sqlite3_overload_function

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References

int sqlite3_overload_function  
(  
    sqlite3 *,  
    const char * zFuncName,  
    int nArg  
)  
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int sqlite3_overload_function (     sqlite3 *,     const char * zFuncName,     int nArg )

Remarks

CAPI3REF: Overload A Function For A Virtual Table METHOD: sqlite3

^(Virtual tables can provide alternative implementations of functions using the [xFindFunction] method of the [virtual table module]. But global versions of those functions must exist in order to be overloaded.)^

^(This API makes sure a global version of a function with a particular name and number of parameters exists. If no such function exists before this API is called, a new function is created.)^ ^The implementation of the new function always causes an exception to be thrown. So the new function is not good for anything by itself. Its only purpose is to be a placeholder function that can be overloaded by a [virtual table].