This file is indexed.

/usr/share/doc/postgresql-9.5-pgrouting-doc/html/en/src/common/doc/functions/create_vert_table.html is in postgresql-9.5-pgrouting-doc 2.1.0-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    
    <title>pgr_createVerticesTable &mdash; pgRouting Manual (2.1.0)</title>
    
    <link rel="stylesheet" href="../../../../_static/haiku.css" type="text/css" />
    <link rel="stylesheet" href="../../../../_static/pygments.css" type="text/css" />
    
    <script type="text/javascript">
      var DOCUMENTATION_OPTIONS = {
        URL_ROOT:    '../../../../',
        VERSION:     '2.1.0 (b38118a master)',
        COLLAPSE_INDEX: false,
        FILE_SUFFIX: '.html',
        HAS_SOURCE:  true
      };
    </script>
    <script type="text/javascript" src="../../../../_static/jquery.js"></script>
    <script type="text/javascript" src="../../../../_static/underscore.js"></script>
    <script type="text/javascript" src="../../../../_static/doctools.js"></script>
    <script type="text/javascript" src="../../../../_static/mathjax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
    <link rel="shortcut icon" href="../../../../_static/favicon.ico"/>
    <link rel="top" title="pgRouting Manual (2.1.0)" href="../../../../doc/index.html" />
    <link rel="up" title="Topology Functions" href="index.html" />
    <link rel="next" title="pgr_analyzeGraph" href="analyze_graph.html" />
    <link rel="prev" title="pgr_createTopology" href="create_topology.html" /> 
  </head>
  <body role="document">
      <div class="header" role="banner"><img class="rightlogo" src="../../../../_static/pgrouting.png" alt="Logo"/><h1 class="heading"><a href="../../../../index.html">
          <span>pgRouting Manual (2.1.0)</span></a></h1>
        <h2 class="heading"><span>pgr_createVerticesTable</span></h2>
      </div>
      <div class="topnav" role="navigation" aria-label="top navigation">
      
        <p>
        «&#160;&#160;<a href="create_topology.html">pgr_createTopology</a>
        &#160;&#160;::&#160;&#160;
        <a class="uplink" href="../../../../doc/index.html">Contents</a>
        &#160;&#160;::&#160;&#160;
        <a href="analyze_graph.html">pgr_analyzeGraph</a>&#160;&#160;»
        </p>

      </div>
      <div class="content">
        
        
  <div class="section" id="pgr-createverticestable">
<span id="pgr-create-vert-table"></span><h1>pgr_createVerticesTable<a class="headerlink" href="#pgr-createverticestable" title="Permalink to this headline"></a></h1>
<div class="section" id="name">
<span id="index-0"></span><h2>Name<a class="headerlink" href="#name" title="Permalink to this headline"></a></h2>
<p><code class="docutils literal"><span class="pre">pgr_createVerticesTable</span></code> — Reconstructs the vertices table based on the source and target information.</p>
</div>
<div class="section" id="synopsis">
<h2>Synopsis<a class="headerlink" href="#synopsis" title="Permalink to this headline"></a></h2>
<p>The function returns:</p>
<blockquote>
<div><ul class="simple">
<li><code class="docutils literal"><span class="pre">OK</span></code> after the vertices table has been reconstructed.</li>
<li><code class="docutils literal"><span class="pre">FAIL</span></code> when the vertices table was not reconstructed due to an error.</li>
</ul>
</div></blockquote>
<div class="highlight-sql"><div class="highlight"><pre><span class="nb">varchar</span> <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="nb">text</span> <span class="n">edge_table</span><span class="p">,</span>  <span class="nb">text</span> <span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom&#39;</span>
                   <span class="nb">text</span> <span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;source&#39;</span><span class="p">,</span><span class="nb">text</span> <span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;target&#39;</span><span class="p">,</span><span class="nb">text</span> <span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;true&#39;</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
<p class="rubric">Parameters</p>
<p>The reconstruction of the vertices table  function accepts the following parameters:</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">edge_table:</th><td class="field-body"><code class="docutils literal"><span class="pre">text</span></code> Network table name. (may contain the schema name as well)</td>
</tr>
<tr class="field-even field"><th class="field-name">the_geom:</th><td class="field-body"><code class="docutils literal"><span class="pre">text</span></code>  Geometry column name of the network table. Default value is <code class="docutils literal"><span class="pre">the_geom</span></code>.</td>
</tr>
<tr class="field-odd field"><th class="field-name">source:</th><td class="field-body"><code class="docutils literal"><span class="pre">text</span></code> Source column name of the network table. Default value is <code class="docutils literal"><span class="pre">source</span></code>.</td>
</tr>
<tr class="field-even field"><th class="field-name">target:</th><td class="field-body"><code class="docutils literal"><span class="pre">text</span></code>  Target column name of the network table.  Default value is <code class="docutils literal"><span class="pre">target</span></code>.</td>
</tr>
<tr class="field-odd field"><th class="field-name">rows_where:</th><td class="field-body"><code class="docutils literal"><span class="pre">text</span></code>   Condition to SELECT a subset or rows.  Default value is <code class="docutils literal"><span class="pre">true</span></code> to indicate all rows.</td>
</tr>
</tbody>
</table>
<div class="admonition warning">
<p class="first admonition-title">Warning</p>
<p>The <code class="docutils literal"><span class="pre">edge_table</span></code> will be affected</p>
<blockquote class="last">
<div><ul>
<li><p class="first">An index will be created, if it doesn&#8217;t exists, to speed up the process to the following columns:</p>
<blockquote>
<div><ul class="simple">
<li><code class="docutils literal"><span class="pre">the_geom</span></code></li>
<li><code class="docutils literal"><span class="pre">source</span></code></li>
<li><code class="docutils literal"><span class="pre">target</span></code></li>
</ul>
</div></blockquote>
</li>
</ul>
</div></blockquote>
</div>
<p>The function returns:</p>
<blockquote>
<div><ul class="simple">
<li><code class="docutils literal"><span class="pre">OK</span></code> after the vertices table has been reconstructed.<ul>
<li>Creates a vertices table: &lt;edge_table&gt;_vertices_pgr.</li>
<li>Fills <code class="docutils literal"><span class="pre">id</span></code> and <code class="docutils literal"><span class="pre">the_geom</span></code> columns of the vertices table based on the source and target columns of the edge table.</li>
</ul>
</li>
<li><code class="docutils literal"><span class="pre">FAIL</span></code> when the vertices table was not reconstructed due to an error.<ul>
<li>A required column of the Network table is not found or is not of the appropriate type.</li>
<li>The condition is not well formed.</li>
<li>The names of source, target are the same.</li>
<li>The SRID of the geometry could not be determined.</li>
</ul>
</li>
</ul>
</div></blockquote>
<p class="rubric">The Vertices Table</p>
<p>The vertices table is a requierment of the <a class="reference internal" href="analyze_graph.html#pgr-analyze-graph"><span>pgr_analyzeGraph</span></a> and the <a class="reference internal" href="analyze_oneway.html#pgr-analyze-oneway"><span>pgr_analyzeOneway</span></a> functions.</p>
<p>The structure of the vertices table is:</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">id:</th><td class="field-body"><code class="docutils literal"><span class="pre">bigint</span></code> Identifier of the vertex.</td>
</tr>
<tr class="field-even field"><th class="field-name">cnt:</th><td class="field-body"><code class="docutils literal"><span class="pre">integer</span></code> Number of vertices in the edge_table that reference this vertex. See <a class="reference internal" href="analyze_graph.html#pgr-analyze-graph"><span>pgr_analyzeGraph</span></a>.</td>
</tr>
<tr class="field-odd field"><th class="field-name">chk:</th><td class="field-body"><code class="docutils literal"><span class="pre">integer</span></code>  Indicator that the vertex might have a problem. See <a class="reference internal" href="analyze_graph.html#pgr-analyze-graph"><span>pgr_analyzeGraph</span></a>.</td>
</tr>
<tr class="field-even field"><th class="field-name">ein:</th><td class="field-body"><code class="docutils literal"><span class="pre">integer</span></code> Number of vertices in the edge_table that reference this vertex as incoming. See <a class="reference internal" href="analyze_oneway.html#pgr-analyze-oneway"><span>pgr_analyzeOneway</span></a>.</td>
</tr>
<tr class="field-odd field"><th class="field-name">eout:</th><td class="field-body"><code class="docutils literal"><span class="pre">integer</span></code> Number of vertices in the edge_table that reference this vertex as outgoing. See <a class="reference internal" href="analyze_oneway.html#pgr-analyze-oneway"><span>pgr_analyzeOneway</span></a>.</td>
</tr>
<tr class="field-even field"><th class="field-name">the_geom:</th><td class="field-body"><code class="docutils literal"><span class="pre">geometry</span></code> Point geometry of the vertex.</td>
</tr>
</tbody>
</table>
<p class="rubric">History</p>
<ul class="simple">
<li>Renamed in version 2.0.0</li>
</ul>
</div>
<div class="section" id="usage-when-the-edge-table-s-columns-match-the-default-values">
<h2>Usage when the edge table&#8217;s columns MATCH the default values:<a class="headerlink" href="#usage-when-the-edge-table-s-columns-match-the-default-values" title="Permalink to this headline"></a></h2>
<p class="rubric">The simplest way to use pgr_createVerticesTable is:</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p class="rubric">When the arguments are given in the order described in the parameters:</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="s1">&#39;the_geom&#39;</span><span class="p">,</span><span class="s1">&#39;source&#39;</span><span class="p">,</span><span class="s1">&#39;target&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>We get the same result as the simplest way to use the function.</p>
<div class="admonition warning">
<p class="first admonition-title">Warning</p>
<div class="last line-block">
<div class="line">An error would occur when the arguments are not given in the appropriate order: In this example, the column source column <code class="docutils literal"><span class="pre">source</span></code> of the table <code class="docutils literal"><span class="pre">mytable</span></code> is passed to the function as the geometry column, and the geometry column <code class="docutils literal"><span class="pre">the_geom</span></code> is passed to the function as the source column.</div>
<div class="line"><code class="docutils literal"><span class="pre">SELECT</span>&nbsp; <span class="pre">pgr_createVerticesTable('edge_table','source','the_geom','target');</span></code></div>
</div>
</div>
<p class="rubric">When using the named notation</p>
<p>The order of the parameters do not matter:</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;source&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;target&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;source&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;target&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>Parameters defined with a default value can be omited, as long as the value matches the default:</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;source&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p class="rubric">Selecting rows using rows_where parameter</p>
<p>Selecting rows based on the id.</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;id &lt; 10&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>Selecting the rows where the geometry is near the geometry of row with <code class="docutils literal"><span class="pre">id</span></code> =5 .</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom &amp;&amp; (select st_buffer(the_geom,0.5) FROM edge_table WHERE id=5)&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>Selecting the rows where the geometry is near the geometry of the row with <code class="docutils literal"><span class="pre">gid</span></code> =100 of the table <code class="docutils literal"><span class="pre">othertable</span></code>.</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">DROP</span> <span class="k">TABLE</span> <span class="n">IF</span> <span class="k">EXISTS</span> <span class="n">otherTable</span><span class="p">;</span>
<span class="k">CREATE</span> <span class="k">TABLE</span> <span class="n">otherTable</span> <span class="k">AS</span>  <span class="p">(</span><span class="k">SELECT</span> <span class="mi">100</span> <span class="k">AS</span> <span class="n">gid</span><span class="p">,</span> <span class="n">st_point</span><span class="p">(</span><span class="mi">2</span><span class="p">.</span><span class="mi">5</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">5</span><span class="p">)</span> <span class="k">AS</span> <span class="n">other_geom</span><span class="p">)</span> <span class="p">;</span>
<span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom &amp;&amp; (select st_buffer(othergeom,0.5) FROM otherTable WHERE gid=100)&#39;</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="usage-when-the-edge-table-s-columns-do-not-match-the-default-values">
<h2>Usage when the edge table&#8217;s columns DO NOT MATCH the default values:<a class="headerlink" href="#usage-when-the-edge-table-s-columns-do-not-match-the-default-values" title="Permalink to this headline"></a></h2>
<p>For the following table</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">DROP</span> <span class="k">TABLE</span> <span class="n">IF</span> <span class="k">EXISTS</span> <span class="n">mytable</span><span class="p">;</span>
<span class="k">CREATE</span> <span class="k">TABLE</span> <span class="n">mytable</span> <span class="k">AS</span> <span class="p">(</span><span class="k">SELECT</span> <span class="n">id</span> <span class="k">AS</span> <span class="n">gid</span><span class="p">,</span> <span class="n">the_geom</span> <span class="k">AS</span> <span class="n">mygeom</span><span class="p">,</span><span class="k">source</span> <span class="k">AS</span> <span class="n">src</span> <span class="p">,</span><span class="n">target</span> <span class="k">AS</span> <span class="n">tgt</span> <span class="k">FROM</span> <span class="n">edge_table</span><span class="p">)</span> <span class="p">;</span>
</pre></div>
</div>
<p class="rubric">Using positional notation:</p>
<p>The arguments need to be given in the order described in the parameters:</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="s1">&#39;tgt&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="admonition warning">
<p class="first admonition-title">Warning</p>
<div class="last line-block">
<div class="line">An error would occur when the arguments are not given in the appropriate order: In this example, the column <code class="docutils literal"><span class="pre">src</span></code> of the table <code class="docutils literal"><span class="pre">mytable</span></code> is passed to the function as the geometry column, and the geometry column <code class="docutils literal"><span class="pre">mygeom</span></code> is passed to the function as the source column.</div>
<div class="line"><code class="docutils literal"><span class="pre">SELECT</span>&nbsp; <span class="pre">pgr_createVerticesTable('mytable','src','mygeom','tgt');</span></code></div>
</div>
</div>
<p class="rubric">When using the named notation</p>
<p>The order of the parameters do not matter:</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;tgt&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;mygeom&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>In this scenario omitting a parameter would create an error because the default values for the column names do not match the column names of the table.</p>
<p class="rubric">Selecting rows using rows_where parameter</p>
<p>Selecting rows based on the gid.</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span><span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;gid &lt; 10&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span><span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;gid &lt; 10&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>Selecting the rows where the geometry is near the geometry of row with <code class="docutils literal"><span class="pre">gid</span></code> =5 .</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span>
                           <span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom &amp;&amp; (SELECT st_buffer(mygeom,0.5) FROM mytable WHERE gid=5)&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span>
                           <span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;mygeom &amp;&amp; (SELECT st_buffer(mygeom,0.5) FROM mytable WHERE id=5)&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>Selecting the rows where the geometry is near the geometry of the row with <code class="docutils literal"><span class="pre">gid</span></code> =100 of the table <code class="docutils literal"><span class="pre">othertable</span></code>.</p>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">DROP</span> <span class="k">TABLE</span> <span class="n">IF</span> <span class="k">EXISTS</span> <span class="n">otherTable</span><span class="p">;</span>
<span class="k">CREATE</span> <span class="k">TABLE</span> <span class="n">otherTable</span> <span class="k">AS</span>  <span class="p">(</span><span class="k">SELECT</span> <span class="mi">100</span> <span class="k">AS</span> <span class="n">gid</span><span class="p">,</span> <span class="n">st_point</span><span class="p">(</span><span class="mi">2</span><span class="p">.</span><span class="mi">5</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">5</span><span class="p">)</span> <span class="k">AS</span> <span class="n">other_geom</span><span class="p">)</span> <span class="p">;</span>
<span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span>
                            <span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom &amp;&amp; (SELECT st_buffer(othergeom,0.5) FROM otherTable WHERE gid=100)&#39;</span><span class="p">);</span>
</pre></div>
</div>
<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;mytable&#39;</span><span class="p">,</span><span class="k">source</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;src&#39;</span><span class="p">,</span><span class="n">target</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;tgt&#39;</span><span class="p">,</span><span class="n">the_geom</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;mygeom&#39;</span><span class="p">,</span>
                            <span class="n">rows_where</span><span class="p">:</span><span class="o">=</span><span class="s1">&#39;the_geom &amp;&amp; (SELECT st_buffer(othergeom,0.5) FROM otherTable WHERE gid=100)&#39;</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="examples">
<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<div class="highlight-sql"><div class="highlight"><pre>    <span class="k">SELECT</span> <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">);</span>
    <span class="n">NOTICE</span><span class="p">:</span>  <span class="n">PROCESSING</span><span class="p">:</span>
<span class="n">NOTICE</span><span class="p">:</span>  <span class="n">pgr_createVerticesTable</span><span class="p">(</span><span class="s1">&#39;edge_table&#39;</span><span class="p">,</span><span class="s1">&#39;the_geom&#39;</span><span class="p">,</span><span class="s1">&#39;source&#39;</span><span class="p">,</span><span class="s1">&#39;target&#39;</span><span class="p">,</span><span class="s1">&#39;true&#39;</span><span class="p">)</span>
<span class="n">NOTICE</span><span class="p">:</span>  <span class="n">Performing</span> <span class="n">checks</span><span class="p">,</span> <span class="n">pelase</span> <span class="n">wait</span> <span class="p">.....</span>
<span class="n">NOTICE</span><span class="p">:</span>  <span class="n">Populating</span> <span class="k">public</span><span class="p">.</span><span class="n">edge_table_vertices_pgr</span><span class="p">,</span> <span class="n">please</span> <span class="n">wait</span><span class="p">...</span>
<span class="n">NOTICE</span><span class="p">:</span>    <span class="c1">-----&gt;   VERTICES TABLE CREATED WITH  17 VERTICES</span>
<span class="n">NOTICE</span><span class="p">:</span>                                         <span class="k">FOR</span>   <span class="mi">18</span>  <span class="n">EDGES</span>
<span class="n">NOTICE</span><span class="p">:</span>    <span class="n">Edges</span> <span class="k">with</span> <span class="k">NULL</span> <span class="n">geometry</span><span class="p">,</span><span class="k">source</span> <span class="k">or</span> <span class="n">target</span><span class="p">:</span> <span class="mi">0</span>
<span class="n">NOTICE</span><span class="p">:</span>                              <span class="n">Edges</span> <span class="n">processed</span><span class="p">:</span> <span class="mi">18</span>
<span class="n">NOTICE</span><span class="p">:</span>  <span class="n">Vertices</span> <span class="k">table</span> <span class="k">for</span> <span class="k">table</span> <span class="k">public</span><span class="p">.</span><span class="n">edge_table</span> <span class="k">is</span><span class="p">:</span> <span class="k">public</span><span class="p">.</span><span class="n">edge_table_vertices_pgr</span>
<span class="n">NOTICE</span><span class="p">:</span>  <span class="c1">----------------------------------------------</span>

     <span class="n">pgr_createVerticesTable</span>
    <span class="c1">--------------------</span>
     <span class="n">OK</span>
    <span class="p">(</span><span class="mi">1</span> <span class="k">row</span><span class="p">)</span>
</pre></div>
</div>
<p>The example uses the <a class="reference internal" href="../../../../doc/src/developer/sampledata.html#sampledata"><span>Sample Data</span></a> network.</p>
</div>
<div class="section" id="see-also">
<h2>See Also<a class="headerlink" href="#see-also" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li><a class="reference internal" href="../../../../doc/src/tutorial/topology.html#topology"><span>Routing Topology</span></a>  for an overview of a topology for routing algorithms.</li>
<li><a class="reference internal" href="create_topology.html#pgr-create-topology"><span>pgr_createTopology</span></a> to create a topology based on the geometry.</li>
<li><a class="reference internal" href="analyze_graph.html#pgr-analyze-graph"><span>pgr_analyzeGraph</span></a> to analyze the edges and vertices of the edge table.</li>
<li><a class="reference internal" href="analyze_oneway.html#pgr-analyze-oneway"><span>pgr_analyzeOneway</span></a> to analyze directionality of the edges.</li>
</ul>
</div>
</div>


      </div>
      <div class="bottomnav" role="navigation" aria-label="bottom navigation">
      
        <p>
        «&#160;&#160;<a href="create_topology.html">pgr_createTopology</a>
        &#160;&#160;::&#160;&#160;
        <a class="uplink" href="../../../../doc/index.html">Contents</a>
        &#160;&#160;::&#160;&#160;
        <a href="analyze_graph.html">pgr_analyzeGraph</a>&#160;&#160;»
        </p>

      </div>

    <div class="footer" role="contentinfo">
        &copy; Copyright pgRouting Contributors - Version 2.1.0 (b38118a master).
      Last updated on Feb 05, 2016.
      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.3.5.
    </div>
  </body>
</html>