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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>47.1. Interface Functions</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.html" title="Chapter 47. Server Programming Interface" /><link rel="next" href="spi-spi-connect.html" title="SPI_connect" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">47.1. Interface Functions</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="spi.html" title="Chapter 47. Server Programming Interface">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="spi.html" title="Chapter 47. Server Programming Interface">Up</a></td><th width="60%" align="center">Chapter 47. Server Programming Interface</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="spi-spi-connect.html" title="SPI_connect">Next</a></td></tr></table><hr /></div><div class="sect1" id="SPI-INTERFACE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">47.1. Interface Functions <a href="#SPI-INTERFACE" class="id_link">#</a></h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="refentrytitle"><a href="spi-spi-connect.html">SPI_connect</a></span><span class="refpurpose"> — connect a C function to the SPI manager</span></dt><dt><span class="refentrytitle"><a href="spi-spi-finish.html">SPI_finish</a></span><span class="refpurpose"> — disconnect a C function from the SPI manager</span></dt><dt><span class="refentrytitle"><a href="spi-spi-execute.html">SPI_execute</a></span><span class="refpurpose"> — execute a command</span></dt><dt><span class="refentrytitle"><a href="spi-spi-exec.html">SPI_exec</a></span><span class="refpurpose"> — execute a read/write command</span></dt><dt><span class="refentrytitle"><a href="spi-spi-execute-extended.html">SPI_execute_extended</a></span><span class="refpurpose"> — execute a command with out-of-line parameters</span></dt><dt><span class="refentrytitle"><a href="spi-spi-execute-with-args.html">SPI_execute_with_args</a></span><span class="refpurpose"> — execute a command with out-of-line parameters</span></dt><dt><span class="refentrytitle"><a href="spi-spi-prepare.html">SPI_prepare</a></span><span class="refpurpose"> — prepare a statement, without executing it yet</span></dt><dt><span class="refentrytitle"><a href="spi-spi-prepare-cursor.html">SPI_prepare_cursor</a></span><span class="refpurpose"> — prepare a statement, without executing it yet</span></dt><dt><span class="refentrytitle"><a href="spi-spi-prepare-extended.html">SPI_prepare_extended</a></span><span class="refpurpose"> — prepare a statement, without executing it yet</span></dt><dt><span class="refentrytitle"><a href="spi-spi-prepare-params.html">SPI_prepare_params</a></span><span class="refpurpose"> — prepare a statement, without executing it yet</span></dt><dt><span class="refentrytitle"><a href="spi-spi-getargcount.html">SPI_getargcount</a></span><span class="refpurpose"> — return the number of arguments needed by a statement
prepared by <code class="function">SPI_prepare</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-getargtypeid.html">SPI_getargtypeid</a></span><span class="refpurpose"> — return the data type OID for an argument of
a statement prepared by <code class="function">SPI_prepare</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-is-cursor-plan.html">SPI_is_cursor_plan</a></span><span class="refpurpose"> — return <code class="symbol">true</code> if a statement
prepared by <code class="function">SPI_prepare</code> can be used with
<code class="function">SPI_cursor_open</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-execute-plan.html">SPI_execute_plan</a></span><span class="refpurpose"> — execute a statement prepared by <code class="function">SPI_prepare</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-execute-plan-extended.html">SPI_execute_plan_extended</a></span><span class="refpurpose"> — execute a statement prepared by <code class="function">SPI_prepare</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-execute-plan-with-paramlist.html">SPI_execute_plan_with_paramlist</a></span><span class="refpurpose"> — execute a statement prepared by <code class="function">SPI_prepare</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-execp.html">SPI_execp</a></span><span class="refpurpose"> — execute a statement in read/write mode</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-open.html">SPI_cursor_open</a></span><span class="refpurpose"> — set up a cursor using a statement created with <code class="function">SPI_prepare</code></span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-open-with-args.html">SPI_cursor_open_with_args</a></span><span class="refpurpose"> — set up a cursor using a query and parameters</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-open-with-paramlist.html">SPI_cursor_open_with_paramlist</a></span><span class="refpurpose"> — set up a cursor using parameters</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-parse-open.html">SPI_cursor_parse_open</a></span><span class="refpurpose"> — set up a cursor using a query string and parameters</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-find.html">SPI_cursor_find</a></span><span class="refpurpose"> — find an existing cursor by name</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-fetch.html">SPI_cursor_fetch</a></span><span class="refpurpose"> — fetch some rows from a cursor</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-move.html">SPI_cursor_move</a></span><span class="refpurpose"> — move a cursor</span></dt><dt><span class="refentrytitle"><a href="spi-spi-scroll-cursor-fetch.html">SPI_scroll_cursor_fetch</a></span><span class="refpurpose"> — fetch some rows from a cursor</span></dt><dt><span class="refentrytitle"><a href="spi-spi-scroll-cursor-move.html">SPI_scroll_cursor_move</a></span><span class="refpurpose"> — move a cursor</span></dt><dt><span class="refentrytitle"><a href="spi-spi-cursor-close.html">SPI_cursor_close</a></span><span class="refpurpose"> — close a cursor</span></dt><dt><span class="refentrytitle"><a href="spi-spi-keepplan.html">SPI_keepplan</a></span><span class="refpurpose"> — save a prepared statement</span></dt><dt><span class="refentrytitle"><a href="spi-spi-saveplan.html">SPI_saveplan</a></span><span class="refpurpose"> — save a prepared statement</span></dt><dt><span class="refentrytitle"><a href="spi-spi-register-relation.html">SPI_register_relation</a></span><span class="refpurpose"> — make an ephemeral named relation available by name in SPI queries</span></dt><dt><span class="refentrytitle"><a href="spi-spi-unregister-relation.html">SPI_unregister_relation</a></span><span class="refpurpose"> — remove an ephemeral named relation from the registry</span></dt><dt><span class="refentrytitle"><a href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></span><span class="refpurpose"> — make ephemeral trigger data available in SPI queries</span></dt></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="spi.html" title="Chapter 47. Server Programming Interface">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="spi.html" title="Chapter 47. Server Programming Interface">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="spi-spi-connect.html" title="SPI_connect">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 47. Server Programming Interface </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> SPI_connect</td></tr></table></div></body></html>
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