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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>MySQL++ Reference Manual</title>
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<li class="navelem"><b>mysqlpp</b></li><li class="navelem"><a class="el" href="classmysqlpp_1_1Field.html">Field</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">mysqlpp::Field Class Reference</div> </div>
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<p>Class to hold information about a SQL field.
<a href="classmysqlpp_1_1Field.html#details">More...</a></p>
<p><code>#include <<a class="el" href="field_8h_source.html">field.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:af93a6fa53e488b3566bcb1ea4908e996"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af93a6fa53e488b3566bcb1ea4908e996"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#af93a6fa53e488b3566bcb1ea4908e996">Field</a> ()</td></tr>
<tr class="memdesc:af93a6fa53e488b3566bcb1ea4908e996"><td class="mdescLeft"> </td><td class="mdescRight">Create empty object. <br/></td></tr>
<tr class="separator:af93a6fa53e488b3566bcb1ea4908e996"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a887e4566a1266e5c98be8d86eedbd548"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a887e4566a1266e5c98be8d86eedbd548"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a887e4566a1266e5c98be8d86eedbd548">Field</a> (const MYSQL_FIELD *pf)</td></tr>
<tr class="memdesc:a887e4566a1266e5c98be8d86eedbd548"><td class="mdescLeft"> </td><td class="mdescRight">Create object from C API field structure. <br/></td></tr>
<tr class="separator:a887e4566a1266e5c98be8d86eedbd548"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6833175bda71e745b6b83df585030154"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6833175bda71e745b6b83df585030154"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a6833175bda71e745b6b83df585030154">Field</a> (const <a class="el" href="classmysqlpp_1_1Field.html">Field</a> &other)</td></tr>
<tr class="memdesc:a6833175bda71e745b6b83df585030154"><td class="mdescLeft"> </td><td class="mdescRight">Create object as a copy of another <a class="el" href="classmysqlpp_1_1Field.html" title="Class to hold information about a SQL field. ">Field</a>. <br/></td></tr>
<tr class="separator:a6833175bda71e745b6b83df585030154"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abfae5bd1d80c8c2df3f3a198f586cb9a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abfae5bd1d80c8c2df3f3a198f586cb9a"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#abfae5bd1d80c8c2df3f3a198f586cb9a">auto_increment</a> () const </td></tr>
<tr class="memdesc:abfae5bd1d80c8c2df3f3a198f586cb9a"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field auto-increments. <br/></td></tr>
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<tr class="memitem:aadcd521da1c6abf551297285d9066c59"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aadcd521da1c6abf551297285d9066c59"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#aadcd521da1c6abf551297285d9066c59">binary_type</a> () const </td></tr>
<tr class="memdesc:aadcd521da1c6abf551297285d9066c59"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is of some binary type. <br/></td></tr>
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<tr class="memitem:a42f2d14810c1c89ae6a0b9a4392641eb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a42f2d14810c1c89ae6a0b9a4392641eb"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a42f2d14810c1c89ae6a0b9a4392641eb">blob_type</a> () const </td></tr>
<tr class="memdesc:a42f2d14810c1c89ae6a0b9a4392641eb"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is of some BLOB type. <br/></td></tr>
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const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#ad8c7716647ec0ecc16c500696a3afb1f">db</a> () const </td></tr>
<tr class="memdesc:ad8c7716647ec0ecc16c500696a3afb1f"><td class="mdescLeft"> </td><td class="mdescRight">Return the name of the database the field comes from. <br/></td></tr>
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<tr class="memitem:ae5278a6cb1d754ec506c2ad2421451fd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae5278a6cb1d754ec506c2ad2421451fd"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#ae5278a6cb1d754ec506c2ad2421451fd">enumeration</a> () const </td></tr>
<tr class="memdesc:ae5278a6cb1d754ec506c2ad2421451fd"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is of an enumerated value type. <br/></td></tr>
<tr class="separator:ae5278a6cb1d754ec506c2ad2421451fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2b497665a0a1cc09855562ad9ef6871d"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a2b497665a0a1cc09855562ad9ef6871d">length</a> () const </td></tr>
<tr class="memdesc:a2b497665a0a1cc09855562ad9ef6871d"><td class="mdescLeft"> </td><td class="mdescRight">Return the creation size of the field. <a href="#a2b497665a0a1cc09855562ad9ef6871d">More...</a><br/></td></tr>
<tr class="separator:a2b497665a0a1cc09855562ad9ef6871d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab72f6da6cd4a512f1d6a35a435a63ed8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab72f6da6cd4a512f1d6a35a435a63ed8"></a>
size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#ab72f6da6cd4a512f1d6a35a435a63ed8">max_length</a> () const </td></tr>
<tr class="memdesc:ab72f6da6cd4a512f1d6a35a435a63ed8"><td class="mdescLeft"> </td><td class="mdescRight">Return the maximum number of bytes stored in this field in any of the rows in the result set we were created from. <br/></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#aa1d17ae8726ddf34c1066437198f3fee">multiple_key</a> () const </td></tr>
<tr class="memdesc:aa1d17ae8726ddf34c1066437198f3fee"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is part of a key. <br/></td></tr>
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<tr class="memitem:a1ee7be4fb4104d669725f91c166bb50e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1ee7be4fb4104d669725f91c166bb50e"></a>
const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a1ee7be4fb4104d669725f91c166bb50e">name</a> () const </td></tr>
<tr class="memdesc:a1ee7be4fb4104d669725f91c166bb50e"><td class="mdescLeft"> </td><td class="mdescRight">Return the field's name. <br/></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#ad5ec7d6cb28141c547610100b8225327">primary_key</a> () const </td></tr>
<tr class="memdesc:ad5ec7d6cb28141c547610100b8225327"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is part of a primary key. <br/></td></tr>
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<tr class="memitem:ad4417c65532ff5d2d8cb9ec4d2706fcc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad4417c65532ff5d2d8cb9ec4d2706fcc"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#ad4417c65532ff5d2d8cb9ec4d2706fcc">set_type</a> () const </td></tr>
<tr class="memdesc:ad4417c65532ff5d2d8cb9ec4d2706fcc"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is of some 'set' type. <br/></td></tr>
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const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#aaaa8afad2e6ac3703e639843d97722db">table</a> () const </td></tr>
<tr class="memdesc:aaaa8afad2e6ac3703e639843d97722db"><td class="mdescLeft"> </td><td class="mdescRight">Return the name of the table the field comes from. <br/></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#ab89c227addf1acb01040de46fc021c9a">timestamp</a> () const </td></tr>
<tr class="memdesc:ab89c227addf1acb01040de46fc021c9a"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field's type is timestamp. <br/></td></tr>
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const <a class="el" href="classmysqlpp_1_1mysql__type__info.html">mysql_type_info</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a3b8594efb4685be1b0ffa34418a04c2f">type</a> () const </td></tr>
<tr class="memdesc:a3b8594efb4685be1b0ffa34418a04c2f"><td class="mdescLeft"> </td><td class="mdescRight">Return information about the field's type. <br/></td></tr>
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<tr class="memitem:a6ebf1823c21d3601b7674c865e27ad0d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6ebf1823c21d3601b7674c865e27ad0d"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a6ebf1823c21d3601b7674c865e27ad0d">unique_key</a> () const </td></tr>
<tr class="memdesc:a6ebf1823c21d3601b7674c865e27ad0d"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field is part of a unique key. <br/></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmysqlpp_1_1Field.html#a31dee697f7bd816e17ea89ad34151fba">zerofill</a> () const </td></tr>
<tr class="memdesc:a31dee697f7bd816e17ea89ad34151fba"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if field has the zerofill attribute. <br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Class to hold information about a SQL field. </p>
<p>This is a cut-down version of MYSQL_FIELD, using MySQL++ and generic C++ types instead of the C types it uses, and hiding all fields behind accessors. It leaves out data members we have decided aren't very useful. Given a good argument, we're willing to mirror more of the fields; we just don't want to mirror the underlying structure slavishly for no benefit. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">size_t mysqlpp::Field::length </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Return the creation size of the field. </p>
<p>This is the number of bytes the field can hold, not how much is actually stored in the field on any particular row. </p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="field_8h_source.html">field.h</a></li>
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