datetime_8h-source.html

FastDb是高效的内存数据库系统

00114         <span class="keywordflow">return</span> localtime_r((time_t*)&amp;stamp, &amp;t)-&gt;tm_sec;
00115     }
00116     <span class="keywordtype">char</span>* asString(<span class="keywordtype">char</span>* buf, <span class="keywordtype">int</span> buf_size, <span class="keywordtype">char</span> <span class="keyword">const</span>* format = <span class="stringliteral">"%c"</span>)<span class="keyword"> const </span>{ 
00117         <span class="keyword">struct </span>tm t;
00118         strftime(buf, buf_size, format, localtime_r((time_t*)&amp;stamp, &amp;t));
00119         <span class="keywordflow">return</span> buf;
00120     }
00121     <span class="keyword">static</span> dbDateTime currentDate() { 
00122         <span class="keyword">struct </span>tm t;
00123         time_t curr = time(NULL);
00124         localtime_r(&amp;curr, &amp;t);;
00125         t.tm_hour = 0;
00126         t.tm_min = 0;
00127         t.tm_sec = 0;
00128         <span class="keywordflow">return</span> dbDateTime(mktime(&amp;t));
00129     }
00130 <span class="preprocessor">#else</span>
00131 <span class="preprocessor"></span>    <span class="keywordtype">int</span> year() { 
00132         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_year + 1900;
00133     }
00134     <span class="keywordtype">int</span> month() { <span class="comment">// 1..12</span>
00135         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_mon + 1;
00136     }
00137     <span class="keywordtype">int</span> day() { <span class="comment">// 1..31</span>
00138         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_mday;
00139     }
00140     <span class="keywordtype">int</span> dayOfYear() { <span class="comment">// 1..366</span>
00141         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_yday+1;
00142     }
00143     <span class="keywordtype">int</span> dayOfWeek() { <span class="comment">// 1..7</span>
00144         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_wday+1;
00145     }
00146     <span class="keywordtype">int</span> hour() { <span class="comment">// 0..24</span>
00147         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_hour;
00148     }
00149     <span class="keywordtype">int</span> minute() { <span class="comment">// 0..59</span>
00150         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_min;
00151     }
00152     <span class="keywordtype">int</span> second() { <span class="comment">// 0..59</span>
00153         <span class="keywordflow">return</span> localtime((time_t*)&amp;stamp)-&gt;tm_sec;
00154     }
00155     <span class="keywordtype">char</span>* asString(<span class="keywordtype">char</span>* buf, <span class="keywordtype">int</span> buf_size, <span class="keywordtype">char</span> <span class="keyword">const</span>* format = <span class="stringliteral">"%c"</span>)<span class="keyword"> const </span>{ 
00156         strftime(buf, buf_size, format, localtime((time_t*)&amp;stamp));
00157         <span class="keywordflow">return</span> buf;
00158     }
00159     <span class="keyword">static</span> dbDateTime currentDate() { 
00160         time_t curr = time(NULL);
00161         <span class="keyword">struct </span>tm* tp = localtime(&amp;curr);;
00162         tp-&gt;tm_hour = 0;
00163         tp-&gt;tm_min = 0;
00164         tp-&gt;tm_sec = 0;
00165         <span class="keywordflow">return</span> dbDateTime(mktime(tp));
00166     }
00167 <span class="preprocessor">#endif    </span>
00168 <span class="preprocessor"></span>
00169     CLASS_DESCRIPTOR(dbDateTime, 
00170                      (KEY(stamp,INDEXED|HASHED), 
00171                       METHOD(year), METHOD(month), METHOD(day),
00172                       METHOD(dayOfYear), METHOD(dayOfWeek),
00173                       METHOD(hour), METHOD(minute), METHOD(second)));
00174 
00175     <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> operator == (<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00176         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00177         expr = <a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"="</span>,stamp;
00178         <span class="keywordflow">return</span> expr;
00179     }
00180     <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> operator != (<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00181         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00182         expr = <a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"&lt;&gt;"</span>,stamp;
00183         <span class="keywordflow">return</span> expr;
00184     }
00185     <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> operator &lt; (<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00186         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00187         expr = <a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"&gt;"</span>,stamp;
00188         <span class="keywordflow">return</span> expr;
00189     }
00190     <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> operator &lt;= (<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00191         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00192         expr = <a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"&gt;="</span>,stamp;
00193         <span class="keywordflow">return</span> expr;
00194     }
00195     <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> operator &gt; (<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00196         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00197         expr = <a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"&lt;"</span>,stamp;
00198         <span class="keywordflow">return</span> expr;
00199     }
00200     <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> operator &gt;= (<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00201         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00202         expr = <a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"&lt;="</span>,stamp;
00203         <span class="keywordflow">return</span> expr;
00204     }
00205     <span class="keyword">friend</span> <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> between(<span class="keywordtype">char</span> <span class="keyword">const</span>* field, dbDateTime&amp; from,
00206                                      dbDateTime&amp; till)
00207     { 
00208         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00209         expr=<a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"between"</span>,from.stamp,<span class="stringliteral">"and"</span>,till.stamp;
00210         <span class="keywordflow">return</span> expr;
00211     }
00212 
00213     <span class="keyword">static</span> <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> ascent(<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00214         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00215         expr=<a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>);
00216         <span class="keywordflow">return</span> expr;
00217     }   
00218     <span class="keyword">static</span> <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> descent(<span class="keywordtype">char</span> <span class="keyword">const</span>* field) { 
00219         <a class="code" href="classdbQueryExpression.html">dbQueryExpression</a> expr;
00220         expr=<a class="code" href="classdbComponent.html">dbComponent</a>(field,<span class="stringliteral">"stamp"</span>),<span class="stringliteral">"desc"</span>;
00221         <span class="keywordflow">return</span> expr;
00222     }   
00223 };
00224 
00225 <span class="preprocessor">#endif</span>
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