1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
|
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>SPI_gettype</title>
<link rel="stylesheet" href="stylesheet.css" type="text/css">
<link rev="made" href="pgsql-docs@postgresql.org">
<meta name="generator" content="DocBook XSL Stylesheets V1.70.0">
<link rel="start" href="index.html" title="PostgreSQL 8.1.4 Documentation">
<link rel="up" href="spi-interface-support.html" title="40.2.Interface Support Functions">
<link rel="prev" href="spi-spi-getbinval.html" title="SPI_getbinval">
<link rel="next" href="spi-spi-gettypeid.html" title="SPI_gettypeid">
<link rel="copyright" href="ln-legalnotice.html" title="Legal Notice">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
<a name="spi-spi-gettype"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2>Name</h2>
<p>SPI_gettype — return the data type name of the specified column</p>
</div>
<a name="id738137"></a><div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">char * SPI_gettype(TupleDesc <em class="parameter"><code>rowdesc</code></em>, int <em class="parameter"><code>colnumber</code></em>)</pre>
</div>
<div class="refsect1" lang="en">
<a name="id738163"></a><h2>Description</h2>
<p> <code class="function">SPI_gettype</code> returns a copy of the data type name of the
specified column. (You can use <code class="function">pfree</code> to
release the copy of the name when you don't need it anymore.)
</p>
</div>
<div class="refsect1" lang="en">
<a name="id738185"></a><h2>Arguments</h2>
<div class="variablelist"><dl>
<dt><span class="term"><code class="literal">TupleDesc <em class="parameter"><code>rowdesc</code></em></code></span></dt>
<dd><p> input row description
</p></dd>
<dt><span class="term"><code class="literal">int <em class="parameter"><code>colnumber</code></em></code></span></dt>
<dd><p> column number (count starts at 1)
</p></dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id738225"></a><h2>Return Value</h2>
<p> The data type name of the specified column, or
<code class="symbol">NULL</code> on error. <code class="varname">SPI_result</code> is
set to <code class="symbol">SPI_ERROR_NOATTRIBUTE</code> on error.
</p>
</div>
</div></body>
</html>
|