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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
| commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
| tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /doc/src/sgml/html/spi-spi-freetupletable.html | |
| parent | Initial commit. (diff) | |
| download | postgresql-14-upstream.tar.xz postgresql-14-upstream.zip | |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | doc/src/sgml/html/spi-spi-freetupletable.html | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/src/sgml/html/spi-spi-freetupletable.html b/doc/src/sgml/html/spi-spi-freetupletable.html new file mode 100644 index 0000000..1bd5e53 --- /dev/null +++ b/doc/src/sgml/html/spi-spi-freetupletable.html @@ -0,0 +1,26 @@ +<?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_freetuptable</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-freetuple.html" title="SPI_freetuple" /><link rel="next" href="spi-spi-freeplan.html" title="SPI_freeplan" /></head><body id="docContent" class="container-fluid col-10"><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">SPI_freetuptable</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="spi-spi-freetuple.html" title="SPI_freetuple">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="spi-memory.html" title="47.3. Memory Management">Up</a></td><th width="60%" align="center">47.3. Memory Management</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 14.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="spi-spi-freeplan.html" title="SPI_freeplan">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="SPI-SPI-FREETUPLETABLE"><div class="titlepage"></div><a id="id-1.8.12.10.13.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">SPI_freetuptable</span></h2><p>SPI_freetuptable — free a row set created by <code class="function">SPI_execute</code> or a similar + function</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis"> +void SPI_freetuptable(SPITupleTable * <em class="parameter"><code>tuptable</code></em>) +</pre></div><div class="refsect1" id="id-1.8.12.10.13.5"><h2>Description</h2><p> + <code class="function">SPI_freetuptable</code> frees a row set created by a + prior SPI command execution function, such as + <code class="function">SPI_execute</code>. Therefore, this function is often called + with the global variable <code class="varname">SPI_tuptable</code> as + argument. + </p><p> + This function is useful if an SPI-using C function needs to execute + multiple commands and does not want to keep the results of earlier + commands around until it ends. Note that any unfreed row sets will + be freed anyway at <code class="function">SPI_finish</code>. + Also, if a subtransaction is started and then aborted within execution + of an SPI-using C function, SPI automatically frees any row sets created while + the subtransaction was running. + </p><p> + Beginning in <span class="productname">PostgreSQL</span> 9.3, + <code class="function">SPI_freetuptable</code> contains guard logic to protect + against duplicate deletion requests for the same row set. In previous + releases, duplicate deletions would lead to crashes. + </p></div><div class="refsect1" id="id-1.8.12.10.13.6"><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">SPITupleTable * <em class="parameter"><code>tuptable</code></em></code></span></dt><dd><p> + pointer to row set to free, or NULL to do nothing + </p></dd></dl></div></div></div><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="spi-spi-freetuple.html" title="SPI_freetuple">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="spi-memory.html" title="47.3. Memory Management">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="spi-spi-freeplan.html" title="SPI_freeplan">Next</a></td></tr><tr><td width="40%" align="left" valign="top">SPI_freetuple </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 14.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> SPI_freeplan</td></tr></table></div></body></html>
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