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<title>MADlib: porter_stemmer.sql_in File Reference</title>
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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">porter_stemmer.sql_in File Reference</div>  </div>
</div><!--header-->
<div class="contents">

<p>implementation of porter stemmer operations in SQL  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:aca5bc24a9a8f5c33470b9f0bf0b3c515"><td class="memItemLeft" align="right" valign="top">text&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="porter__stemmer_8sql__in.html#aca5bc24a9a8f5c33470b9f0bf0b3c515">stem_token</a> (text token)</td></tr>
<tr class="memdesc:aca5bc24a9a8f5c33470b9f0bf0b3c515"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns stem of input token. Returns NULL if input token is NULL.  <a href="#aca5bc24a9a8f5c33470b9f0bf0b3c515">More...</a><br /></td></tr>
<tr class="separator:aca5bc24a9a8f5c33470b9f0bf0b3c515"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1ac3a2fd645ddf807b36a1328134a4ea"><td class="memItemLeft" align="right" valign="top">text []&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="porter__stemmer_8sql__in.html#a1ac3a2fd645ddf807b36a1328134a4ea">stem_token_arr</a> (text[] token_arr)</td></tr>
<tr class="memdesc:a1ac3a2fd645ddf807b36a1328134a4ea"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns stems in an array of input token array. Returns NULL element for corresponding input NULL token.  <a href="#a1ac3a2fd645ddf807b36a1328134a4ea">More...</a><br /></td></tr>
<tr class="separator:a1ac3a2fd645ddf807b36a1328134a4ea"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae074993f351b069eaa7831e8afb979ae"><td class="memItemLeft" align="right" valign="top">text&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="porter__stemmer_8sql__in.html#ae074993f351b069eaa7831e8afb979ae">stem_token</a> ()</td></tr>
<tr class="separator:ae074993f351b069eaa7831e8afb979ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a23ebfbea896802dd4c489773819f6cd8"><td class="memItemLeft" align="right" valign="top">text&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="porter__stemmer_8sql__in.html#a23ebfbea896802dd4c489773819f6cd8">stem_token_arr</a> ()</td></tr>
<tr class="separator:a23ebfbea896802dd4c489773819f6cd8"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<dl class="section date"><dt>Date</dt><dd>September 2015 </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="aca5bc24a9a8f5c33470b9f0bf0b3c515"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aca5bc24a9a8f5c33470b9f0bf0b3c515">&#9670;&nbsp;</a></span>stem_token() <span class="overload">[1/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">text stem_token </td>
          <td>(</td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>token</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">token</td><td>Text token </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>stem of token. </dd></dl>

</div>
</div>
<a id="ae074993f351b069eaa7831e8afb979ae"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae074993f351b069eaa7831e8afb979ae">&#9670;&nbsp;</a></span>stem_token() <span class="overload">[2/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">text stem_token </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

</div>
</div>
<a id="a1ac3a2fd645ddf807b36a1328134a4ea"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1ac3a2fd645ddf807b36a1328134a4ea">&#9670;&nbsp;</a></span>stem_token_arr() <span class="overload">[1/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">text [] stem_token_arr </td>
          <td>(</td>
          <td class="paramtype">text []&#160;</td>
          <td class="paramname"><em>token_arr</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">token_arr</td><td>Text[] token </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>stems array of input token array. </dd></dl>

</div>
</div>
<a id="a23ebfbea896802dd4c489773819f6cd8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a23ebfbea896802dd4c489773819f6cd8">&#9670;&nbsp;</a></span>stem_token_arr() <span class="overload">[2/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">text stem_token_arr </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

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