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luhuayi
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: luhuayi <luhuayi@huawei.com> Co-committed-by: luhuayi <luhuayi@huawei.com>
28 lines
2.9 KiB
HTML
28 lines
2.9 KiB
HTML
<a name="EN-US_TOPIC_0000001764516198"></a><a name="EN-US_TOPIC_0000001764516198"></a>
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<h1 class="topictitle1">Lock Information Function</h1>
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<div id="body0000001453523440"><div class="section" id="EN-US_TOPIC_0000001764516198__section17700152911111"><h4 class="sectiontitle">pgxc_get_lock_conflicts()</h4><p id="EN-US_TOPIC_0000001764516198__p17700162911110">Description: Obtains information about conflicting locks in the cluster. When a lock is waiting for another lock or another lock is waiting for it, a lock conflict occurs.</p>
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<p id="EN-US_TOPIC_0000001764516198__p1970032916111">Return type: SETOF record</p>
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<p id="EN-US_TOPIC_0000001764516198__p390085961514">Example:</p>
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<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001764516198__screen35914532203"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
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<span class="normal">2</span>
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<span class="normal">3</span>
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<span class="normal">4</span>
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<span class="normal">5</span>
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<span class="normal">6</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">from</span><span class="w"> </span><span class="n">pgxc_get_lock_conflicts</span><span class="p">();</span>
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<span class="w"> </span><span class="n">pgxc_get_lock_conflicts</span>
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<span class="c1">-----------------------------------------------------------------------------------------------------------------</span>
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<span class="w"> </span><span class="p">(</span><span class="n">relation</span><span class="p">,</span><span class="n">cn_5001</span><span class="p">,</span><span class="n">gaussdb</span><span class="p">,</span><span class="n">u1</span><span class="p">,</span><span class="n">test</span><span class="p">,,,,,</span><span class="n">omm</span><span class="p">,</span><span class="mi">648406</span><span class="p">,,,</span><span class="ss">"<insufficient privilege>"</span><span class="p">,</span><span class="mi">140651661784832</span><span class="p">,</span><span class="n">ExclusiveLock</span><span class="p">,</span><span class="n">f</span><span class="p">,</span><span class="mi">2024</span><span class="o">-</span><span class="mi">10</span><span class="o">-</span><span class="mi">29</span><span class="w"> </span><span class="mi">17</span><span class="p">:</span><span class="mi">24</span><span class="p">:</span><span class="mi">13</span><span class="p">.</span><span class="mi">425672</span><span class="o">+</span><span class="mi">08</span><span class="p">,)</span>
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<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span>
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</pre></div></td></tr></table></div>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_06_0051.html">System Information Functions</a></div>
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</div>
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</div>
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