tntdb 1.4
Classes | Public Types | Public Member Functions | List of all members
tntdb::Row Class Reference

Row represents a row, which is fetched from the database. More...

#include <row.h>

Classes

class  const_iterator
 

Public Types

typedef unsigned size_type
 
typedef Value value_type
 

Public Member Functions

 Row (IRow *row_)
 
unsigned size () const
 Returns the number of columns of this row.
 
bool empty () const
 Returns true, if this row-object has no columns.
 
Value getValue (size_type field_num) const
 Returns the field_num's value-object.
 
Value getValue (const std::string &field_name) const
 Returns the value-object by name.
 
Value operator[] (size_type field_num) const
 Returns the field_num's value-object.
 
Value operator[] (const std::string &field_name) const
 Returns the value-object by name.
 
std::string getName (size_type field_num) const
 Returns the name of the field_num's column.
 
bool isNull (size_type field_num) const
 Return true, if the specified value is null.
 
bool isNull (const std::string &field_name) const
 Return true, if the specified value is null.
 
bool getBool (size_type field_num) const
 The get-methods try to convert the value of the speicfied column to the requested type.
 
short getShort (size_type field_num) const
 
int getInt (size_type field_num) const
 
long getLong (size_type field_num) const
 
unsigned short getUnsignedShort (size_type field_num) const
 
unsigned getUnsigned (size_type field_num) const
 
unsigned long getUnsignedLong (size_type field_num) const
 
int32_t getInt32 (size_type field_num) const
 
uint32_t getUnsigned32 (size_type field_num) const
 
int64_t getInt64 (size_type field_num) const
 
uint64_t getUnsigned64 (size_type field_num) const
 
Decimal getDecimal (size_type field_num) const
 
float getFloat (size_type field_num) const
 
double getDouble (size_type field_num) const
 
char getChar (size_type field_num) const
 
std::string getString (size_type field_num) const
 
void getString (size_type field_num, std::string &ret) const
 
Blob getBlob (size_type field_num) const
 
void getBlob (size_type field_num, Blob &ret) const
 
Date getDate (size_type field_num) const
 
Time getTime (size_type field_num) const
 
Datetime getDatetime (size_type field_num) const
 
bool getBool (const std::string &field_name) const
 
short getShort (const std::string &field_name) const
 
int getInt (const std::string &field_name) const
 
long getLong (const std::string &field_name) const
 
unsigned getUnsigned (const std::string &field_name) const
 
unsigned long getUnsignedLong (const std::string &field_name) const
 
int32_t getInt32 (const std::string &field_name) const
 
uint32_t getUnsigned32 (const std::string &field_name) const
 
int64_t getInt64 (const std::string &field_name) const
 
uint64_t getUnsigned64 (const std::string &field_name) const
 
Decimal getDecimal (const std::string &field_name) const
 
float getFloat (const std::string &field_name) const
 
double getDouble (const std::string &field_name) const
 
char getChar (const std::string &field_name) const
 
std::string getString (const std::string &field_name) const
 
void getString (const std::string &field_name, std::string &ret) const
 
Blob getBlob (const std::string &field_name) const
 
void getBlob (const std::string &field_name, Blob &ret) const
 
Date getDate (const std::string &field_name) const
 
Time getTime (const std::string &field_name) const
 
Datetime getDatetime (const std::string &field_name) const
 
template<typename T >
bool getValue (size_type field_num, T &ret) const
 
const_iterator begin () const
 Returns a iterator to the first column.
 
const_iterator end () const
 Returns a iterator past the last column.
 
bool operator! () const
 Returns true, if this class is not connected to a actual databaserow.
 
const IRow * getImpl () const
 Returns the actual implementation-class.
 
RowReader reader (size_type n=0) const
 Instantiates a tntdb::RowReader with the passed initial column counter.
 
template<typename T >
RowReader get (T &ret) const
 Instantiates a tntdb::RowReader and fetches the value of the first column.
 
template<typename T >
RowReader get (T &ret, bool &nullInd) const
 Instantiates a tntdb::RowReader and fetches the value of the first column and sets the null indicator.
 

Detailed Description

Row represents a row, which is fetched from the database.

Member Function Documentation

◆ begin()

const_iterator tntdb::Row::begin ( ) const

Returns a iterator to the first column.

◆ empty()

bool tntdb::Row::empty ( ) const
inline

Returns true, if this row-object has no columns.

◆ end()

const_iterator tntdb::Row::end ( ) const

Returns a iterator past the last column.

◆ get() [1/2]

template<typename T >
RowReader tntdb::Row::get ( T &  ret) const

Instantiates a tntdb::RowReader and fetches the value of the first column.

◆ get() [2/2]

template<typename T >
RowReader tntdb::Row::get ( T &  ret,
bool &  nullInd 
) const

Instantiates a tntdb::RowReader and fetches the value of the first column and sets the null indicator.

◆ getBool()

bool tntdb::Row::getBool ( size_type  field_num) const
inline

The get-methods try to convert the value of the speicfied column to the requested type.

◆ getImpl()

const IRow * tntdb::Row::getImpl ( ) const
inline

Returns the actual implementation-class.

◆ getName()

std::string tntdb::Row::getName ( size_type  field_num) const
inline

Returns the name of the field_num's column.

◆ getValue() [1/2]

Value tntdb::Row::getValue ( const std::string &  field_name) const
inline

Returns the value-object by name.

◆ getValue() [2/2]

Value tntdb::Row::getValue ( size_type  field_num) const
inline

Returns the field_num's value-object.

◆ isNull() [1/2]

bool tntdb::Row::isNull ( const std::string &  field_name) const
inline

Return true, if the specified value is null.

◆ isNull() [2/2]

bool tntdb::Row::isNull ( size_type  field_num) const
inline

Return true, if the specified value is null.

◆ operator!()

bool tntdb::Row::operator! ( ) const
inline

Returns true, if this class is not connected to a actual databaserow.

◆ operator[]() [1/2]

Value tntdb::Row::operator[] ( const std::string &  field_name) const
inline

Returns the value-object by name.

◆ operator[]() [2/2]

Value tntdb::Row::operator[] ( size_type  field_num) const
inline

Returns the field_num's value-object.

◆ reader()

RowReader tntdb::Row::reader ( Row::size_type  n = 0) const
inline

Instantiates a tntdb::RowReader with the passed initial column counter.

◆ size()

unsigned tntdb::Row::size ( ) const
inline

Returns the number of columns of this row.

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