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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_0000001188642136"></a><a name="EN-US_TOPIC_0000001188642136"></a>
<h1 class="topictitle1">PG_REDACTION_COLUMN</h1>
<div id="body1579505399912"><p id="EN-US_TOPIC_0000001188642136__p103101797333"><strong id="EN-US_TOPIC_0000001188642136__b10621141124918">PG_REDACTION_COLUMN</strong> records the information about the masked columns.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001188642136__table8837113313338" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_REDACTION_COLUMN columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001188642136__row78378338337"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001188642136__a3747e02f89ea41c4af8f0f79c9b76f3a">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001188642136__ae20f1787aa68429d81a78d33bad2f6ec">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001188642136__a69e8f283a2594152bd616dea04b60bb7">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001188642136__row68381233153310"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p14838113343312">object_oid</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p148381335338">oid</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p8839033143311">OID of the object to be masked</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row3839113373316"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p10839203383310">column_attrno</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p483983315333">smallint</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p88391033193312"><strong id="EN-US_TOPIC_0000001188642136__b0789047115016">attrno</strong> of the masked column</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row0839183319332"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p10839163311338">function_type</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p1783983312331">integer</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p1284083315339">Masking type</p>
<div class="note" id="EN-US_TOPIC_0000001188642136__note10761172916719"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001188642136__p73918128284">This column is reserved. It is used only for forward compatibility of masked column information in earlier versions. The value can be <strong id="EN-US_TOPIC_0000001188642136__b1571911417211">0</strong> (NONE) or <strong id="EN-US_TOPIC_0000001188642136__b19451044192113">1</strong> (FULL).</p>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row7840193314338"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p284053333315">function_parameters</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p9840333103316">text</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p584083314335">Parameters used when the masking type is <strong id="EN-US_TOPIC_0000001188642136__b8329940102814">partial</strong> (reserved).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row11836145419316"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p118374541131">regexp_pattern</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p683815541310">text</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p883820541532">Pattern string when the masking type is <strong id="EN-US_TOPIC_0000001188642136__b1284320319312">regexp</strong> (reserved).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row2945209414"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p89461700417">regexp_replace_string</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p11946901347">text</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p209461801642">Replacement string when the masking type is <strong id="EN-US_TOPIC_0000001188642136__b178479418326">regexp</strong> (reserved).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row1458915146420"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p1259018145415">regexp_position</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p11590201411411">integer</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p15590314944">Start and end replacement positions when the masking type is <strong id="EN-US_TOPIC_0000001188642136__b19513534133215">regexp</strong> (reserved).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row2513181413178"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p65141214171717">regexp_occurrence</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p115157146179">integer</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p135155148170">Replacement times when the masking type is <strong id="EN-US_TOPIC_0000001188642136__b165501205333">regexp</strong> (reserved).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row1080791910175"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p118083195172">regexp_match_parameter</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p13809131911171">text</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p980941911719">Regular control parameter used when the masking type is <strong id="EN-US_TOPIC_0000001188642136__b2252112933319">regexp</strong> (reserved).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row139621523181710"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p11962142312179">column_description</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p796310233173">text</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p13963122351710">Description of the masked column</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row147141050162617"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p207141650142611">function_expr</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p207141350112612">pg_node_tree</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p107143504267">Internal representation of the masking function.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188642136__row126221130154218"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642136__p16622430204216">inherited</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642136__p186221930164219">bool</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642136__p36221430144219">Whether a masked column is inherited from another masked column.</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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