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MCOL-869 UDAF with other aggregate gives wrong answer

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This commit is contained in:
David Hall
2017-08-11 12:46:19 -05:00
parent 58e8a8480e
commit 4eafaa8682
7 changed files with 98 additions and 25 deletions
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69
utils/udfsdk/udfmysql.cpp
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@ -401,6 +401,75 @@ long long median(UDF_INIT* initid, UDF_ARGS* args __attribute__((unused)),
return 0;
}
/**
* avg_mode connector stub
*/
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool avg_mode_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
if (args->arg_count != 1)
{
strcpy(message,"avg_mode() requires one argument");
return 1;
}
/*
if (!(data = (struct ssq_data*) malloc(sizeof(struct ssq_data))))
{
strmov(message,"Couldn't allocate memory");
return 1;
}
data->sumsq = 0;
initid->ptr = (char*)data;
*/
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void avg_mode_deinit(UDF_INIT* initid)
{
// free(initid->ptr);
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void
avg_mode_clear(UDF_INIT* initid, char* is_null __attribute__((unused)),
char* message __attribute__((unused)))
{
// struct ssq_data* data = (struct ssq_data*)initid->ptr;
// data->sumsq = 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void
avg_mode_add(UDF_INIT* initid, UDF_ARGS* args,
char* is_null,
char* message __attribute__((unused)))
{
// struct ssq_data* data = (struct ssq_data*)initid->ptr;
// double val = cvtArgToDouble(args->arg_type[0], args->args[0]);
// data->sumsq = val*val;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
long long avg_mode(UDF_INIT* initid, UDF_ARGS* args __attribute__((unused)),
char* is_null, char* error __attribute__((unused)))
{
// struct ssq_data* data = (struct ssq_data*)initid->ptr;
// return data->sumsq;
return 0;
}
}
// vim:ts=4 sw=4: