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MCOL-523 Add UDAF and UDAnF SDK

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This commit is contained in:
David Hall
2017-07-26 11:53:08 -05:00
parent 630b113565
commit bc2a4e7795
75 changed files with 10250 additions and 4523 deletions
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228
utils/udfsdk/udfmysql.cpp Normal file → Executable file
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@ -168,13 +168,239 @@ void mcs_isnull_deinit(UDF_INIT* initid)
}
#ifdef _MSC_VER
__declspec(dllexport)
__declspec(dllexport)f
#endif
long long mcs_isnull(UDF_INIT *initid, UDF_ARGS *args, char *is_null, char *error)
{
return 0;
}
/**
* ALLNULL connector stub
*/
struct allnull_data
{
ulonglong totalQuantity;
ulonglong totalNulls;
};
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool allnull_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
struct allnull_data* data;
// if (args->arg_count != 1)
// {
// strcpy(message,"allnull() requires one argument");
// return 1;
// }
if (!(data = (struct allnull_data*) malloc(sizeof(struct allnull_data))))
{
strmov(message,"Couldn't allocate memory");
return 1;
}
data->totalQuantity = 0;
data->totalNulls = 0;
initid->ptr = (char*)data;
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void allnull_deinit(UDF_INIT* initid)
{
free(initid->ptr);
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
long long allnull(UDF_INIT* initid, UDF_ARGS* args __attribute__((unused)),
char* is_null, char* error __attribute__((unused)))
{
struct allnull_data* data = (struct allnull_data*)initid->ptr;
return data->totalQuantity > 0 && data->totalNulls == data->totalQuantity;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void
allnull_clear(UDF_INIT* initid, char* is_null __attribute__((unused)),
char* message __attribute__((unused)))
{
struct allnull_data* data = (struct allnull_data*)initid->ptr;
data->totalQuantity = 0;
data->totalNulls = 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void
allnull_add(UDF_INIT* initid, UDF_ARGS* args,
char* is_null,
char* message __attribute__((unused)))
{
struct allnull_data* data = (struct allnull_data*)initid->ptr;
const char *word=args->args[0];
data->totalQuantity++;
if (!word)
{
data->totalNulls++;
}
}
/**
* SSQ connector stub
*/
struct ssq_data
{
double sumsq;
};
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool ssq_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
struct ssq_data* data;
if (args->arg_count != 1)
{
strcpy(message,"ssq() 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 ssq_deinit(UDF_INIT* initid)
{
free(initid->ptr);
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void
ssq_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
ssq_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 ssq(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;
}
//=======================================================================
/**
* MEDIAN connector stub
*/
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool median_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
if (args->arg_count != 1)
{
strcpy(message,"median() 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 median_deinit(UDF_INIT* initid)
{
// free(initid->ptr);
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void
median_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
median_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 median(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: