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oci的源码,可以在任何平台上编译,相当方便实用

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          <td class="memname">OCI_EXPORT boolean OCI_API OCI_IntervalFromText           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_c_i___interval.html">OCI_Interval</a> *&nbsp;</td>
          <td class="paramname"> <em>itv</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const mtext *&nbsp;</td>
          <td class="paramname"> <em>str</em></td><td>&nbsp;</td>
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<p>
Convert a string to an interval and store it in the given interval handle. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>itv</em>&nbsp;</td><td>- Destination interval handle </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>str</em>&nbsp;</td><td>- Source date string</td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>TRUE on success otherwise FALSE </dd></dl>

<p>Definition at line <a class="el" href="interval_8c-source.html#l00295">295</a> of file <a class="el" href="interval_8c-source.html">interval.c</a>.</p>

<p>References <a class="el" href="ocilib__types_8h-source.html#l00532">OCI_Interval::con</a>, <a class="el" href="ocilib__types_8h-source.html#l00533">OCI_Interval::err</a>, and <a class="el" href="ocilib__types_8h-source.html#l00527">OCI_Interval::handle</a>.</p>

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<a class="anchor" name="g144fa5b4841b3a8ebced991c3639ba00"></a><!-- doxytag: member="ocilib.h::OCI_IntervalFromTimeZone" ref="g144fa5b4841b3a8ebced991c3639ba00" args="(OCI_Interval *itv, const mtext *str)" -->
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          <td class="memname">OCI_EXPORT boolean OCI_API OCI_IntervalFromTimeZone           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_c_i___interval.html">OCI_Interval</a> *&nbsp;</td>
          <td class="paramname"> <em>itv</em>, </td>
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          <td class="paramtype">const mtext *&nbsp;</td>
          <td class="paramname"> <em>str</em></td><td>&nbsp;</td>
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<p>
Correct an interval handle value with the given time zone. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>itv</em>&nbsp;</td><td>- Interval handle </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>str</em>&nbsp;</td><td>- Time zone name</td></tr>
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</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>TRUE on success otherwise FALSE </dd></dl>

<p>Definition at line <a class="el" href="interval_8c-source.html#l00396">396</a> of file <a class="el" href="interval_8c-source.html">interval.c</a>.</p>

<p>References <a class="el" href="ocilib__types_8h-source.html#l00532">OCI_Interval::con</a>, <a class="el" href="ocilib__types_8h-source.html#l00533">OCI_Interval::err</a>, and <a class="el" href="ocilib__types_8h-source.html#l00527">OCI_Interval::handle</a>.</p>

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<a class="anchor" name="g165e94c916375ea604737a2348c4d83b"></a><!-- doxytag: member="ocilib.h::OCI_IntervalGetDaySecond" ref="g165e94c916375ea604737a2348c4d83b" args="(OCI_Interval *itv, int *day, int *hour, int *min, int *sec, int *fsec)" -->
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          <td class="memname">OCI_EXPORT boolean OCI_API OCI_IntervalGetDaySecond           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_c_i___interval.html">OCI_Interval</a> *&nbsp;</td>
          <td class="paramname"> <em>itv</em>, </td>
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          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>day</em>, </td>
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          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>hour</em>, </td>
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          <td></td>
          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>min</em>, </td>
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          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>sec</em>, </td>
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          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>fsec</em></td><td>&nbsp;</td>
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<p>
Return the day / time portion of an interval handle. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>itv</em>&nbsp;</td><td>- Interval handle </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>day</em>&nbsp;</td><td>- Place holder for day value </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>hour</em>&nbsp;</td><td>- Place holder for hours value </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>min</em>&nbsp;</td><td>- Place holder for minutes value </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>sec</em>&nbsp;</td><td>- Place holder for seconds value </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>fsec</em>&nbsp;</td><td>- Place holder for fractional part of seconds value</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>TRUE on success otherwise FALSE </dd></dl>

<p>Definition at line <a class="el" href="interval_8c-source.html#l00438">438</a> of file <a class="el" href="interval_8c-source.html">interval.c</a>.</p>

<p>References <a class="el" href="ocilib__types_8h-source.html#l00532">OCI_Interval::con</a>, <a class="el" href="ocilib__types_8h-source.html#l00533">OCI_Interval::err</a>, and <a class="el" href="ocilib__types_8h-source.html#l00527">OCI_Interval::handle</a>.</p>

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<a class="anchor" name="g29704a6c17b3938c63988edc6364907e"></a><!-- doxytag: member="ocilib.h::OCI_IntervalGetType" ref="g29704a6c17b3938c63988edc6364907e" args="(OCI_Interval *itv)" -->
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          <td class="memname">OCI_EXPORT unsigned int OCI_API OCI_IntervalGetType           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_c_i___interval.html">OCI_Interval</a> *&nbsp;</td>
          <td class="paramname"> <em>itv</em>          </td>
          <td>&nbsp;)&nbsp;</td>
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<p>
Return the type of the given Interval object. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>itv</em>&nbsp;</td><td>- Interval handle</td></tr>
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</dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>For possible values, see <a class="el" href="group__g__timestamp.html#g4748278cf01c5e927137ce3342038fd7" title="Create a local interval object.">OCI_IntervalCreate()</a></dd></dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Object type or OCI_UNKNOWN the input handle is NULL </dd></dl>

<p>Definition at line <a class="el" href="interval_8c-source.html#l00188">188</a> of file <a class="el" href="interval_8c-source.html">interval.c</a>.</p>

<p>References <a class="el" href="ocilib__types_8h-source.html#l00532">OCI_Interval::con</a>, and <a class="el" href="ocilib__types_8h-source.html#l00534">OCI_Interval::type</a>.</p>

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<a class="anchor" name="gf0632925b430ad8ff145e29936b7b592"></a><!-- doxytag: member="ocilib.h::OCI_IntervalGetYearMonth" ref="gf0632925b430ad8ff145e29936b7b592" args="(OCI_Interval *itv, int *year, int *month)" -->
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          <td class="memname">OCI_EXPORT boolean OCI_API OCI_IntervalGetYearMonth           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct_o_c_i___interval.html">OCI_Interval</a> *&nbsp;</td>
          <td class="paramname"> <em>itv</em>, </td>
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          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>year</em>, </td>
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          <td class="paramtype">int *&nbsp;</td>
          <td class="paramname"> <em>month</em></td><td>&nbsp;</td>
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