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Lu, Huayi a24ca60074 DWS DEVELOPER 811 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2023-01-19 13:37:49 +00:00

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<a name="EN-US_TOPIC_0000001145494739"></a><a name="EN-US_TOPIC_0000001145494739"></a>
<h1 class="topictitle1">PG_OBSSCANINFO</h1>
<div id="body1524194412305"><p id="EN-US_TOPIC_0000001145494739__a66effb5aef4c4c9789bd21a1378672a4"><strong id="EN-US_TOPIC_0000001145494739__b7381021124314">PG_OBSSCANINFO</strong> defines the OBS runtime information scanned in cluster acceleration scenarios. Each record corresponds to a piece of runtime information of a foreign table on OBS in a query.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001145494739__t97e86c71ff434f1cbb056b0cd0362ca2" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_OBSSCANINFO columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001145494739__r3a7b84416e994d53b65b25b6ac6611fe"><th align="left" class="cellrowborder" valign="top" width="18.18%" id="mcps1.3.2.2.5.1.1"><p id="EN-US_TOPIC_0000001145494739__ac941cf9891234f95b660c71a1dc0f89a">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="18.18%" id="mcps1.3.2.2.5.1.2"><p id="EN-US_TOPIC_0000001145494739__a5e04656b6ade4176961cd4d94faa5599">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="13.639999999999999%" id="mcps1.3.2.2.5.1.3"><p id="EN-US_TOPIC_0000001145494739__a001ee66d95b34348ae697bea4e6afb1c">Reference</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.2.2.5.1.4"><p id="EN-US_TOPIC_0000001145494739__a098600db539641f1be1f938b9aeb5b80">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001145494739__r876f11c41ed84a8d9b67881782e61ef5"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__a54e0db2b53a64aabbff4b0eff7c4a3d5">query_id</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__ad95b25a1c3c04df88719cab8f2877e79">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__abe9614fe52934f63a6c3972febc8d475">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p74501851204017">Query ID</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__r3f0f1597d1a64600a803cb3bf00084c4"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__a5ea57cdb280b42439625f5282505b488">user_id</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__a858c2b3d98d745fa85ce088b5bb07cef">text</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__p96132274013">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p34491451184016">Database user who performs queries</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__rd50a4a7fd2794d6fa36b4f02a7329add"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__ac1f79a78acf94e0fadc7a70ff83bc315">table_name</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__aa0b6debe59764a4eba168dd982a9f545">text</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__a4cb205867eef4b66b4af3e51a46974ac">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p344911511406">Name of a foreign table on OBS</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__rda59ccf0a9fb46499001b31d37fade83"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__aeb49f19f8a5045c5ab6c3a7fcf870187">file_type</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__acdf11d1450ba46a78549188343017f3a">text</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__p7761132494019">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p1344745184017">Format of files storing the underlying data</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__r72261a56c1384b9ea3f56ee2859ffa78"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__a88f30fdfe5eb48348aa0a87107d905ef">time_stamp</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__a778bb871e6af4bd0aed5486499f8c1d9">time_stam</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__p1350242664011">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p2044525119407">Scanning start time</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__r86be06ffdf804f51b99abb98004f4b11"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__aa2703378c188463888b712902182a159">actual_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__a22a7013910ff411ab7f435861a339161">double</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__p19605027164014">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p1444165117409">Scanning execution time, in seconds</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__r39d0ec563dc44ab0a0ab052f5a239456"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__a9493a1838667459cb5ec05be35a896ce">file_scanned</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__a1c77c951b64d446e896ede3651e64448">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__p9430172994015">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p15442195119403">Number of files scanned</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__r5a72a8ce0b4d431288de4e1abe396099"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__a559f0ac3d4114eb4b5549735d0438fc9">data_size</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__p172961154018">double</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__ae0ac63db86314971913ecb10c92fdca4">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p4441155120407">Size of data scanned, in bytes</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001145494739__rcf5308e4c7bf4e178b5ddf3cfe3415f4"><td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001145494739__a90b0c5dfee1949f2a46d0ec10ae78267">billing_info</p>
</td>
<td class="cellrowborder" valign="top" width="18.18%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001145494739__a217c245ca7a045a5a48b214a2a74eb7e">text</p>
</td>
<td class="cellrowborder" valign="top" width="13.639999999999999%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001145494739__p413623115401">-</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001145494739__p244085110406">Reserved columns</p>
</td>
</tr>
</tbody>
</table>
</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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