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udf_extension_test_functions.cc
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/* Copyright (c) 2019, 2024, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "udf_extension_test_functions.h"
#include <string>
#include "test_udf_extension.h"
using namespace udf_ext;
namespace {
/**
Helper method that calls the UDF initializer function set in the function
pointer. It helps keep the UDF init function definition tidy.
*/
bool init(UDF_INIT *initid, UDF_ARGS *args, char *message,
const int expected_arguments, Type type,
bool (*function)(UDF_INIT *initid, UDF_ARGS *args,
const size_t expected_arg_count, Type type)) {
if (function(initid, args, expected_arguments, type)) {
strcpy(message, Test_udf_charset::get_last_error().c_str());
return true;
}
return false;
}
/**
Helper method that calls the UDF execute function set in the function
pointer. It helps keep the UDF init function definition tidy.
*/
char *execute(UDF_INIT *initid, UDF_ARGS *args, char *result,
unsigned long *length, unsigned char *is_null,
unsigned char *error,
bool (*function)(UDF_INIT *, UDF_ARGS *, char **,
unsigned long &)) {
if ((*function)(initid, args, &result, *length)) {
*is_null = 1;
*error = 1;
result = nullptr;
} else {
*is_null = 0;
*error = 0;
}
return result;
}
} // namespace
PLUGIN_EXPORT bool test_result_charset_init(UDF_INIT *initid, UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::charset,
Test_udf_charset::prepare_return_udf);
}
PLUGIN_EXPORT char *test_result_charset(UDF_INIT *initid, UDF_ARGS *args,
char *result, unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset::run_return_udf);
}
PLUGIN_EXPORT bool test_args_charset_init(UDF_INIT *initid, UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::charset,
Test_udf_charset::prepare_args_udf);
}
PLUGIN_EXPORT char *test_args_charset(UDF_INIT *initid, UDF_ARGS *args,
char *result, unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset::run_args_udf);
}
PLUGIN_EXPORT bool test_result_collation_init(UDF_INIT *initid, UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::collation,
Test_udf_charset::prepare_return_udf);
}
PLUGIN_EXPORT char *test_result_collation(UDF_INIT *initid, UDF_ARGS *args,
char *result, unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset::run_return_udf);
}
PLUGIN_EXPORT bool test_args_collation_init(UDF_INIT *initid, UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::collation,
Test_udf_charset::prepare_args_udf);
}
PLUGIN_EXPORT char *test_args_collation(UDF_INIT *initid, UDF_ARGS *args,
char *result, unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset::run_args_udf);
}
PLUGIN_EXPORT bool test_result_charset_with_value_init(UDF_INIT *initid,
UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::charset,
Test_udf_charset_const_value::prepare_return_udf);
}
PLUGIN_EXPORT char *test_result_charset_with_value(UDF_INIT *initid,
UDF_ARGS *args, char *result,
unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset::run_return_udf);
}
PLUGIN_EXPORT bool test_args_charset_with_value_init(UDF_INIT *initid,
UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::charset,
Test_udf_charset_const_value::prepare_args_udf);
}
PLUGIN_EXPORT char *test_args_charset_with_value(UDF_INIT *initid,
UDF_ARGS *args, char *result,
unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset_const_value::run_args_udf);
}
PLUGIN_EXPORT bool test_result_collation_with_value_init(UDF_INIT *initid,
UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::collation,
Test_udf_charset_const_value::prepare_return_udf);
}
PLUGIN_EXPORT char *test_result_collation_with_value(
UDF_INIT *initid, UDF_ARGS *args, char *result, unsigned long *length,
unsigned char *is_null, unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset_const_value::run_return_udf);
}
PLUGIN_EXPORT bool test_args_collation_with_value_init(UDF_INIT *initid,
UDF_ARGS *args,
char *message) {
return init(initid, args, message, 2, Type::collation,
Test_udf_charset_const_value::prepare_args_udf);
}
PLUGIN_EXPORT char *test_args_collation_with_value(UDF_INIT *initid,
UDF_ARGS *args, char *result,
unsigned long *length,
unsigned char *is_null,
unsigned char *error) {
return execute(initid, args, result, length, is_null, error,
Test_udf_charset_const_value::run_args_udf);
}
/* ---------------------- UDF(s) denit methods ------------------------------ */
PLUGIN_EXPORT void test_result_charset_deinit(UDF_INIT *initid) {
Test_udf_charset::deinit(initid);
}
PLUGIN_EXPORT void test_args_charset_deinit(UDF_INIT *initid) {
Test_udf_charset::deinit(initid);
}
PLUGIN_EXPORT void test_result_collation_deinit(UDF_INIT *initid) {
Test_udf_charset::deinit(initid);
}
PLUGIN_EXPORT void test_args_collation_deinit(UDF_INIT *initid) {
Test_udf_charset::deinit(initid);
}
PLUGIN_EXPORT void test_result_charset_with_value_deinit(UDF_INIT *initid) {
Test_udf_charset_const_value::deinit(initid);
}
PLUGIN_EXPORT void test_args_charset_with_value_deinit(UDF_INIT *initid) {
Test_udf_charset_const_value::deinit(initid);
}
PLUGIN_EXPORT void test_result_collation_with_value_deinit(UDF_INIT *initid) {
Test_udf_charset_const_value::deinit(initid);
}
PLUGIN_EXPORT void test_args_collation_with_value_deinit(UDF_INIT *initid) {
Test_udf_charset_const_value::deinit(initid);
}