Implement our own database ORM, and update the whole code to use it
Entirely replace LiteSQL fix #3271
This commit is contained in:
@@ -0,0 +1,84 @@
|
||||
#pragma once
|
||||
|
||||
#include <database/select_query.hpp>
|
||||
#include <database/type_to_sql.hpp>
|
||||
#include <logger/logger.hpp>
|
||||
#include <database/row.hpp>
|
||||
|
||||
#include <algorithm>
|
||||
#include <string>
|
||||
|
||||
template <typename... T>
|
||||
class Table
|
||||
{
|
||||
static_assert(sizeof...(T) > 0, "Table cannot be empty");
|
||||
using ColumnTypes = std::tuple<T...>;
|
||||
|
||||
public:
|
||||
using RowType = Row<T...>;
|
||||
|
||||
Table(std::string name):
|
||||
name(std::move(name))
|
||||
{}
|
||||
|
||||
void create(sqlite3* db)
|
||||
{
|
||||
std::string res{"CREATE TABLE IF NOT EXISTS "};
|
||||
res += this->name;
|
||||
res += " (\n";
|
||||
this->add_column_create<0>(res);
|
||||
res += ")";
|
||||
|
||||
log_debug(res);
|
||||
|
||||
char* error;
|
||||
const auto result = sqlite3_exec(db, res.data(), nullptr, nullptr, &error);
|
||||
log_debug("result: ", +result);
|
||||
if (result != SQLITE_OK)
|
||||
{
|
||||
log_error("Error executing query: ", error);
|
||||
sqlite3_free(error);
|
||||
}
|
||||
}
|
||||
|
||||
RowType row()
|
||||
{
|
||||
return {this->name};
|
||||
}
|
||||
|
||||
SelectQuery<T...> select()
|
||||
{
|
||||
SelectQuery<T...> select(this->name);
|
||||
return select;
|
||||
}
|
||||
|
||||
const std::string& get_name() const
|
||||
{
|
||||
return this->name;
|
||||
}
|
||||
|
||||
private:
|
||||
template <std::size_t N>
|
||||
typename std::enable_if<N < sizeof...(T), void>::type
|
||||
add_column_create(std::string& str)
|
||||
{
|
||||
using ColumnType = typename std::remove_reference<decltype(std::get<N>(std::declval<ColumnTypes>()))>::type;
|
||||
using RealType = typename ColumnType::real_type;
|
||||
str += ColumnType::name;
|
||||
str += " ";
|
||||
str += TypeToSQLType<RealType>::type;
|
||||
str += " "s + ColumnType::options;
|
||||
if (N != sizeof...(T) - 1)
|
||||
str += ",";
|
||||
str += "\n";
|
||||
|
||||
add_column_create<N+1>(str);
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
typename std::enable_if<N == sizeof...(T), void>::type
|
||||
add_column_create(std::string&)
|
||||
{ }
|
||||
|
||||
const std::string name;
|
||||
};
|
||||
Reference in New Issue
Block a user