classdbuserfunction.html

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<hr><h1>dbUserFunction Class Reference</h1><code>#include &lt;<a class="el" href="query_8h-source.html">query.h</a>&gt;</code>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
dbUserFunction class is used to bind user defined functions to the database. This class contains list of all user functions declared by application and provides method for locating function by name and adding new user defined functions. User defined functions can have fro 0 till 3 parameters (of <code><a class="el" href="classdbUserFunctionArgument.html">dbUserFunctionArgument</a></code> type) and should return integer, boolean, real or string value. Type of the function is detected by overloaded  constructors. User defined function descriptor is cerated by <code>USER_FUNC</code> macro. 
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<hr>The documentation for this class was generated from the following file:<ul>
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