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int SPI_unregister_relation(const char * <em class="parameter"><code>name</code></em>)
</pre></div><div class="refsect1" id="id-1.8.12.8.28.6"><h2>Description</h2><p>
<code class="function">SPI_unregister_relation</code> removes an ephemeral named
relation from the registry for the current connection.
</p></div><div class="refsect1" id="id-1.8.12.8.28.7"><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">const char * <em class="parameter"><code>name</code></em></code></span></dt><dd><p>
the relation registry entry name
</p></dd></dl></div></div><div class="refsect1" id="id-1.8.12.8.28.8"><h2>Return Value</h2><p>
If the execution of the command was successful then the following
(nonnegative) value will be returned:
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="symbol">SPI_OK_REL_UNREGISTER</code></span></dt><dd><p>
if the tuplestore has been successfully removed from the registry
</p></dd></dl></div><p>
</p><p>
On error, one of the following negative values is returned:
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="symbol">SPI_ERROR_ARGUMENT</code></span></dt><dd><p>
if <em class="parameter"><code>name</code></em> is <code class="symbol">NULL</code>
</p></dd><dt><span class="term"><code class="symbol">SPI_ERROR_UNCONNECTED</code></span></dt><dd><p>
if called from an unconnected C function
</p></dd><dt><span class="term"><code class="symbol">SPI_ERROR_REL_NOT_FOUND</code></span></dt><dd><p>
if <em class="parameter"><code>name</code></em> is not found in the registry for the
current connection
</p></dd></dl></div><p>
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