vpruthi/doc-exports
1
0
Fork 0
forked from docs/doc-exports
Code Pull Requests Activity
doc-exports/docs/dws/dev/dws_06_0138.html
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

103 lines
23 KiB
HTML
Raw Blame History

<a name="EN-US_TOPIC_0000001233510085"></a><a name="EN-US_TOPIC_0000001233510085"></a>
<h1 class="topictitle1">ALTER SERVER</h1>
<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001233510085__sdaa70d77cde1429bbf4090cfb4003d11"><h4 class="sectiontitle">Function</h4><p id="EN-US_TOPIC_0000001233510085__p18682173891012">Adds, modifies, and deletes the definition of a foreign server.</p>
<p id="EN-US_TOPIC_0000001233510085__a633998e22cee4b73b8d291a66f8fa3ac">Existing foreign servers can be queried from the <strong id="EN-US_TOPIC_0000001233510085__b1886533151315">pg_foreign_server</strong> system catalog.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510085__s6c715ecfa1fe4c3bb2a8a763c72b304e"><h4 class="sectiontitle">Precautions</h4><p id="EN-US_TOPIC_0000001233510085__p125531940113920">Only the owner of a server or a system administrator can run this statement.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510085__s40da3dccf89d4bc6880a232426dd74f7"><h4 class="sectiontitle">Syntax</h4><ul id="EN-US_TOPIC_0000001233510085__u78f7b49531364301bfff1dc3e46878aa"><li id="EN-US_TOPIC_0000001233510085__l74b7826de2ce42669dcb4c64a3f9a431">Change the parameters for an external server.</li></ul>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__se132f4f07e354c5bbcd1360cf246b226"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="k">server_name</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">VERSION</span><span class="w"> </span><span class="s1">'new_version'</span><span class="w"> </span><span class="p">]</span>
<span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">OPTIONS</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="err">{</span><span class="p">[</span><span class="w"> </span><span class="k">ADD</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="k">DROP</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="k">option</span><span class="w"> </span><span class="p">[</span><span class="s1">'value'</span><span class="p">]</span><span class="err">}</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">];</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001233510085__p18399183164917">In <strong id="EN-US_TOPIC_0000001233510085__b842352706164531">OPTIONS</strong>, <strong id="EN-US_TOPIC_0000001233510085__b1939011184330">ADD</strong>, <strong id="EN-US_TOPIC_0000001233510085__b1576171912332">SET</strong>, and <strong id="EN-US_TOPIC_0000001233510085__b4532152216332">DROP</strong> are operations to be executed. If these operations are not specified, <strong id="EN-US_TOPIC_0000001233510085__b12218336331">ADD</strong> operations will be performed by default. <strong id="EN-US_TOPIC_0000001233510085__b842352706165739">option</strong> and <strong id="EN-US_TOPIC_0000001233510085__b842352706165742">value</strong> are corresponding operation parameters.</p>
<p id="EN-US_TOPIC_0000001233510085__p172521486503">Currently, only <strong id="EN-US_TOPIC_0000001233510085__b1511362073613">SET</strong> is supported on an HDFS server. <strong id="EN-US_TOPIC_0000001233510085__b1811319208368">ADD</strong> and <strong id="EN-US_TOPIC_0000001233510085__b12115102023612">DROP</strong> are not supported. The syntax for SET and DROP operations is retained for later use.</p>
<ul id="EN-US_TOPIC_0000001233510085__u2ef47bfdf6f543b8a60cf548f091b858"><li id="EN-US_TOPIC_0000001233510085__le52d417fb28d4f12957e22bc1068ede0">Change the owner of an external server.</li></ul>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__sa893e8c3e2374af18586fa3bba6c5ff3"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="k">server_name</span><span class="w"> </span>
<span class="w"> </span><span class="k">OWNER</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="n">new_owner</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<ul id="EN-US_TOPIC_0000001233510085__u9c94062a6c6745278717330fb88e4c2a"><li id="EN-US_TOPIC_0000001233510085__l2a43f3a4dbee4129a8c23b834afcdf51">Change the name of an external server.</li></ul>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__screen36021438102815"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="k">server_name</span><span class="w"> </span>
<span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="n">new_name</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<ul id="EN-US_TOPIC_0000001233510085__ul676294745017"><li id="EN-US_TOPIC_0000001233510085__li3762184745016">Refresh the HDFS configuration file.</li></ul>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__sc37a8f9a4f70432d9de295f7390b1065"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="k">server_name</span><span class="w"> </span><span class="n">REFRESH</span><span class="w"> </span><span class="k">OPTIONS</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510085__s1b8152f180bd4017887a4144e5627a55"><h4 class="sectiontitle">Parameter Description</h4><ul id="EN-US_TOPIC_0000001233510085__u7d156a1b2ed64f3090a90979db63878e"><li id="EN-US_TOPIC_0000001233510085__ldfeb3e6b07ad44048814c08cd972ceee"><strong id="EN-US_TOPIC_0000001233510085__a55326a1b934a44fb8de8879c7998a745">server_name</strong><p id="EN-US_TOPIC_0000001233510085__ad9c0c4ddfd9e4b3aac9d139dfffaa523">Specifies the name of the server to be modified.</p>
</li><li id="EN-US_TOPIC_0000001233510085__ld0357592e80549399033c88b68fdd6ee"><strong id="EN-US_TOPIC_0000001233510085__ad4593321425b4cb4ab881d28ce7b229b">new_version</strong><p id="EN-US_TOPIC_0000001233510085__a697b7f0829524a97bb40e6128c424edf">Indicates the new version of the server.</p>
</li><li id="EN-US_TOPIC_0000001233510085__lcfbcd71cab834731817b9d253acbdc84"><strong id="EN-US_TOPIC_0000001233510085__b17489143181319">OPTIONS:</strong><ul id="EN-US_TOPIC_0000001233510085__u783735c1504e45b0ac1376a58843c652"><li id="EN-US_TOPIC_0000001233510085__lc43d379435d34041b58b38928e8c6f9d">address<p id="EN-US_TOPIC_0000001233510085__p186181017165115"><a name="EN-US_TOPIC_0000001233510085__lc43d379435d34041b58b38928e8c6f9d"></a><a name="lc43d379435d34041b58b38928e8c6f9d"></a>Specifies the endpoint of the OBS service.</p>
<p id="EN-US_TOPIC_0000001233510085__a3645c5e0810a4e1ab3392175d2f24980">Specifies the IP address and port number of the primary and standby nodes of the HDFS cluster.</p>
<div class="note" id="EN-US_TOPIC_0000001233510085__n103b48ea77494d88b71444923ff0f1ec"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001233510085__u187b5c6e07604803899272480284da27"><li id="EN-US_TOPIC_0000001233510085__l090a6b4e989944118698f32878d537d1"><strong id="EN-US_TOPIC_0000001233510085__b10123133512310">address</strong> is mandatory for HDFS servers. Therefore, <strong id="EN-US_TOPIC_0000001233510085__b31795010327">ADD</strong> and <strong id="EN-US_TOPIC_0000001233510085__b748835113214">DROP</strong> operations are not supported.</li><li id="EN-US_TOPIC_0000001233510085__le2a6e1ea74f74c4abc037e50e09a829c"><strong id="EN-US_TOPIC_0000001233510085__b12999163817319">address</strong> only supports IPv4 addresses in dot-decimal notation, and an address string cannot contain spaces. Groups of addresses are separated by commas (,). An IP address and a port number are separated by a colon (:). You are advised to configure two IP address and port pairs in an HDFS cluster. One is used as the socket address of the primary HDFS NameNode and another is used as that of the secondary HDFS NameNode.</li><li id="EN-US_TOPIC_0000001233510085__li4118450105114">If the server type is DLI, the address is the OBS address stored on DLI.</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000001233510085__l9be0383a7184423caaac7d380c34d785">hdfscfgpath<p id="EN-US_TOPIC_0000001233510085__af0219076b8b949d19b90024dd561c137"><a name="EN-US_TOPIC_0000001233510085__l9be0383a7184423caaac7d380c34d785"></a><a name="l9be0383a7184423caaac7d380c34d785"></a>Specifies the HDFS cluster configuration file.</p>
<div class="note" id="EN-US_TOPIC_0000001233510085__n177965a448654e17903bdba29ac44b4c"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001233510085__u6e76b4b979f04093bbbf5c1f32421905"><li id="EN-US_TOPIC_0000001233510085__l43f34266817543ee86044578b8a49827">If HDFS is in security mode, <strong id="EN-US_TOPIC_0000001233510085__b842352706211942">hdfscfgpath</strong> is mandatory.</li><li id="EN-US_TOPIC_0000001233510085__l1c8afe238def4f42b145decee381f70c">If you set <strong id="EN-US_TOPIC_0000001233510085__b842352706211958">hdfscfgpath</strong>, you can only set one value for <strong id="EN-US_TOPIC_0000001233510085__b84235270621209">path</strong>.</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000001233510085__li19851134775718">fed<p id="EN-US_TOPIC_0000001233510085__p972361513120"><a name="EN-US_TOPIC_0000001233510085__li19851134775718"></a><a name="li19851134775718"></a>Indicates that <strong id="EN-US_TOPIC_0000001233510085__b199611401132">dfs_fdw</strong> is connected to HDFS in federation mode.</p>
<p id="EN-US_TOPIC_0000001233510085__p10851164715719">The value <strong id="EN-US_TOPIC_0000001233510085__b1680717460315">rbf</strong> indicates that HDFS uses the Router-based Federation (RBF) mode.</p>
<div class="note" id="EN-US_TOPIC_0000001233510085__note138511821123111"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001233510085__p1886129163117">This parameter is supported in 8.1.2 or later. In 8.0.0, this parameter is supported only in 8.0.0.10 or later.</p>
</div></div>
</li><li id="EN-US_TOPIC_0000001233510085__l33e7f685f0a34737845f588bd2f2cfbb">encrypt<p id="EN-US_TOPIC_0000001233510085__a121cea7ced384e8280f901b3bf64d2cc"><a name="EN-US_TOPIC_0000001233510085__l33e7f685f0a34737845f588bd2f2cfbb"></a><a name="l33e7f685f0a34737845f588bd2f2cfbb"></a>Specifies whether data is encrypted. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b768030577101022">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b880004859101022">OBS</strong>. The default value is <strong id="EN-US_TOPIC_0000001233510085__b20402142033115">off</strong>.</p>
<p id="EN-US_TOPIC_0000001233510085__a19b42b637b2d407682ddccfd47765519">Valid value:</p>
<ul id="EN-US_TOPIC_0000001233510085__u974382f6abe24fc3871e4ce336e5ed4b"><li id="EN-US_TOPIC_0000001233510085__lf74746323fed452e8a529942ecf18518"><strong id="EN-US_TOPIC_0000001233510085__b842352706101041">on</strong> indicates that data is encrypted.</li><li id="EN-US_TOPIC_0000001233510085__l630127327ed7411f987c3732263ab06f"><strong id="EN-US_TOPIC_0000001233510085__b1378122922101054">off</strong> indicates that data is not encrypted.</li></ul>
</li><li id="EN-US_TOPIC_0000001233510085__l7ae9bda1703147dfb7e44e9b9f8df66e">access_key<p id="EN-US_TOPIC_0000001233510085__a95954ff397d94b629d9769147fdd487b"><a name="EN-US_TOPIC_0000001233510085__l7ae9bda1703147dfb7e44e9b9f8df66e"></a><a name="l7ae9bda1703147dfb7e44e9b9f8df66e"></a>Indicates the access key (AK) (obtained by users from the OBS page) used for the OBS access protocol. When you create a foreign table, its AK value is encrypted and saved to the metadata table of the database. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b84235270610957">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b84235270610100">OBS</strong>.</p>
</li><li id="EN-US_TOPIC_0000001233510085__l8170e3e223954869bbb3520bca9311ba">secret_access_key<p id="EN-US_TOPIC_0000001233510085__a5791fcd38caa429284254263100b931c"><a name="EN-US_TOPIC_0000001233510085__l8170e3e223954869bbb3520bca9311ba"></a><a name="l8170e3e223954869bbb3520bca9311ba"></a>Indicates the secret access key (SK) (obtained by users from the OBS page) used for the OBS access protocol. When you create a foreign table, its SK value is encrypted and saved to the metadata table of the database. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b2005198718">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b303853678">OBS</strong>.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li42221130192714">dli_address<p id="EN-US_TOPIC_0000001233510085__p3453181672815"><a name="EN-US_TOPIC_0000001233510085__li42221130192714"></a><a name="li42221130192714"></a>Specifies the endpoint of the DLI service. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b1151216267214">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b1951919267211">DLI</strong>.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li7283184952718">dli_access_key<p id="EN-US_TOPIC_0000001233510085__p695605054612"><a name="EN-US_TOPIC_0000001233510085__li7283184952718"></a><a name="li7283184952718"></a>Specifies the access key (AK) (obtained by users from the DLI console) used for the DLI access protocol. When you create a foreign table, its AK value is encrypted and saved to the metadata table of the database. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b4412548475">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b204135487712">DLI</strong>.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li203411759192713">dli_secret_access_key<p id="EN-US_TOPIC_0000001233510085__p91821055144612"><a name="EN-US_TOPIC_0000001233510085__li203411759192713"></a><a name="li203411759192713"></a>Specifies the secret access key (SK) (obtained by users from the DLI console) used for the DLI access protocol. When you create a foreign table, its SK value is encrypted and saved to the metadata table of the database. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b52777342087">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b1227811344815">DLI</strong>.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li3233218131814">region<p id="EN-US_TOPIC_0000001233510085__p1855512417182"><a name="EN-US_TOPIC_0000001233510085__li3233218131814"></a><a name="li3233218131814"></a>Indicates the IP address or domain name of the OBS server. This parameter is available only when <strong id="EN-US_TOPIC_0000001233510085__b2119800851">type</strong> is <strong id="EN-US_TOPIC_0000001233510085__b599943351">OBS</strong>.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li9784195663110">dbname<p id="EN-US_TOPIC_0000001233510085__p1478635613113"><a name="EN-US_TOPIC_0000001233510085__li9784195663110"></a><a name="li9784195663110"></a>Specifies the database name of a remote cluster to be connected. This parameter is used for collaborative analysis and cross-cluster interconnection.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li527995919316">username<p id="EN-US_TOPIC_0000001233510085__p1528045914315"><a name="EN-US_TOPIC_0000001233510085__li527995919316"></a><a name="li527995919316"></a>Specifies the username of a remote cluster to be connected. This parameter is used for collaborative analysis and cross-cluster interconnection.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li36271617133215">password<p id="EN-US_TOPIC_0000001233510085__p7629141733216"><a name="EN-US_TOPIC_0000001233510085__li36271617133215"></a><a name="li36271617133215"></a>Specifies the password of a remote cluster to be connected. This parameter is used for collaborative analysis and cross-cluster interconnection.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li168361511515">syncsrv<p id="EN-US_TOPIC_0000001233510085__p55905210219"><a name="EN-US_TOPIC_0000001233510085__li168361511515"></a><a name="li168361511515"></a>This parameter is used only for cross-cluster interconnection and indicates the GDS service used during data synchronization. The method for setting this parameter is the same as that for setting the <strong id="EN-US_TOPIC_0000001233510085__b9599346101614">location</strong> attribute of the GDS foreign table. This feature is supported only in 8.1.2 or later.</p>
</li></ul>
</li><li id="EN-US_TOPIC_0000001233510085__l1710563070c944a29e71d5eb6fd3c0b7"><strong id="EN-US_TOPIC_0000001233510085__a521a585d67c44f4ca8ca07dfc2ff8414">new_owner</strong><p id="EN-US_TOPIC_0000001233510085__afaf944ddc3f840b79cdc3f57d0e71c4c">Indicates the new owner of the server. To change the owner, you must be the owner of the external server and a direct or indirect member of the new owner role, and must have the USAGE permission on the encapsulator of the external server.</p>
</li><li id="EN-US_TOPIC_0000001233510085__lbc49eb73b17840bb900dd9389e5fdcb9"><strong id="EN-US_TOPIC_0000001233510085__aa7027d7ff368457aa7fde7f91a7bb292">new_name</strong><p id="EN-US_TOPIC_0000001233510085__p1612117414304">Indicates the new name of the server.</p>
</li><li id="EN-US_TOPIC_0000001233510085__li5606329173017"><strong id="EN-US_TOPIC_0000001233510085__b1319134611110">REFRESH OPTIONS</strong><p id="EN-US_TOPIC_0000001233510085__p9889152113149">Refreshes the HDFS configuration file. This command is executed when the configuration file is modified. If this command is not executed, an access error may be reported.</p>
</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510085__s003ca5cecdf641929d3d3bc402586b6d"><h4 class="sectiontitle">Examples</h4><p id="EN-US_TOPIC_0000001233510085__aace6b6ff3fb449acbd1853aeb5b6e639">Create the <strong id="EN-US_TOPIC_0000001233510085__b12167164334318">hdfs_server</strong> server, in which <strong id="EN-US_TOPIC_0000001233510085__b416820435431">hdfs_fdw</strong> is the foreign-data wrapper:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__s46ba4a0f2be94d528ab22d3e30374d91"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="n">hdfs_server</span><span class="w"> </span><span class="k">FOREIGN</span><span class="w"> </span><span class="k">DATA</span><span class="w"> </span><span class="n">WRAPPER</span><span class="w"> </span><span class="n">HDFS_FDW</span><span class="w"> </span><span class="k">OPTIONS</span><span class="w"> </span>
<span class="w"> </span><span class="p">(</span><span class="n">address</span><span class="w"> </span><span class="s1">'10.10.0.100:25000,10.10.0.101:25000'</span><span class="p">,</span>
<span class="w"> </span><span class="n">hdfscfgpath</span><span class="w"> </span><span class="s1">'/opt/hadoop_client/HDFS/hadoop/etc/hadoop'</span><span class="p">,</span><span class="w"> </span>
<span class="w"> </span><span class="k">type</span><span class="w"> </span><span class="s1">'HDFS'</span>
<span class="p">)</span><span class="w"> </span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001233510085__p14019220497">Change the IP address of the <strong id="EN-US_TOPIC_0000001233510085__b180995587133721">hdfs_server</strong> server.</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__screen1679324113496"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="n">hdfs_server</span><span class="w"> </span><span class="k">OPTIONS</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="n">address</span><span class="w"> </span><span class="s1">'10.10.0.110:25000,10.10.0.120:25000'</span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001233510085__p201122164917">Change the <strong id="EN-US_TOPIC_0000001233510085__b1036200633721">hdfscfgpath</strong> of the <strong id="EN-US_TOPIC_0000001233510085__b115204630033721">hdfs_server</strong> server.</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510085__screen20871646164920"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="n">SERVER</span><span class="w"> </span><span class="n">hdfs_server</span><span class="w"> </span><span class="k">OPTIONS</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="n">hdfscfgpath</span><span class="w"> </span><span class="s1">'/opt/bigdata/hadoop'</span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510085__s933fc7d4ffd04201b1fd7e01227f829b"><h4 class="sectiontitle">Helpful Links</h4><p id="EN-US_TOPIC_0000001233510085__p51914117451"><a href="dws_06_0175.html">CREATE SERVER</a> <a href="dws_06_0206.html">DROP SERVER</a></p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_06_0118.html">DDL Syntax</a></div>
</div>
</div>
View Git Blame Copy Permalink