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Lu, Huayi ef0ada5a59 DWS DEV 20240716 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>
2024-11-02 09:07:47 +00:00

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<a name="EN-US_TOPIC_0000001460562928"></a><a name="EN-US_TOPIC_0000001460562928"></a>
<h1 class="topictitle1">PG_FINE_DR_INFO</h1>
<div id="body0000001444044378"><p id="EN-US_TOPIC_0000001460562928__a9962b27e2fc84a48b38d32c00a127a90">The <strong id="EN-US_TOPIC_0000001460562928__b06221741195310">PG_FINE_DR_INFO</strong> system catalog records the replay status of the fine-grained DR standby table. This system catalog is supported only by clusters of version 8.2.0.100 or later.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001460562928__tb965cc87b0dc44399f721d49e210493f" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_FINE_DR_INFO columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001460562928__re08f91151a354ce4acff685202bf70ca"><th align="left" class="cellrowborder" valign="top" width="21.25%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001460562928__ad127f1a13a0d42b59fc0e38c907d8678">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25.009999999999998%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001460562928__acc9dbda81a5a4887ad1428a23609b071">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="53.74%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001460562928__a56a0943123d34f6893ecec6445f97698">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001460562928__row068143410404"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__p12687346403">oid</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__p2068153416401">oid</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__p1168334204014">Row identifier (hidden attribute; displayed only when explicitly selected)</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001460562928__rce4a6c797bd94257a6b74668256cc71f"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__a85c6b29f9b504df48ba07e652d3ef766">relid</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__a119631c136564cf3a304073606405603">oid</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__a8174755740be4377abdf2ad876e9e9b3">OID of the standby fine-grained DR table</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001460562928__r798a943eed6142e08bcdc790c35dabe1"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__acc4db4ec29df4bea8e214d6076273332">lastcsn</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__a8b8ce021476e42aaaf02a6ee0df2a906">xid</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__aff3de9f1fa9b4d3082c1dd5e3a499a3c">CSN of the last successful playback</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001460562928__rcf6a28f61b6d453ea1c76315c0a01fd9"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__ad2478e33cb0141a08449eaa532a563cd">lastxmin</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__a11d570915d9c4ae9b52d3a5d6b6c6798">xid</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__a9b82132ddc6948b9bbabb6f5385279f7">xmin of the last successful playback</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001460562928__r857823694db04b2e9ed70d4cffec7e78"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__a5255a786d82346fcb9c199181ef9ef21">lastxmax</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__a2579007f8249462a85cf8cac59a1ac30">xid</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__affa41a7e54ac4e63844dfc16830f8dea">xmax of the last successful playback</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001460562928__rab6633e50dc1439e80b475e0e19ca0ff"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__a31a10c2cf77b45f18db9e9bd9d2679b7">laststarttime</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__a912457afb0de4406b809cf1c2524ca39">timestamp with time zone</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__a13ab4107ec4c4b27b4b7b9f924bb0f60">Start time of the last successful playback</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001460562928__rf5afd6e77bd34769a9d6e554be07edd4"><td class="cellrowborder" valign="top" width="21.25%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001460562928__a5c4ed3548c884d5e80db49c667e90708">lastendtime</p>
</td>
<td class="cellrowborder" valign="top" width="25.009999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001460562928__a095bb588a01841dc93bc5a5a9f3b672d">timestamp with time zone</p>
</td>
<td class="cellrowborder" valign="top" width="53.74%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001460562928__a4bc961c08a8b40f389299870d6fcb1f1">End time of the last successful playback</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="EN-US_TOPIC_0000001460562928__section1047616353919"><h4 class="sectiontitle">Examples</h4><p id="EN-US_TOPIC_0000001460562928__p18128822671">Check the playback status of the standby table in the DR cluster.</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001460562928__screen157185558816"><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_fine_dr_info</span><span class="p">;</span>
<span class="w"> </span><span class="n">relid</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">lastcsn</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">lastxmin</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">lastxmax</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">laststarttime</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">lastendtime</span>
<span class="c1">-------+---------+----------+----------+-------------------------------+-------------------------------</span>
<span class="w"> </span><span class="mi">21132</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1251610</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1251609</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1251611</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2023</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">04</span><span class="w"> </span><span class="mi">20</span><span class="p">:</span><span class="mi">51</span><span class="p">:</span><span class="mi">58</span><span class="p">.</span><span class="mi">375136</span><span class="o">+</span><span class="mi">08</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2023</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">04</span><span class="w"> </span><span class="mi">20</span><span class="p">:</span><span class="mi">51</span><span class="p">:</span><span class="mi">58</span><span class="p">.</span><span class="mi">393986</span><span class="o">+</span><span class="mi">08</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_0561.html">System Catalogs</a></div>
</div>
</div>
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