pqxxobject::update_query Class Reference

Database UPDATE query class. More...

#include <update_query.h>

Inheritance diagram for pqxxobject::update_query:

List of all members.

Public Types
typedef std::pair< std::string, std::string >	field_value
Public Member Functions
	update_query ()
	The constructor.
	update_query (const std::string &table)
	The constructor.
	update_query (const update_query &rhs)
	The copy constructor.
virtual	~update_query ()
	The destructor.
template<typename T, template< typename > class F> void	add (F< T > &field)
	Add a field to the query.
template<typename T, template< typename > class F> void	where (F< T > &field)
	Add a WHERE clause to the query.
void	where (const std::string &where_string)
	Add a WHERE clause to the query.
void	remove (const field_base &field)
	Remove a field from the query.
std::string	str () const
	Get the query as a string.
Private Attributes
std::string	m_table_name
std::list< field_value >	m_field_list
std::string	m_where

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Detailed Description

Database UPDATE query class.

Convenience class to generate a database UPDATE query string.

Definition at line 59 of file update_query.h.

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Member Typedef Documentation

typedef std::pair<std::string, std::string> pqxxobject::update_query::field_value

Definition at line 77 of file update_query.h.

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Constructor & Destructor Documentation

update_query::update_query (   )

The constructor. Definition at line 45 of file update_query.cc.

update_query::update_query (  const std::string &  table  )  [explicit]

The constructor. Parameters: table  the name of the table to update into Definition at line 53 of file update_query.cc.

update_query::update_query (  const update_query &  rhs  )

The copy constructor. Definition at line 61 of file update_query.cc.

update_query::~update_query (   )  [virtual]

The destructor. Definition at line 69 of file update_query.cc.

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Member Function Documentation

template<typename T, template< typename > class F> void pqxxobject::update_query::add (  F< T > &  field  )  [inline]

Add a field to the query. Parameters: field  the field to add. Definition at line 84 of file update_query.h. References m_field_list, and remove().

void update_query::remove (  const field_base &  field  )

Remove a field from the query. Parameters: field  the field to remove. Definition at line 74 of file update_query.cc. References pqxxobject::field_base::get_column_name(), and m_field_list. Referenced by add().

std::string update_query::str (   )  const [virtual]

Get the query as a string. Returns: the query. Implements pqxxobject::query. Definition at line 89 of file update_query.cc. References m_field_list, m_table_name, and m_where. Referenced by pqxxobject::operator<<().

void pqxxobject::update_query::where (  const std::string &  where_string  )  [inline]

Add a WHERE clause to the query. Parameters: where_string  the text of the WHERE clause. Definition at line 110 of file update_query.h. References m_where.

template<typename T, template< typename > class F> void pqxxobject::update_query::where (  F< T > &  field  )  [inline]

Add a WHERE clause to the query. Parameters: field  the field to add. Definition at line 95 of file update_query.h. References pqxxobject::query_helper< T, F >::apply(), and m_where.

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Member Data Documentation

std::list<field_value> pqxxobject::update_query::m_field_list [private]

Definition at line 129 of file update_query.h. Referenced by add(), remove(), and str().

std::string pqxxobject::update_query::m_table_name [private]

Definition at line 128 of file update_query.h. Referenced by str().

std::string pqxxobject::update_query::m_where [private]

Definition at line 130 of file update_query.h. Referenced by str(), and where().

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

• pqxxobject/update_query.h
• pqxxobject/update_query.cc

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