92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
#pragma once
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#include <biboumi.h>
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#include <utils/optional_bool.hpp>
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#include <database/statement.hpp>
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#include <database/column.hpp>
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#include <logger/logger.hpp>
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#include <vector>
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#include <string>
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void actual_bind(Statement& statement, const std::string& value, int index);
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void actual_bind(Statement& statement, const std::int64_t value, int index);
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void actual_bind(Statement& statement, const std::size_t value, int index);
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void actual_bind(Statement& statement, const int value, int index);
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void actual_bind(Statement& statement, const OptionalBool& value, int index);
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#ifdef DEBUG_SQL_QUERIES
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#include <utils/scopetimer.hpp>
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inline auto make_sql_timer()
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{
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return make_scope_timer([](const std::chrono::steady_clock::duration& elapsed)
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{
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const auto seconds = std::chrono::duration_cast<std::chrono::seconds>(elapsed);
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const auto rest = elapsed - seconds;
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log_debug("Query executed in ", seconds.count(), ".", rest.count(), "s.");
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});
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}
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#endif
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struct Query
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{
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std::string body;
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std::vector<std::string> params;
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int current_param{1};
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Query(std::string str):
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body(std::move(str))
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{}
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#ifdef DEBUG_SQL_QUERIES
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auto log_and_time()
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{
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std::ostringstream os;
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os << this->body << "; ";
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for (const auto& param: this->params)
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os << "'" << param << "' ";
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log_debug("SQL QUERY: ", os.str());
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return make_sql_timer();
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}
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#endif
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};
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template <typename ColumnType>
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void add_param(Query& query, const ColumnType& column)
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{
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std::cout << "add_param<ColumnType>" << std::endl;
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actual_add_param(query, column.value);
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}
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template <typename T>
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void actual_add_param(Query& query, const T& val)
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{
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query.params.push_back(std::to_string(val));
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}
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void actual_add_param(Query& query, const std::string& val);
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void actual_add_param(Query& query, const OptionalBool& val);
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template <typename T>
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typename std::enable_if<!std::is_integral<T>::value, Query&>::type
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operator<<(Query& query, const T&)
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{
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query.body += T::name;
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return query;
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}
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Query& operator<<(Query& query, const char* str);
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Query& operator<<(Query& query, const std::string& str);
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template <typename Integer>
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typename std::enable_if<std::is_integral<Integer>::value, Query&>::type
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operator<<(Query& query, const Integer& i)
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{
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query.body += "$" + std::to_string(query.current_param++);
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actual_add_param(query, i);
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return query;
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}
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