anch::sql::PostgreSQLResultSet Class Reference

PostgreSQL result set implementation. More...

#include <postgresqlResultSet.hpp>

Inheritance diagram for anch::sql::PostgreSQLResultSet:

Collaboration diagram for anch::sql::PostgreSQLResultSet:

Public Member Functions
	PostgreSQLResultSet (PGconn *conn) noexcept
virtual	~PostgreSQLResultSet () noexcept
virtual bool	next ()
Public Member Functions inherited from anch::sql::ResultSet
	ResultSet () noexcept
virtual	~ResultSet () noexcept
template<typename T>
bool	get (std::size_t idx, T &out)
template<typename T>
bool	get (const std::string field, T &out)
template<typename T>
std::optional< T >	get (std::size_t idx)
template<typename T>
const std::optional< T >	get (const std::string field)

Protected Member Functions
virtual bool	getValue (std::size_t idx, std::string &out) override
virtual std::optional< std::string >	getValue (std::size_t idx) override
virtual const anch::date::DateFormatter &	getDateFormatter () override
virtual const anch::date::DateFormatter &	getTimeFormatter () override
virtual const anch::date::DateFormatter &	getTimestampFormatter () override
Protected Member Functions inherited from anch::sql::ResultSet
const anch::date::DateFormatter &	getDefaultDateFormatter ()
const anch::date::DateFormatter &	getDefaultTimeFormatter ()
const anch::date::DateFormatter &	getDefaultTimestampFormatter ()

Additional Inherited Members
Protected Attributes inherited from anch::sql::ResultSet
std::map< std::string, std::size_t >	_fields

Detailed Description

PostgreSQL result set implementation.

Implements ResultSet for PostgreSQL

Author

Vincent Lachenal

Since

0.1

Constructor & Destructor Documentation

PostgreSQLResultSet()

anch::sql::PostgreSQLResultSet::PostgreSQLResultSet ( PGconn * conn )

noexcept

PostgreSQLResultSet constructor

Parameters

conn	the PostgreSQL database connection

~PostgreSQLResultSet()

virtual anch::sql::PostgreSQLResultSet::~PostgreSQLResultSet ( )

virtualnoexcept

PostgreSQLResultSet destructor

Member Function Documentation

getDateFormatter()

virtual const anch::date::DateFormatter & anch::sql::PostgreSQLResultSet::getDateFormatter ( )

overrideprotectedvirtual

Retrieve SQL date formatter

Returns

the SQL date formatter

Implements anch::sql::ResultSet.

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getTimeFormatter()

virtual const anch::date::DateFormatter & anch::sql::PostgreSQLResultSet::getTimeFormatter ( )

overrideprotectedvirtual

Retrieve SQL time formatter

Returns

the SQL time formatter

Implements anch::sql::ResultSet.

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getTimestampFormatter()

virtual const anch::date::DateFormatter & anch::sql::PostgreSQLResultSet::getTimestampFormatter ( )

overrideprotectedvirtual

Retrieve SQL timestamp formatter

Returns

the SQL timestamp formatter

Implements anch::sql::ResultSet.

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getValue() [1/2]

virtual std::optional< std::string > anch::sql::PostgreSQLResultSet::getValue ( std::size_t idx )

overrideprotectedvirtual

Retrieve string value from result set according to SQL database engine.

Parameters

idx

the index

Returns

the result

Exceptions

SqlException

any error

Implements anch::sql::ResultSet.

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getValue() [2/2]

virtual bool anch::sql::PostgreSQLResultSet::getValue ( std::size_t idx, std::string & out )

overrideprotectedvirtual

Retrieve string value from result set according to SQL database engine.

Parameters

idx	the field index
out	the result

Exceptions

SqlException

any error

Implements anch::sql::ResultSet.

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next()

virtual bool anch::sql::PostgreSQLResultSet::next ( )

virtual

Fetch next row in SQL result set.

Returns

true if next row exists, false otherwise

Exceptions

SqlException

any error

Implements anch::sql::ResultSet.

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

• anch-sql/postgresql/inc/sql/postgresqlResultSet.hpp