CL_DBReader Class Reference

Database reader. More...

#include <db_reader.h>

Public Member Functions
Construction
	CL_DBReader ()
	Constructs a database reader. More...
	CL_DBReader (const CL_SharedPtr< CL_DBReader_Impl > &impl)
	Constructs a DBReader. More...
	~CL_DBReader ()
Attributes
int	get_column_count () const
	Returns the number of columns in the result set. More...
CL_String	get_column_name (int index) const
	Returns the name of the specified column index. More...
int	get_name_index (const CL_StringRef &name) const
	Returns the index of the specified column name. More...
CL_DBValue	get_column_value (int index) const
	Retrieves the value of the specified column. More...
CL_DBValue	get_column_value (const CL_StringRef &name) const
	Retrieves the value of the specified column name. More...
CL_String	get_column_string (int index) const
	Retrieves the value of the specified column as a string. More...
bool	get_column_bool (int index) const
	Retrieves the value of the specified column as a boolean. More...
int	get_column_int (int index) const
	Retrieves the value of the specified column as an integer. More...
double	get_column_double (int index) const
	Retrieves the value of the specified column as a double. More...
CL_DateTime	get_column_datetime (int index) const
	Retrieves the value of the specified column as a CL_DateTime. More...
CL_DataBuffer	get_column_binary (int index) const
	Retrieves the value of the specified column as a CL_DataBuffer. More...
CL_String	get_column_string (const CL_StringRef &column_name) const
	Retrieves the value of the specified column as a string. More...
bool	get_column_bool (const CL_StringRef &column_name) const
	Retrieves the value of the specified column as a boolean. More...
int	get_column_int (const CL_StringRef &column_name) const
	Retrieves the value of the specified column as an integer. More...
double	get_column_double (const CL_StringRef &column_name) const
	Retrieves the value of the specified column as a double. More...
CL_DateTime	get_column_datetime (const CL_StringRef &column_name) const
	Retrieves the value of the specified column as a CL_DateTime. More...
CL_DataBuffer	get_column_binary (const CL_StringRef &column_name) const
	Retrieves the value of the specified column as a CL_DataBuffer. More...
CL_DBReaderProvider *	get_provider ()
	Returns the provider interface for this reader. More...
Operations
bool	retrieve_row ()
	Retrieves a row from the command execution result. More...
void	close ()
	Closes the database reader. More...

Detailed Description

Database reader.

Constructor & Destructor Documentation

CL_DBReader::CL_DBReader

(

)

Constructs a database reader.

CL_DBReader::CL_DBReader

(

const CL_SharedPtr< CL_DBReader_Impl > &

impl)

Constructs a DBReader.

Parameters

impl	= Shared Ptr

CL_DBReader::~CL_DBReader

(

)

Member Function Documentation

void CL_DBReader::close

(

)

Closes the database reader.

CL_DataBuffer CL_DBReader::get_column_binary

(

int

index)

const

Retrieves the value of the specified column as a CL_DataBuffer.

CL_DataBuffer CL_DBReader::get_column_binary

(

const CL_StringRef &

column_name)

const

Retrieves the value of the specified column as a CL_DataBuffer.

bool CL_DBReader::get_column_bool

(

int

index)

const

Retrieves the value of the specified column as a boolean.

bool CL_DBReader::get_column_bool

(

const CL_StringRef &

column_name)

const

Retrieves the value of the specified column as a boolean.

int CL_DBReader::get_column_count

(

)

const

Returns the number of columns in the result set.

CL_DateTime CL_DBReader::get_column_datetime

(

int

index)

const

Retrieves the value of the specified column as a CL_DateTime.

CL_DateTime CL_DBReader::get_column_datetime

(

const CL_StringRef &

column_name)

const

Retrieves the value of the specified column as a CL_DateTime.

double CL_DBReader::get_column_double

(

int

index)

const

Retrieves the value of the specified column as a double.

double CL_DBReader::get_column_double

(

const CL_StringRef &

column_name)

const

Retrieves the value of the specified column as a double.

int CL_DBReader::get_column_int

(

int

index)

const

Retrieves the value of the specified column as an integer.

int CL_DBReader::get_column_int

(

const CL_StringRef &

column_name)

const

Retrieves the value of the specified column as an integer.

CL_String CL_DBReader::get_column_name

(

int

index)

const

Returns the name of the specified column index.

CL_String CL_DBReader::get_column_string

(

int

index)

const

Retrieves the value of the specified column as a string.

CL_String CL_DBReader::get_column_string

(

const CL_StringRef &

column_name)

const

Retrieves the value of the specified column as a string.

CL_DBValue CL_DBReader::get_column_value

(

int

index)

const

Retrieves the value of the specified column.

CL_DBValue CL_DBReader::get_column_value

(

const CL_StringRef &

name)

const

Retrieves the value of the specified column name.

int CL_DBReader::get_name_index

(

const CL_StringRef &

name)

const

Returns the index of the specified column name.

CL_DBReaderProvider* CL_DBReader::get_provider

(

)

Returns the provider interface for this reader.

bool CL_DBReader::retrieve_row

(

)

Retrieves a row from the command execution result.

Returns

True if a row was retrieved, false if there are no more rows

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

• db_reader.h