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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>SPI_getargcount</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="spi-spi-prepare-params.html" title="SPI_prepare_params" /><link rel="next" href="spi-spi-getargtypeid.html" title="SPI_getargtypeid" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">SPI_getargcount</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="spi-spi-prepare-params.html" title="SPI_prepare_params">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="spi-interface.html" title="47.1. Interface Functions">Up</a></td><th width="60%" align="center">47.1. Interface Functions</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="spi-spi-getargtypeid.html" title="SPI_getargtypeid">Next</a></td></tr></table><hr /></div><div class="refentry" id="SPI-SPI-GETARGCOUNT"><div class="titlepage"></div><a id="id-1.8.12.8.12.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">SPI_getargcount</span></h2><p>SPI_getargcount — return the number of arguments needed by a statement
prepared by <code class="function">SPI_prepare</code></p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
int SPI_getargcount(SPIPlanPtr <em class="parameter"><code>plan</code></em>)
</pre></div><div class="refsect1" id="id-1.8.12.8.12.5"><h2>Description</h2><p>
<code class="function">SPI_getargcount</code> returns the number of arguments needed
to execute a statement prepared by <code class="function">SPI_prepare</code>.
</p></div><div class="refsect1" id="id-1.8.12.8.12.6"><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">SPIPlanPtr <em class="parameter"><code>plan</code></em></code></span></dt><dd><p>
prepared statement (returned by <code class="function">SPI_prepare</code>)
</p></dd></dl></div></div><div class="refsect1" id="id-1.8.12.8.12.7"><h2>Return Value</h2><p>
The count of expected arguments for the <em class="parameter"><code>plan</code></em>.
If the <em class="parameter"><code>plan</code></em> is <code class="symbol">NULL</code> or invalid,
<code class="varname">SPI_result</code> is set to <code class="symbol">SPI_ERROR_ARGUMENT</code>
and -1 is returned.
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