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        Class&nbsp;Rows
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class Rows</h1><span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows">source&nbsp;code</a></span><br /><br />
<pre class="base-tree">
object --+
         |
        <strong class="uidshort">Rows</strong>
</pre>

<hr />
A wrapper for the return value of a select. It basically represents a 
  table. It has an iterator and each row is represented as a 
  dictionary.<br /><br />

<!-- ==================== INSTANCE METHODS ==================== -->
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          <td><span class="summary-sig"><a href="web2py.gluon.dal.Rows-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">db</span>=<span class="summary-sig-default">1</span>,
        <span class="summary-sig-arg">records</span>=<span class="summary-sig-default"><code class="variable-group">[</code><code class="variable-group">]</code></span>,
        <span class="summary-sig-arg">colnames</span>=<span class="summary-sig-default"><code class="variable-group">[</code><code class="variable-group">]</code></span>,
        <span class="summary-sig-arg">compact</span>=<span class="summary-sig-default">True</span>,
        <span class="summary-sig-arg">rawrows</span>=<span class="summary-sig-default">1</span>)</span><br />
      x.__init__(...) initializes x; see x.__class__.__doc__ for 
      signature</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__init__">source&nbsp;code</a></span>
            
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      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="setvirtualfields"></a><span class="summary-sig-name">setvirtualfields</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">**keyed_virtualfields</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.setvirtualfields">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="__and__"></a><span class="summary-sig-name">__and__</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">other</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__and__">source&nbsp;code</a></span>
            
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          <td><span class="summary-sig"><a name="__or__"></a><span class="summary-sig-name">__or__</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">other</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__or__">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="__nonzero__"></a><span class="summary-sig-name">__nonzero__</span>(<span class="summary-sig-arg">self</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__nonzero__">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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        <tr>
          <td><span class="summary-sig"><a name="__len__"></a><span class="summary-sig-name">__len__</span>(<span class="summary-sig-arg">self</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__len__">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="__getslice__"></a><span class="summary-sig-name">__getslice__</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">a</span>,
        <span class="summary-sig-arg">b</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__getslice__">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="__getitem__"></a><span class="summary-sig-name">__getitem__</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">i</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__getitem__">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
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        <tr>
          <td><span class="summary-sig"><a name="__iter__"></a><span class="summary-sig-name">__iter__</span>(<span class="summary-sig-arg">self</span>)</span><br />
      iterator over records</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__iter__">source&nbsp;code</a></span>
            
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="web2py.gluon.dal.Rows-class.html#__str__" class="summary-sig-name">__str__</a>(<span class="summary-sig-arg">self</span>)</span><br />
      serializes the table into a csv file</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__str__">source&nbsp;code</a></span>
            
          </td>
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      </table>
      
    </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="first"></a><span class="summary-sig-name">first</span>(<span class="summary-sig-arg">self</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.first">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="last"></a><span class="summary-sig-name">last</span>(<span class="summary-sig-arg">self</span>)</span></td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.last">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
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<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="find"></a><span class="summary-sig-name">find</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">f</span>)</span><br />
      returns a new Rows object, a subset of the original object, 
      filtered by the function f</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.find">source&nbsp;code</a></span>
            
          </td>
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      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="exclude"></a><span class="summary-sig-name">exclude</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">f</span>)</span><br />
      removes elements from the calling Rows object, filtered by the 
      function f, and returns a new Rows object containing the removed 
      elements</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.exclude">source&nbsp;code</a></span>
            
          </td>
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      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="sort"></a><span class="summary-sig-name">sort</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">f</span>,
        <span class="summary-sig-arg">reverse</span>=<span class="summary-sig-default">True</span>)</span><br />
      returns a list of sorted elements (not sorted in place)</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.sort">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="web2py.gluon.dal.Rows-class.html#as_list" class="summary-sig-name">as_list</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">compact</span>=<span class="summary-sig-default">True</span>,
        <span class="summary-sig-arg">storage_to_dict</span>=<span class="summary-sig-default">True</span>,
        <span class="summary-sig-arg">datetime_to_str</span>=<span class="summary-sig-default">True</span>)</span><br />
      returns the data as a list or dictionary.</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.as_list">source&nbsp;code</a></span>
            
          </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="web2py.gluon.dal.Rows-class.html#as_dict" class="summary-sig-name">as_dict</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">key</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">id</code><code class="variable-quote">'</code></span>,
        <span class="summary-sig-arg">compact</span>=<span class="summary-sig-default">True</span>,
        <span class="summary-sig-arg">storage_to_dict</span>=<span class="summary-sig-default">True</span>,
        <span class="summary-sig-arg">datetime_to_str</span>=<span class="summary-sig-default">True</span>)</span><br />
      returns the data as a dictionary of dictionaries 
      (storage_to_dict=True) or records (False)</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.as_dict">source&nbsp;code</a></span>
            
          </td>
        </tr>
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    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="web2py.gluon.dal.Rows-class.html#export_to_csv_file" class="summary-sig-name">export_to_csv_file</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">ofile</span>,
        <span class="summary-sig-arg">null</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">&lt;NULL&gt;</code><code class="variable-quote">'</code></span>,
        <span class="summary-sig-arg">*args</span>,
        <span class="summary-sig-arg">**kwargs</span>)</span><br />
      export data to csv, the first line contains the column names...</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.export_to_csv_file">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="xml"></a><span class="summary-sig-name">xml</span>(<span class="summary-sig-arg">self</span>)</span><br />
      serializes the table using sqlhtml.SQLTABLE (if present)</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.xml">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="json"></a><span class="summary-sig-name">json</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">mode</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">object</code><code class="variable-quote">'</code></span>,
        <span class="summary-sig-arg">default</span>=<span class="summary-sig-default">1</span>)</span><br />
      serializes the table to a JSON list of objects</td>
          <td align="right" valign="top">
            <span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.json">source&nbsp;code</a></span>
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
  <tr>
    <td colspan="2" class="summary">
    <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
      <code>__delattr__</code>,
      <code>__getattribute__</code>,
      <code>__hash__</code>,
      <code>__new__</code>,
      <code>__reduce__</code>,
      <code>__reduce_ex__</code>,
      <code>__repr__</code>,
      <code>__setattr__</code>
      </p>
    </td>
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<!-- ==================== PROPERTIES ==================== -->
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         ><span class="options">[<a href="#section-Properties"
         class="privatelink" onclick="toggle_private();"
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    <td colspan="2" class="summary">
    <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
      <code>__class__</code>
      </p>
    </td>
  </tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
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<a name="__init__"></a>
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  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">db</span>=<span class="sig-default">1</span>,
        <span class="sig-arg">records</span>=<span class="sig-default"><code class="variable-group">[</code><code class="variable-group">]</code></span>,
        <span class="sig-arg">colnames</span>=<span class="sig-default"><code class="variable-group">[</code><code class="variable-group">]</code></span>,
        <span class="sig-arg">compact</span>=<span class="sig-default">True</span>,
        <span class="sig-arg">rawrows</span>=<span class="sig-default">1</span>)</span>
    <br /><em class="fname">(Constructor)</em>
  </h3>
  </td><td align="right" valign="top"
    ><span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__init__">source&nbsp;code</a></span>&nbsp;
    </td>
  </table>
  
  x.__init__(...) initializes x; see x.__class__.__doc__ for 
  signature
  <dl class="fields">
    <dt>Overrides:
      object.__init__
        <dd><em class="note">(inherited documentation)</em></dd>
    </dt>
  </dl>
</td></tr></table>
</div>
<a name="__str__"></a>
<div>
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       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">__str__</span>(<span class="sig-arg">self</span>)</span>
    <br /><em class="fname">(Informal representation operator)</em>
  </h3>
  </td><td align="right" valign="top"
    ><span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.__str__">source&nbsp;code</a></span>&nbsp;
    </td>
  </table>
  
  serializes the table into a csv file
  <dl class="fields">
    <dt>Overrides:
      object.__str__
    </dt>
  </dl>
</td></tr></table>
</div>
<a name="as_list"></a>
<div>
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       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">as_list</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">compact</span>=<span class="sig-default">True</span>,
        <span class="sig-arg">storage_to_dict</span>=<span class="sig-default">True</span>,
        <span class="sig-arg">datetime_to_str</span>=<span class="sig-default">True</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    ><span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.as_list">source&nbsp;code</a></span>&nbsp;
    </td>
  </table>
  
  returns the data as a list or dictionary. :param storage_to_dict: when
  True returns a dict, otherwise a list(default True) :param 
  datetime_to_str: convert datetime fields as strings (default True)
  <dl class="fields">
  </dl>
</td></tr></table>
</div>
<a name="as_dict"></a>
<div>
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       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">as_dict</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">key</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">id</code><code class="variable-quote">'</code></span>,
        <span class="sig-arg">compact</span>=<span class="sig-default">True</span>,
        <span class="sig-arg">storage_to_dict</span>=<span class="sig-default">True</span>,
        <span class="sig-arg">datetime_to_str</span>=<span class="sig-default">True</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    ><span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.as_dict">source&nbsp;code</a></span>&nbsp;
    </td>
  </table>
  
  <p>returns the data as a dictionary of dictionaries 
  (storage_to_dict=True) or records (False)</p>
  :param key: the name of the field to be used as dict key, normally the
  id :param compact: ? (default True) :param storage_to_dict: when True 
  returns a dict, otherwise a list(default True) :param datetime_to_str: 
  convert datetime fields as strings (default True)
  <dl class="fields">
  </dl>
</td></tr></table>
</div>
<a name="export_to_csv_file"></a>
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       cellspacing="0" width="100%" bgcolor="white">
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  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">export_to_csv_file</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">ofile</span>,
        <span class="sig-arg">null</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">&lt;NULL&gt;</code><code class="variable-quote">'</code></span>,
        <span class="sig-arg">*args</span>,
        <span class="sig-arg">**kwargs</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    ><span class="codelink"><a href="web2py.gluon.dal-pysrc.html#Rows.export_to_csv_file">source&nbsp;code</a></span>&nbsp;
    </td>
  </table>
  
  <pre class="literalblock">

export data to csv, the first line contains the column names

:param ofile: where the csv must be exported to
:param null: how null values must be represented (default '&lt;NULL&gt;')
:param delimiter: delimiter to separate values (default ',')
:param quotechar: character to use to quote string values (default '&quot;')
:param quoting: quote system, use csv.QUOTE_*** (default csv.QUOTE_MINIMAL)
:param represent: use the fields .represent value (default False)
:param colnames: list of column names to use (default self.colnames)
                 This will only work when exporting rows objects!!!!
                 DO NOT use this with db.export_to_csv()

</pre>
  <dl class="fields">
  </dl>
</td></tr></table>
</div>
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