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The website is moving to pgloader.org and readthedocs.io is going to be integrated. Let's see what happens. The docs build fine locally with the sphinx tools and the docs/Makefile. Having separate files for the documentation should help ease the maintenance and add new topics, such as support for Common Lisp Hackers level docs, which are currently missing.
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6.4 KiB
HTML
138 lines
6.4 KiB
HTML
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Loading DBF data — pgloader 3.4.1 documentation</title>
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<link rel="next" title="Loading IXF Data" href="ixf.html" />
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<div class="body" role="main">
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<div class="section" id="loading-dbf-data">
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<h1>Loading DBF data<a class="headerlink" href="#loading-dbf-data" title="Permalink to this headline">¶</a></h1>
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<p>This command instructs pgloader to load data from a <cite>DBF</cite> file. Here’s an
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example:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">LOAD</span> <span class="n">DBF</span>
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<span class="n">FROM</span> <span class="n">http</span><span class="p">:</span><span class="o">//</span><span class="n">www</span><span class="o">.</span><span class="n">insee</span><span class="o">.</span><span class="n">fr</span><span class="o">/</span><span class="n">fr</span><span class="o">/</span><span class="n">methodes</span><span class="o">/</span><span class="n">nomenclatures</span><span class="o">/</span><span class="n">cog</span><span class="o">/</span><span class="n">telechargement</span><span class="o">/</span><span class="mi">2013</span><span class="o">/</span><span class="n">dbf</span><span class="o">/</span><span class="n">reg2013</span><span class="o">.</span><span class="n">dbf</span>
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<span class="n">INTO</span> <span class="n">postgresql</span><span class="p">:</span><span class="o">//</span><span class="n">user</span><span class="nd">@localhost</span><span class="o">/</span><span class="n">dbname</span>
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<span class="n">WITH</span> <span class="n">truncate</span><span class="p">,</span> <span class="n">create</span> <span class="n">table</span><span class="p">;</span>
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</pre></div>
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</div>
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<p>The <cite>dbf</cite> format command accepts the following clauses and options.</p>
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<div class="section" id="dbf-source-specification-from">
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<h2>DBF Source Specification: FROM<a class="headerlink" href="#dbf-source-specification-from" title="Permalink to this headline">¶</a></h2>
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<p>Filename where to load the data from. This support local files, HTTP URLs
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and zip files containing a single dbf file of the same name. Fetch such a
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zip file from an HTTP address is of course supported.</p>
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</div>
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<div class="section" id="dbf-loading-options-with">
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<h2>DBF Loading Options: WITH<a class="headerlink" href="#dbf-loading-options-with" title="Permalink to this headline">¶</a></h2>
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<p>When loading from a <cite>DBF</cite> file, the following options are supported:</p>
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<blockquote>
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<div><ul>
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<li><p class="first"><em>truncate</em></p>
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<p>When this option is listed, pgloader issues a <cite>TRUNCATE</cite> command against
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the PostgreSQL target table before reading the data file.</p>
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</li>
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<li><p class="first"><em>disable triggers</em></p>
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<p>When this option is listed, pgloader issues an <cite>ALTER TABLE … DISABLE
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TRIGGER ALL</cite> command against the PostgreSQL target table before copying
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the data, then the command <cite>ALTER TABLE … ENABLE TRIGGER ALL</cite> once the
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<cite>COPY</cite> is done.</p>
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<p>This option allows loading data into a pre-existing table ignoring the
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<em>foreign key constraints</em> and user defined triggers and may result in
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invalid <em>foreign key constraints</em> once the data is loaded. Use with
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care.</p>
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</li>
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<li><p class="first"><em>create table</em></p>
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<p>When this option is listed, pgloader creates the table using the meta
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data found in the <cite>DBF</cite> file, which must contain a list of fields with
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their data type. A standard data type conversion from DBF to PostgreSQL
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is done.</p>
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</li>
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<li><p class="first"><em>table name</em></p>
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<p>This options expects as its value the possibly qualified name of the
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table to create.</p>
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</li>
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</ul>
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</div></blockquote>
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</div>
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</div>
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</div>
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<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
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<div class="sphinxsidebarwrapper"><div class="relations">
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<h3>Related Topics</h3>
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<ul>
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<li><a href="../index.html">Documentation overview</a><ul>
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<li>Previous: <a href="copy.html" title="previous chapter">Loading COPY Formatted Files</a></li>
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<li>Next: <a href="ixf.html" title="next chapter">Loading IXF Data</a></li>
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</ul></li>
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©2017, Dimitri Fontaine.
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