forked from docs/doc-exports
Lu, Huayi
a24ca60074
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>
15 lines
4.7 KiB
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15 lines
4.7 KiB
HTML
<a name="EN-US_TOPIC_0000001145864621"></a><a name="EN-US_TOPIC_0000001145864621"></a>
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<h1 class="topictitle1">PostgreSQL Features Unsupported by GaussDB(DWS)</h1>
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<div id="body8662426"><ul id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_ul869073391717"><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li16611725132411">Table inheritance</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li586543310012">Table creation features:<ul id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_ul116012037315"><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li164988215566">Use <strong id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_b5564551151615">REFERENCES reftable [ (refcolumn) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON UPDATE action ]</strong> to create a foreign key constraint for a table.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li242011715565">Use <strong id="EN-US_TOPIC_0000001145864621__b14522142282610">EXCLUDE [ USING index_method ] ( exclude_element WITH operator [, ... ] )</strong> to create exclusion constraints for a table.</li></ul>
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</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li1865181515586">Define or change the security tag of an object.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li187514420467">User-defined C functions</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li1778942216367">Create, modify, and delete operators.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li13212143311377">Create, modify, and delete operator classes.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li1579024715572">Create, modify, and delete operator families.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li188688101275">Create, modify, and delete text search parsers.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li103716525917">Create, modify, and delete text search templates.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li17779174415109">Create, modify, and delete collations.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li13466630192015">Create and delete rules.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li1101016194213">Register, modify, and delete languages.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li147051421114314">Create, modify, and delete domains.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li45013122458">Define, modify, and delete the conversion of character set encoding.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li127961455466">Define and delete casts.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li4564110115117">Define, modify, and delete user mapping.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li4635151883820">Generate a notification.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li674513520387">Listen to a notification.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li7697633392">Stop listening to a notification.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li119631972396">Load or reload a shared library file.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li473185812386">Release the session resources of a database.</li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li20703174518416">Move a cursor backward.</li></ul>
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<div class="p" id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_p18365123103113">The following features are disabled in GaussDB(DWS) for separation of rights:<ul id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_ul1449053013318"><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li19490730103114"><strong id="EN-US_TOPIC_0000001145864621__b13523181085317">TO PUBLIC</strong> of <strong id="EN-US_TOPIC_0000001145864621__b1752491075318">GRANT</strong></li><li id="EN-US_TOPIC_0000001145864621__en-us_topic_0000001145651061_li399155116318"><strong id="EN-US_TOPIC_0000001145864621__b1385905072512">COPY FROM FILE</strong> and <strong id="EN-US_TOPIC_0000001145864621__b7211553162515">COPY TO FILE</strong> of <strong id="EN-US_TOPIC_0000001145864621__b3328165718259">COPY</strong></li></ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_06_0002.html">Differences Between GaussDB(DWS) and PostgreSQL</a></div>
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