sese::db::ResultSet Class Reference

Query result set. More...

#include <ResultSet.h>

Inheritance diagram for sese::db::ResultSet:

Public Types
using	Ptr = std::unique_ptr<ResultSet>

Public Member Functions
virtual	~ResultSet () noexcept=default
virtual void	reset () noexcept=0
	Locate the first query record.
virtual bool	next () noexcept=0
	Move to the next record.
virtual size_t	getColumns () const noexcept=0
	Get the number of columns in the record.
virtual int32_t	getInteger (size_t index) const noexcept=0
	Get an integer value from the current record.
virtual int64_t	getLong (size_t index) const noexcept=0
	Get a long integer value from the current record.
virtual std::string_view	getString (size_t index) const noexcept=0
	Get a string from the current record.
virtual double	getDouble (size_t index) const noexcept=0
	Get a double-precision floating-point value from the current record.
virtual float	getFloat (size_t index) const noexcept=0
	Get a single-precision floating-point value from the current record.
virtual std::optional< sese::DateTime >	getDateTime (size_t index) const noexcept=0
	Get a time data structure from the current record.
virtual bool	isNull (size_t index) const noexcept=0
	Determine if the returned result is null.

Detailed Description

Query result set.

Member Typedef Documentation

Ptr

using sese::db::ResultSet::Ptr = std::unique_ptr<ResultSet>

Constructor & Destructor Documentation

~ResultSet()

virtual sese::db::ResultSet::~ResultSet ( )

virtualdefaultnoexcept

Member Function Documentation

getColumns()

virtual size_t sese::db::ResultSet::getColumns ( ) const

nodiscardpure virtualnoexcept

Get the number of columns in the record.

Returns

Number of columns in the result set record

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

getDateTime()

virtual std::optional< sese::DateTime > sese::db::ResultSet::getDateTime ( size_t index ) const

nodiscardpure virtualnoexcept

Get a time data structure from the current record.

Parameters

index

Index

Returns

Time data structure

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

getDouble()

virtual double sese::db::ResultSet::getDouble ( size_t index ) const

nodiscardpure virtualnoexcept

Get a double-precision floating-point value from the current record.

Parameters

index

Index

Returns

Double-precision floating-point value

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

getFloat()

virtual float sese::db::ResultSet::getFloat ( size_t index ) const

nodiscardpure virtualnoexcept

Get a single-precision floating-point value from the current record.

Parameters

index

Index

Returns

Single-precision floating-point value

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

getInteger()

virtual int32_t sese::db::ResultSet::getInteger ( size_t index ) const

nodiscardpure virtualnoexcept

Get an integer value from the current record.

Parameters

index

Index

Returns

Integer value

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

getLong()

virtual int64_t sese::db::ResultSet::getLong ( size_t index ) const

nodiscardpure virtualnoexcept

Get a long integer value from the current record.

Parameters

index

Index

Returns

Long integer value

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

getString()

virtual std::string_view sese::db::ResultSet::getString ( size_t index ) const

nodiscardpure virtualnoexcept

Get a string from the current record.

Parameters

index

Index

Returns

String

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

isNull()

virtual bool sese::db::ResultSet::isNull ( size_t index ) const

nodiscardpure virtualnoexcept

Determine if the returned result is null.

Parameters

index

Index

Returns

Whether it is null

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

next()

virtual bool sese::db::ResultSet::next ( )

nodiscardpure virtualnoexcept

Move to the next record.

Returns

Whether there is a next record

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

reset()

virtual void sese::db::ResultSet::reset ( )

pure virtualnoexcept

Locate the first query record.

Implemented in sese::db::impl::MariaResultSetImpl, sese::db::impl::MariaStmtResultSet, sese::db::impl::PostgresResultSetImpl, sese::db::impl::SqliteResultSetImpl, and sese::db::impl::SqliteStmtResultSetImpl.

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The documentation for this class was generated from the following file:

• sese/db/ResultSet.h