diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
| commit | 293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch) | |
| tree | fc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /doc/src/sgml/html/spi-spi-fnumber.html | |
| parent | Initial commit. (diff) | |
| download | postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip | |
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | doc/src/sgml/html/spi-spi-fnumber.html | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/src/sgml/html/spi-spi-fnumber.html b/doc/src/sgml/html/spi-spi-fnumber.html new file mode 100644 index 0000000..be06b5e --- /dev/null +++ b/doc/src/sgml/html/spi-spi-fnumber.html @@ -0,0 +1,22 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!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_fnumber</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-fname.html" title="SPI_fname" /><link rel="next" href="spi-spi-getvalue.html" title="SPI_getvalue" /></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_fnumber</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="spi-spi-fname.html" title="SPI_fname">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="spi-interface-support.html" title="47.2. Interface Support Functions">Up</a></td><th width="60%" align="center">47.2. Interface Support Functions</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-getvalue.html" title="SPI_getvalue">Next</a></td></tr></table><hr /></div><div class="refentry" id="SPI-SPI-FNUMBER"><div class="titlepage"></div><a id="id-1.8.12.9.5.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">SPI_fnumber</span></h2><p>SPI_fnumber — determine the column number for the specified column name</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis"> +int SPI_fnumber(TupleDesc <em class="parameter"><code>rowdesc</code></em>, const char * <em class="parameter"><code>colname</code></em>) +</pre></div><div class="refsect1" id="id-1.8.12.9.5.5"><h2>Description</h2><p> + <code class="function">SPI_fnumber</code> returns the column number for the + column with the specified name. + </p><p> + If <em class="parameter"><code>colname</code></em> refers to a system column (e.g., + <code class="literal">ctid</code>) then the appropriate negative column number will + be returned. The caller should be careful to test the return value + for exact equality to <code class="symbol">SPI_ERROR_NOATTRIBUTE</code> to + detect an error; testing the result for less than or equal to 0 is + not correct unless system columns should be rejected. + </p></div><div class="refsect1" id="id-1.8.12.9.5.6"><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><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">const char * <em class="parameter"><code>colname</code></em></code></span></dt><dd><p> + column name + </p></dd></dl></div></div><div class="refsect1" id="id-1.8.12.9.5.7"><h2>Return Value</h2><p> + Column number (count starts at 1 for user-defined columns), or + <code class="symbol">SPI_ERROR_NOATTRIBUTE</code> if the named column was not + found. + </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="spi-spi-fname.html" title="SPI_fname">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="spi-interface-support.html" title="47.2. Interface Support Functions">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="spi-spi-getvalue.html" title="SPI_getvalue">Next</a></td></tr><tr><td width="40%" align="left" valign="top">SPI_fname </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_getvalue</td></tr></table></div></body></html>
\ No newline at end of file |