
    <title>Errors</title>
    <p>Errors are propagated through the <code>error</code> parameter.</p>
  </section>

  <section id="return">
    <title>Returns</title>
    <p><code>true</code> on success, <code>false</code> on failure and <code>error</code> is set.</p>
  </section>

</page>
