#include </data/code/userver/mysql/include/userver/storages/mysql/statement_result_set.hpp>
An interface for on-the-flight mapping statement result set from DbType into whatever type you provide without additional allocations.
DbType is expected to be either an aggregate of supported types or a supported type itself for methods taking FieldTag; DbType is expected to match DB representation - same amount of columns (1 for FieldTag overload) and matching types.
You are expected to provide a converter function T Convert(DbType&&, storages::mysql::convert:To<T>) in either T's namespace or storages::mysql::convert namespace
Definition at line 204 of file statement_result_set.hpp.
Public Member Functions | |
| MappedStatementResultSet (StatementResultSet &&result_set) | |
| template<typename T > | |
| std::vector< T > | AsVector () && |
Parse statement result set as std::vector<T> using provided converter function. See MySQL supported types for better understanding of T requirements. | |
| template<typename T > | |
| std::vector< T > | AsVector (FieldTag) && |
| Parse statement result set as std::vector<T> using provided converter function. See MySQL supported types for supported types. | |
| template<typename Container > | |
| Container | AsContainer () && |
Parse statement result set as Container<T> using provided converter function. See MySQL supported types for better understanding of Container::value_type requirements. | |
| template<typename Container > | |
| Container | AsContainer (FieldTag) && |
| Parse statement result set as Container<T> using provided converter function. See MySQL supported types for supported types. | |
| template<typename T > | |
| T | AsSingleRow () && |
| template<typename T > | |
| std::optional< T > | AsOptionalSingleRow () && |
|
explicit |
Definition at line 361 of file statement_result_set.hpp.
| Container storages::mysql::MappedStatementResultSet< DbType >::AsContainer | ( | ) | && |
Parse statement result set as Container<T> using provided converter function. See MySQL supported types for better understanding of Container::value_type requirements.
UINVARIANTs on columns count mismatch or types mismatch for DbType.
Definition at line 381 of file statement_result_set.hpp.
| Container storages::mysql::MappedStatementResultSet< DbType >::AsContainer | ( | FieldTag | ) | && |
Parse statement result set as Container<T> using provided converter function. See MySQL supported types for supported types.
UINVARIANTs on columns count not being 1 or types mismatch for DbType.
Definition at line 387 of file statement_result_set.hpp.
|
inline |
Definition at line 255 of file statement_result_set.hpp.
|
inline |
Definition at line 246 of file statement_result_set.hpp.
| std::vector< T > storages::mysql::MappedStatementResultSet< DbType >::AsVector | ( | ) | && |
Parse statement result set as std::vector<T> using provided converter function. See MySQL supported types for better understanding of T requirements.
UINVARIANTs on columns count mismatch or types mismatch for DbType.
Definition at line 369 of file statement_result_set.hpp.
| std::vector< T > storages::mysql::MappedStatementResultSet< DbType >::AsVector | ( | FieldTag | ) | && |
Parse statement result set as std::vector<T> using provided converter function. See MySQL supported types for supported types.
UINVARIANTs on columns count not being 1 or types mismatch for DbType.
Definition at line 375 of file statement_result_set.hpp.
