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&#160;<span id="projectnumber">0.8.4</span>
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<li class="navelem"><b>remwharead</b></li><li class="navelem"><a class="el" href="classremwharead_1_1Database.html">Database</a></li> </ul>
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<div class="header">
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<a href="#nested-classes">Classes</a> &#124;
<a href="#pub-types">Public Types</a> &#124;
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<div class="title">remwharead::Database Class Reference</div> </div>
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<p>Store and retrieve files from/to SQLite.
<a href="classremwharead_1_1Database.html#details">More...</a></p>
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<p><code>#include &lt;<a class="el" href="sqlite_8hpp_source.html">remwharead/sqlite.hpp</a>&gt;</code></p>
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<table class="memberdecls">
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structremwharead_1_1Database_1_1entry.html">entry</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Describes a database entry. <a href="structremwharead_1_1Database_1_1entry.html#details">More...</a><br /></td></tr>
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Public Types</h2></td></tr>
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<tr class="memitem:a5ef85b43b21a900046b9233ee259ae7d"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structremwharead_1_1Database_1_1entry.html">remwharead::Database::entry</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Database.html#a5ef85b43b21a900046b9233ee259ae7d">entry</a></td></tr>
<tr class="memdesc:a5ef85b43b21a900046b9233ee259ae7d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Describes a database entry. <a href="#a5ef85b43b21a900046b9233ee259ae7d">More...</a><br /></td></tr>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a8576436b2cc1e3d8ecfdeabfc0ff88ca"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Database.html#a8576436b2cc1e3d8ecfdeabfc0ff88ca">Database</a> ()</td></tr>
<tr class="memdesc:a8576436b2cc1e3d8ecfdeabfc0ff88ca"><td class="mdescLeft">&#160;</td><td class="mdescRight">Connects to the database and creates it if necessary. <a href="#a8576436b2cc1e3d8ecfdeabfc0ff88ca">More...</a><br /></td></tr>
<tr class="separator:a8576436b2cc1e3d8ecfdeabfc0ff88ca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adf363243852b2a5fec1911139d4936c1"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Database.html#adf363243852b2a5fec1911139d4936c1">operator bool</a> () const</td></tr>
<tr class="memdesc:adf363243852b2a5fec1911139d4936c1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if connected to the database. <a href="#adf363243852b2a5fec1911139d4936c1">More...</a><br /></td></tr>
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<tr class="memitem:ab3ea9062c5c0ef5d9f2b7eea6f0fd1bd"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Database.html#ab3ea9062c5c0ef5d9f2b7eea6f0fd1bd">store</a> (const <a class="el" href="structremwharead_1_1Database_1_1entry.html">entry</a> &amp;data) const</td></tr>
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<tr class="memdesc:ab3ea9062c5c0ef5d9f2b7eea6f0fd1bd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Store a <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry.">Database::entry</a> in the database. <a href="#ab3ea9062c5c0ef5d9f2b7eea6f0fd1bd">More...</a><br /></td></tr>
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<tr class="memitem:ab08e7bd3ef03257f7ed951ef051db4fd"><td class="memItemLeft" align="right" valign="top">const list&lt; <a class="el" href="structremwharead_1_1Database_1_1entry.html">entry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Database.html#ab08e7bd3ef03257f7ed951ef051db4fd">retrieve</a> (const time_point &amp;start=time_point(), const time_point &amp;end=system_clock::now()) const</td></tr>
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<tr class="memdesc:ab08e7bd3ef03257f7ed951ef051db4fd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Retrieve a list of <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry.">Database::entry</a> from the database. <a href="#ab08e7bd3ef03257f7ed951ef051db4fd">More...</a><br /></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Store and retrieve files from/to SQLite. </p>
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<dl class="section since"><dt>Since</dt><dd>0.6.0 </dd></dl>
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</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a5ef85b43b21a900046b9233ee259ae7d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5ef85b43b21a900046b9233ee259ae7d">&#9670;&nbsp;</a></span>entry</h2>
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<td class="memname">typedef struct <a class="el" href="structremwharead_1_1Database_1_1entry.html">remwharead::Database::entry</a> <a class="el" href="structremwharead_1_1Database_1_1entry.html">remwharead::Database::entry</a></td>
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<p>Describes a database entry. </p>
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<dl class="section since"><dt>Since</dt><dd>0.6.0 </dd></dl>
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</div>
</div>
<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a8576436b2cc1e3d8ecfdeabfc0ff88ca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8576436b2cc1e3d8ecfdeabfc0ff88ca">&#9670;&nbsp;</a></span>Database()</h2>
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<td class="memname">remwharead::Database::Database </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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</table>
</div><div class="memdoc">
<p>Connects to the database and creates it if necessary. </p>
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<dl class="section since"><dt>Since</dt><dd>0.6.0 </dd></dl>
<div class="fragment"><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; : _connected(<span class="keyword">false</span>)</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; xdgHandle xdg;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; xdgInitHandle(&amp;xdg);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; _dbpath = xdgDataHome(&amp;xdg) / fs::path(<span class="stringliteral">&quot;remwharead&quot;</span>);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; xdgWipeHandle(&amp;xdg);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">if</span> (!fs::exists(_dbpath))</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; fs::create_directories(_dbpath);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; _dbpath /= <span class="stringliteral">&quot;database.sqlite&quot;</span>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; Poco::Data::SQLite::Connector::registerConnector();</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; _session = std::make_unique&lt;Session&gt;(<span class="stringliteral">&quot;SQLite&quot;</span>, _dbpath);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; *_session &lt;&lt; <span class="stringliteral">&quot;CREATE TABLE IF NOT EXISTS remwharead(&quot;</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="stringliteral">&quot;uri TEXT, archive_uri TEXT, datetime TEXT, &quot;</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="stringliteral">&quot;tags TEXT, title TEXT, description TEXT, fulltext TEXT);&quot;</span>, now;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; _connected = <span class="keyword">true</span>;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">catch</span> (std::exception &amp;e)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; cerr &lt;&lt; <span class="stringliteral">&quot;Error in &quot;</span> &lt;&lt; __func__ &lt;&lt; <span class="stringliteral">&quot;: &quot;</span> &lt;&lt; e.what() &lt;&lt; endl;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; }</div></div><!-- fragment -->
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</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="adf363243852b2a5fec1911139d4936c1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adf363243852b2a5fec1911139d4936c1">&#9670;&nbsp;</a></span>operator bool()</h2>
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<td class="memname">remwharead::Database::operator bool </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
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</div><div class="memdoc">
<p>Returns true if connected to the database. </p>
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<dl class="section since"><dt>Since</dt><dd>0.6.0 </dd></dl>
<div class="fragment"><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">return</span> _connected;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; }</div></div><!-- fragment -->
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</div>
</div>
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<a id="ab08e7bd3ef03257f7ed951ef051db4fd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab08e7bd3ef03257f7ed951ef051db4fd">&#9670;&nbsp;</a></span>retrieve()</h2>
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<td class="memname">const list&lt; <a class="el" href="structremwharead_1_1Database_1_1entry.html">Database::entry</a> &gt; remwharead::Database::retrieve </td>
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<td>(</td>
<td class="paramtype">const time_point &amp;&#160;</td>
<td class="paramname"><em>start</em> = <code>time_point()</code>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const time_point &amp;&#160;</td>
<td class="paramname"><em>end</em> = <code>system_clock::now()</code>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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</div><div class="memdoc">
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<p>Retrieve a list of <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry.">Database::entry</a> from the database. </p>
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<dl class="section since"><dt>Since</dt><dd>0.6.0 </dd></dl>
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<div class="fragment"><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="classremwharead_1_1Database.html#a5ef85b43b21a900046b9233ee259ae7d">Database::entry</a> entrybuf;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordtype">string</span> datetime, strtags;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; Statement select(*_session);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// bind() copies the value.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; select &lt;&lt; <span class="stringliteral">&quot;SELECT * FROM remwharead WHERE datetime &quot;</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="stringliteral">&quot;BETWEEN ? AND ? ORDER BY datetime DESC;&quot;</span>,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; bind(timepoint_to_string(start, <span class="keyword">true</span>)),</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; bind(timepoint_to_string(end, <span class="keyword">true</span>)),</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; into(entrybuf.uri), into(entrybuf.archive_uri), into(datetime),</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; into(strtags), into(entrybuf.title), into(entrybuf.description),</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; into(entrybuf.fulltext), range(0, 1);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; list&lt;entry&gt; entries;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">while</span>(!select.done() &amp;&amp; select.execute() != 0)</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; entrybuf.datetime = string_to_timepoint(datetime, <span class="keyword">true</span>);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; vector&lt;string&gt; tags;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordtype">size_t</span> pos = 0;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">while</span> (pos != string::npos)</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> newpos = strtags.find(<span class="charliteral">&#39;,&#39;</span>, pos);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">const</span> <span class="keywordtype">string</span> tag = strtags.substr(pos, newpos - pos);</div><div
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<a id="ab3ea9062c5c0ef5d9f2b7eea6f0fd1bd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab3ea9062c5c0ef5d9f2b7eea6f0fd1bd">&#9670;&nbsp;</a></span>store()</h2>
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<td class="memname">void remwharead::Database::store </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structremwharead_1_1Database_1_1entry.html">entry</a> &amp;&#160;</td>
<td class="paramname"><em>data</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
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<p>Store a <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry.">Database::entry</a> in the database. </p>
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<dl class="section since"><dt>Since</dt><dd>0.6.0 </dd></dl>
<div class="fragment"><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keyword">const</span> <span class="keywordtype">string</span> strdatetime = timepoint_to_string(data.datetime, <span class="keyword">true</span>);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordtype">string</span> strtags;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; Statement insert(*_session);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;tag : data.tags)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; strtags += tag;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">if</span> (tag != *(data.tags.rbegin()))</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; strtags += <span class="stringliteral">&quot;,&quot;</span>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; }</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="comment">// useRef() uses the const reference.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; insert &lt;&lt; <span class="stringliteral">&quot;INSERT INTO remwharead &quot;</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="stringliteral">&quot;VALUES(?, ?, ?, ?, ?, ?, ?);&quot;</span>,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; useRef(data.uri), useRef(data.archive_uri),</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; useRef(strdatetime), useRef(strtags), useRef(data.title),</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; useRef(data.description), useRef(data.fulltext);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; insert.execute();</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">catch</span> (std::exception &amp;e)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; cerr &lt;&lt; <span class="stringliteral">&quot;Error in &quot;</span> &lt;&lt; __func__ &lt;&lt; <span class="stringliteral">&quot;: &quot;</span> &lt;&lt; e.what() &lt;&lt; endl;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; }</div></div><!-- fragment -->
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</div>
</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>include/<a class="el" href="sqlite_8hpp_source.html">sqlite.hpp</a></li>
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<li>src/lib/sqlite.cpp</li>
</ul>
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