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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>
66 lines
5.2 KiB
HTML
66 lines
5.2 KiB
HTML
<a name="EN-US_TOPIC_0000001764491344"></a><a name="EN-US_TOPIC_0000001764491344"></a>
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<h1 class="topictitle1">PG_ATTRDEF</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001764491344__en-us_topic_0059778317_p134813151309"><strong id="EN-US_TOPIC_0000001764491344__b1156832102413">PG_ATTRDEF</strong> stores default values of columns.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001764491344__tc898e2a58c8b4326ab20f50475bd1e3e" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_ATTRDEF columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001764491344__r7f11506ce17a40bfa69ed18848585817"><th align="left" class="cellrowborder" valign="top" width="22.57%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001764491344__a4f4b166349d24533966c8e8f497e3d85"><strong id="EN-US_TOPIC_0000001764491344__b14869442174349">Column</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="24.81%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001764491344__a92f590c7bda24452a07b5f615971c18c">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="52.62%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001764491344__af58a6c07db8647c1a79e08458dfffaff">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0000001764491344__r9307bd2be73d4b9d920aec59c5a679cf"><td class="cellrowborder" valign="top" width="22.57%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491344__a222ec7343e8b423b852d8db4973400d1">adrelid</p>
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</td>
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<td class="cellrowborder" valign="top" width="24.81%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491344__ad38bc0e6fb8c43e08a3bb19e2a3ff23d">OID</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.62%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491344__a8d61c8462eaa49e9ad3079f41c2da6cf">Table to which the column belongs</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001764491344__rc42b6c59dd004808a9216e8438404d2b"><td class="cellrowborder" valign="top" width="22.57%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491344__a09c28ec50577495e819c987f102cb7e8">adnum</p>
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</td>
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<td class="cellrowborder" valign="top" width="24.81%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491344__a8cf55caf17fd4bbea505335f32967f5e">Smallint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.62%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491344__ad6607a906b9644239df389ac14d270f3">Column No.</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001764491344__ra96ee1873e29497db067b9e49305f49a"><td class="cellrowborder" valign="top" width="22.57%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491344__a1fc1a3f736924f46b0eb6bddd076e0d6">adbin</p>
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</td>
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<td class="cellrowborder" valign="top" width="24.81%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491344__a59ebad60216c4eccb9f055f9117a0142">pg_node_tree</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.62%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491344__a6338d84b32a04eea804b6ba49401fd32">Internal representation of the column's default value</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001764491344__r1eceff99a5b84cfeb4109ce3f6c99c61"><td class="cellrowborder" valign="top" width="22.57%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491344__ad25ca4dce7da4591b981eeb237bbd341">adsrc</p>
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</td>
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<td class="cellrowborder" valign="top" width="24.81%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491344__a8afee2078a6b49a9ae146d0f5e1a19e7">Text</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.62%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491344__add717e19f0f34ce882ec2b7bf9e56029">Internal representation of the human-readable default value</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001764491344__row6624915152114"><td class="cellrowborder" valign="top" width="22.57%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491344__p26259154214">adbin_on_update</p>
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</td>
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<td class="cellrowborder" valign="top" width="24.81%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491344__p86259158214">pg_node_tree</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.62%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491344__p86259154217">Internal representation of the value of <strong id="EN-US_TOPIC_0000001764491344__b6172151618293">on_update_expr</strong></p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001764491344__row2643112112216"><td class="cellrowborder" valign="top" width="22.57%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491344__p7643102172213">adsrc_on_update</p>
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</td>
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<td class="cellrowborder" valign="top" width="24.81%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491344__p15643142172220">Text</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.62%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491344__p564313272215">Internal representation of the human-readable value of <strong id="EN-US_TOPIC_0000001764491344__b5626182718295">on_update_expr</strong></p>
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</td>
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</tr>
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</tbody>
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</table>
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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_04_0561.html">System Catalogs</a></div>
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</div>
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</div>
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