diff options
Diffstat (limited to 'src/database/select_query.hpp')
| -rw-r--r-- | src/database/select_query.hpp | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/database/select_query.hpp b/src/database/select_query.hpp index 743a011..3013dd8 100644 --- a/src/database/select_query.hpp +++ b/src/database/select_query.hpp @@ -3,8 +3,8 @@ #include <database/engine.hpp> #include <database/statement.hpp> +#include <utils/datetime.hpp> #include <database/query.hpp> -#include <logger/logger.hpp> #include <database/row.hpp> #include <utils/optional_bool.hpp> @@ -41,6 +41,14 @@ extract_row_value(Statement& statement, const int i) return result; } +template <typename T> +typename std::enable_if<std::is_same<DateTime, T>::value, T>::type +extract_row_value(Statement& statement, const int i) +{ + const std::string timestamp = statement.get_column_text(i); + return {timestamp}; +} + template <std::size_t N=0, typename... T> typename std::enable_if<N < sizeof...(T), void>::type extract_row_values(Row<T...>& row, Statement& statement) @@ -58,6 +66,18 @@ typename std::enable_if<N == sizeof...(T), void>::type extract_row_values(Row<T...>&, Statement&) {} +template <typename ColumnType> +std::string before_column() +{ + return {}; +} + +template <typename ColumnType> +std::string after_column() +{ + return {}; +} + template <typename... T> struct SelectQuery: public Query { @@ -76,7 +96,8 @@ struct SelectQuery: public Query using ColumnsType = std::tuple<T...>; using ColumnType = typename std::remove_reference<decltype(std::get<N>(std::declval<ColumnsType>()))>::type; - this->body += " " + std::string{ColumnType::name}; + this->body += " "; + this->body += before_column<ColumnType>() + ColumnType::name + after_column<ColumnType>(); if (N < (sizeof...(T) - 1)) this->body += ", "; |