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doc-exports/docs/dws/tool/dws_16_0111.html
luhuayi a5e3903f6b DWS TG 910.211 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
2025-04-23 13:53:01 +00:00

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<a name="EN-US_TOPIC_0000001813598864"></a><a name="EN-US_TOPIC_0000001813598864"></a>
<h1 class="topictitle1">Spatial Data Types</h1>
<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_section1285618483234"><h4 class="sectiontitle">Overview</h4><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_p11692185562311">MySQL has spatial data types corresponding to the OpenGIS class. DSC supports the following type conversions:</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_section612235815232"><h4 class="sectiontitle">Type Mapping</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_table416618512410" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Spatial type mapping</caption><thead align="left"><tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row171679516415"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.2.4.1.1"><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p171678594113">MySQL Spatial Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.2.4.1.2"><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p31671512417">MySQL INPUT</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.2.4.1.3"><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p1672435312473">GaussDB(DWS) OUTPUT</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row1316714518414"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p9167452410">GEOMETRY</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p131679534116">GEOMETRY</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p616735134110">GEOMETRY</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row13167254414"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p816745164117">POINT</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p216712519418">POINT</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p61673554117">POINT</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row71677514410"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p10167175204110">LINESTRING</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p201678544113">LINESTRING</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p116719511413">POLYGON</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row1516745114117"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p316710517417">POLYGON</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p016714515413">POLYGON</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p71675510419">POLYGON</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row31671534112"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p131679564115">MULTIPOINT</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p141671456416">MULTIPOINT</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p316718510411">BOX</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row201678584118"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p13167259411">MULTILINESTRING</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p21672511417">MULTILINESTRING</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p1716795184111">BOX</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row101671657412"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p41679524119">MULTIPOLYGON</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p131671510417">MULTIPOLYGON</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p216715510415">POLYGON</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_row1616711518419"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p81681755411">GEOMETRYCOLLECTION</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p1916865124117">GEOMETRYCOLLECTION</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p916875204119">GEOMETRYCOLLECTION</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164385_note1544699172110"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_ul437662813153"><li id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_li237602801512">GEOMETRY can store geometry values of any type. The other single-value types (POINT, LINESTRING, and POLYGON) restrict their values to a particular geometry type.</li><li id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_li1437702815152">GEOMETRYCOLLECTION can store a collection of objects of any type. The other collection types (<strong id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_b8217847814">MULTIPOINT</strong>, <strong id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_b16556249619">MULTILINESTRING</strong>, <strong id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_b0993165111111">MULTIPOLYGON</strong>, and <strong id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_b177581856618">GEOMETRYCOLLECTION</strong>) restrict collection members to those having a particular geometry type.</li></ul>
</div></div>
<ul id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_ul1061615108448"><li id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_li2090742314415"><p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p989113244418"><a name="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_li2090742314415"></a><a name="en-us_topic_0000001383828612_en-us_topic_0214164710_li2090742314415"></a><strong id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_b1146374914447">Input</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_screen2523452194418"><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>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span>
<span class="normal">13</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="o">`</span><span class="n">t_geo_test2</span><span class="o">`</span><span class="w"> </span><span class="p">(</span>
<span class="w"> </span><span class="o">`</span><span class="n">id</span><span class="o">`</span><span class="w"> </span><span class="nb">int</span><span class="p">(</span><span class="mi">11</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">name</span><span class="o">`</span><span class="w"> </span><span class="nb">varchar</span><span class="p">(</span><span class="mi">255</span><span class="p">),</span>
<span class="w"> </span><span class="o">`</span><span class="n">geometry_1</span><span class="o">`</span><span class="w"> </span><span class="n">geometry</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">point_1</span><span class="o">`</span><span class="w"> </span><span class="n">point</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">linestring_1</span><span class="o">`</span><span class="w"> </span><span class="n">linestring</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">polygon_1</span><span class="o">`</span><span class="w"> </span><span class="n">polygon</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">multipoint_1</span><span class="o">`</span><span class="w"> </span><span class="n">multipoint</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">multilinestring_1</span><span class="o">`</span><span class="w"> </span><span class="n">multilinestring</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">multipolygon_1</span><span class="o">`</span><span class="w"> </span><span class="n">multipolygon</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">geometrycollection_1</span><span class="o">`</span><span class="w"> </span><span class="n">geometrycollection</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="k">PRIMARY</span><span class="w"> </span><span class="k">KEY</span><span class="w"> </span><span class="p">(</span><span class="o">`</span><span class="n">id</span><span class="o">`</span><span class="p">)</span><span class="w"> </span><span class="k">USING</span><span class="w"> </span><span class="n">BTREE</span>
<span class="p">)</span><span class="w"> </span><span class="n">ENGINE</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">InnoDB</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_p885717332454"><strong id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_b5469194384514">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001813598864__en-us_topic_0000001383828612_en-us_topic_0214164710_screen19963745134517"><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>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span>
<span class="normal">13</span>
<span class="normal">14</span>
<span class="normal">15</span>
<span class="normal">16</span>
<span class="normal">17</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="ss">&quot;public&quot;</span><span class="p">.</span><span class="ss">&quot;t_geo_test2&quot;</span>
<span class="p">(</span>
<span class="w"> </span><span class="ss">&quot;id&quot;</span><span class="w"> </span><span class="nb">INTEGER</span><span class="p">(</span><span class="mi">11</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;name&quot;</span><span class="w"> </span><span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">255</span><span class="p">),</span>
<span class="w"> </span><span class="ss">&quot;geometry_1&quot;</span><span class="w"> </span><span class="n">GEOMETRY</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;point_1&quot;</span><span class="w"> </span><span class="n">POINT</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;linestring_1&quot;</span><span class="w"> </span><span class="n">POLYGON</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;polygon_1&quot;</span><span class="w"> </span><span class="n">POLYGON</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;multipoint_1&quot;</span><span class="w"> </span><span class="n">BOX</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;multilinestring_1&quot;</span><span class="w"> </span><span class="n">BOX</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;multipolygon_1&quot;</span><span class="w"> </span><span class="n">POLYGON</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;geometrycollection_1&quot;</span><span class="w"> </span><span class="n">GEOMETRYCOLLECTION</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="p">,</span>
<span class="w"> </span><span class="k">PRIMARY</span><span class="w"> </span><span class="k">KEY</span><span class="w"> </span><span class="p">(</span><span class="ss">&quot;id&quot;</span><span class="p">)</span>
<span class="p">)</span>
<span class="w"> </span><span class="k">WITH</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">ORIENTATION</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">ROW</span><span class="p">,</span><span class="w"> </span><span class="n">COMPRESSION</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">NO</span><span class="w"> </span><span class="p">)</span>
<span class="w"> </span><span class="n">NOCOMPRESS</span>
<span class="w"> </span><span class="n">DISTRIBUTE</span><span class="w"> </span><span class="k">BY</span><span class="w"> </span><span class="n">HASH</span><span class="w"> </span><span class="p">(</span><span class="ss">&quot;id&quot;</span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
</li></ul>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_16_0106.html">Data Types</a></div>
</div>
</div>
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