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luhuayi
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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>
16 lines
1.6 KiB
HTML
16 lines
1.6 KiB
HTML
<a name="EN-US_TOPIC_0000001764491284"></a><a name="EN-US_TOPIC_0000001764491284"></a>
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<h1 class="topictitle1">Prerequisites</h1>
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<div id="body1524796389552"><p id="EN-US_TOPIC_0000001764491284__p168620462426">If the connection pool mechanism is used during application development, comply with the following specifications:</p>
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<ul id="EN-US_TOPIC_0000001764491284__ul319815399488"><li id="EN-US_TOPIC_0000001764491284__li319853920486">If GUC parameters are set in the connection, before you return the connection to the connection pool, run <strong id="EN-US_TOPIC_0000001764491284__b84235270618227">SET SESSION AUTHORIZATION DEFAULT;RESET ALL;</strong> to clear the connection status.</li><li id="EN-US_TOPIC_0000001764491284__li7553164720488">If a temporary table is used, delete it before you return the connection to the connection pool.</li></ul>
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<p id="EN-US_TOPIC_0000001764491284__p1686746104213">If you do not do so, the status of connections in the connection pool will remain, which affects subsequent operations using the connection pool.</p>
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<div class="section" id="EN-US_TOPIC_0000001764491284__section1525135874516"><h4 class="sectiontitle">Downloading Drivers</h4><p id="EN-US_TOPIC_0000001764491284__en-us_topic_0000001099130898_p4451066501">For details, see "Downloading the JDBC or ODBC Driver" in the <em id="EN-US_TOPIC_0000001764491284__i16452457151814">Data Warehouse Service (DWS) User Guide</em>.</p>
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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_0085.html">Using JDBC or ODBC for GaussDB(DWS) Secondary Development</a></div>
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</div>
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</div>
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