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Lu, Huayi e6fa411af0 DWS DEV 830.201 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:24:04 +00:00

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<a name="EN-US_TOPIC_0000001233563163"></a><a name="EN-US_TOPIC_0000001233563163"></a>
<h1 class="topictitle1">PG_TDE_INFO</h1>
<div id="body1563807458650"><p id="EN-US_TOPIC_0000001233563163__en-us_topic_0059777983_p206174214616"><strong id="EN-US_TOPIC_0000001233563163__b8732142214566">PG_TDE_INFO</strong> displays the encryption information about the current cluster.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001233563163__t20f9f83024934077b07edaf962d8a961" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_TDE_INFO columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001233563163__rf02622c63433413ba7d29808b00cd659"><th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001233563163__acdd47762a99544ae8d05a97347c96e1a">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="21.95%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001233563163__ae49398954b05490a98b8864949861798">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="56.05%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001233563163__ac7bc3b22ba0b43b39cba5b48e558d738">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001233563163__r7f025f1173464500811e4d2dd6aa6480"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233563163__p17268211111214">is_encrypt</p>
</td>
<td class="cellrowborder" valign="top" width="21.95%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233563163__a0fef7e2e4c9e46fa93f417d1ffc73770">text</p>
</td>
<td class="cellrowborder" valign="top" width="56.05%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233563163__p59817523229">Whether the cluster is an encryption cluster</p>
<ul id="EN-US_TOPIC_0000001233563163__ul029852152319"><li id="EN-US_TOPIC_0000001233563163__li18298122112310"><strong id="EN-US_TOPIC_0000001233563163__b3162131135811">f</strong>: Non-encryption cluster</li><li id="EN-US_TOPIC_0000001233563163__li2298821234"><strong id="EN-US_TOPIC_0000001233563163__b1235719343583">t</strong>: Encryption cluster</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233563163__re565e5b0abbf4ef1a4051a2ddd5dffef"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233563163__ad2bf9374341444f780b778b6b210825f">g_tde_algo</p>
</td>
<td class="cellrowborder" valign="top" width="21.95%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233563163__a86e2eb1889c545268bb4ff33e3a6f22a">text</p>
</td>
<td class="cellrowborder" valign="top" width="56.05%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233563163__p0171183942310">Encryption algorithm</p>
<ul id="EN-US_TOPIC_0000001233563163__ul5602184782317"><li id="EN-US_TOPIC_0000001233563163__li17602204711237">SM4-CTR-128</li><li id="EN-US_TOPIC_0000001233563163__li96021147142310">AES-CTR-128</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233563163__r6cf0c8b8a2724f32b58e505c5eaf8252"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233563163__aed3b199ff7664c3689fa81c4d71af7a9">remain</p>
</td>
<td class="cellrowborder" valign="top" width="21.95%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233563163__a4d9e988e25444b4881b869ce112d3348">text</p>
</td>
<td class="cellrowborder" valign="top" width="56.05%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233563163__a9ede143d18734f159cb8087e56b3b290">Reserved columns</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="EN-US_TOPIC_0000001233563163__section1407050297"><h4 class="sectiontitle">Examples</h4><p id="EN-US_TOPIC_0000001233563163__p198210125296">Check whether the current cluster is encrypted, and check the encryption algorithm (if any) used by the current cluster.</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233563163__screen1290724183215"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</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">PG_TDE_INFO</span><span class="p">;</span>
<span class="w"> </span><span class="n">is_encrypt</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">g_tde_algo</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">remain</span>
<span class="c1">------------+-------------+--------</span>
<span class="w"> </span><span class="n">f</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">AES</span><span class="o">-</span><span class="n">CTR</span><span class="o">-</span><span class="mi">128</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">remain</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0639.html">System Views</a></div>
</div>
</div>
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