added mysql backend

2023-12-17 22:11:43 +01:00
parent 2893f749b6
commit 320d06bb20
39 changed files with 1272 additions and 46 deletions
@@ -0,0 +1,186 @@
+#include "mysql_parameter_binder.hpp"
+
+namespace matador::backends::mysql {
+
+namespace detail {
+
+template < class T >
+void bind_value(enum_field_types type, T value, MYSQL_BIND &bind, my_bool &is_null)
+{
+  if (bind.buffer == nullptr) {
+    // allocating memory
+    bind.buffer = new char[sizeof(T)];
+    bind.buffer_type = type;
+    bind.buffer_length = sizeof(T);
+    bind.is_null = &is_null;
+    bind.is_unsigned = std::is_unsigned<T>::value;
+  }
+  *static_cast<T*>(bind.buffer) = value;
+  is_null = false;
+}
+
+void bind_value(enum_field_types type, const char *value, size_t, MYSQL_BIND &bind, my_bool &is_null)
+{
+  std::size_t len(strlen(value) + 1);
+  if (bind.buffer_length < len) {
+    // reallocate memory
+    delete [] static_cast<char*>(bind.buffer);
+    bind.buffer = nullptr;
+    bind.buffer_length = 0;
+    bind.buffer_type = type;
+    bind.is_null = &is_null;
+  }
+  if (bind.buffer == nullptr) {
+    // allocating memory
+    bind.buffer = new char[len];
+    memset(bind.buffer, 0, len);
+  }
+  bind.buffer_length = (unsigned long)(len - 1);
+#ifdef _MSC_VER
+  strncpy_s(static_cast<char*>(bind.buffer), len, value, _TRUNCATE);
+#else
+  strncpy(static_cast<char*>(bind.buffer), value, len);
+#endif
+  is_null = false;
+}
+
+//void bind_value(enum_field_types type, const matador::date &x, MYSQL_BIND &bind, my_bool &is_null)
+//{
+//  if (bind.buffer == nullptr) {
+//    size_t s = sizeof(MYSQL_TIME);
+//    bind.buffer = new char[s];
+//    bind.buffer_length = (unsigned long)s;
+//    bind.is_null = &is_null;
+//    bind.buffer_type = type;
+//    bind.length = nullptr;
+//  }
+//  memset(bind.buffer, 0, sizeof(MYSQL_TIME));
+//  is_null = false;
+//  auto *mt = static_cast<MYSQL_TIME*>(bind.buffer);
+//  mt->day = (unsigned int)x.day();
+//  mt->month = (unsigned int)x.month();
+//  mt->year = (unsigned int)x.year();
+//  mt->time_type  = MYSQL_TIMESTAMP_DATE;
+//}
+//
+//void bind_value(enum_field_types type, const matador::time &x, MYSQL_BIND &bind, my_bool &is_null)
+//{
+//  if (bind.buffer == nullptr) {
+//    size_t s = sizeof(MYSQL_TIME);
+//    bind.buffer = new char[s];
+//    bind.buffer_length = (unsigned long)s;
+//    bind.buffer_type = type;
+//    bind.length = nullptr;
+//    bind.is_null = &is_null;
+//  }
+//  memset(bind.buffer, 0, sizeof(MYSQL_TIME));
+//  is_null = false;
+//  auto *mt = static_cast<MYSQL_TIME*>(bind.buffer);
+//  mt->day = (unsigned int)x.day();
+//  mt->month = (unsigned int)x.month();
+//  mt->year = (unsigned int)x.year();
+//  mt->hour = (unsigned int)x.hour();
+//  mt->minute = (unsigned int)x.minute();
+//  mt->second = (unsigned int)x.second();
+//  mt->second_part = (unsigned long)x.milli_second() * 1000;
+//  mt->time_type  = MYSQL_TIMESTAMP_DATETIME;
+//}
+
+}
+
+mysql_parameter_binder::mysql_parameter_binder(size_t size)
+: bind_params_(size)
+, info_(size)
+{}
+
+void mysql_parameter_binder::bind(size_t pos, char i)
+{
+  detail::bind_value(MYSQL_TYPE_TINY, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, short i)
+{
+  detail::bind_value(MYSQL_TYPE_SHORT, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, int i)
+{
+  detail::bind_value(MYSQL_TYPE_LONG, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, long i)
+{
+  detail::bind_value(MYSQL_TYPE_LONG, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, long long int i)
+{
+  detail::bind_value(MYSQL_TYPE_LONGLONG, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, unsigned char i)
+{
+  detail::bind_value(MYSQL_TYPE_TINY, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, unsigned short i)
+{
+  detail::bind_value(MYSQL_TYPE_SHORT, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, unsigned int i)
+{
+  detail::bind_value(MYSQL_TYPE_LONG, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, unsigned long i)
+{
+  detail::bind_value(MYSQL_TYPE_LONG, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, unsigned long long int i)
+{
+  detail::bind_value(MYSQL_TYPE_LONGLONG, i, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, bool b)
+{
+  detail::bind_value(MYSQL_TYPE_TINY, b, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, float d)
+{
+  detail::bind_value(MYSQL_TYPE_FLOAT, d, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, double d)
+{
+  detail::bind_value(MYSQL_TYPE_DOUBLE, d, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, const char *str)
+{
+  detail::bind_value(MYSQL_TYPE_STRING, str, strlen(str), bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, const char *str, size_t size)
+{
+  detail::bind_value(MYSQL_TYPE_VAR_STRING, str, size, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, const std::string &str)
+{
+  detail::bind_value(MYSQL_TYPE_STRING, str.data(), str.size(), bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+void mysql_parameter_binder::bind(size_t pos, const std::string &str, size_t size)
+{
+  detail::bind_value(MYSQL_TYPE_VAR_STRING, str.data(), size, bind_params_[pos], is_null_vector[pos].is_null);
+}
+
+std::vector<MYSQL_BIND> &mysql_parameter_binder::bind_params()
+{
+  return bind_params_;
+}
+
+}