Precompiled query to manipulate the data table. More...

#include <data.h>

Public Member Functions
	Data (Connection &conn)
void	set (const wreport::Var &var)
	Set the value input fields using a wreport::Var.
void	set_value (const char *value)
	Set the value input fields using a string value.
void	insert_or_fail ()
	Insert an entry into the data table, failing on conflicts.
bool	insert_or_ignore ()
	Insert an entry into the data table, ignoring conflicts.
void	insert_or_overwrite ()
	Insert an entry into the data table, overwriting on conflicts.
void	dump (FILE *out)
	Dump the entire contents of the table to an output stream.
Data Fields
db::Connection &	conn
	DB connection.
db::Statement *	istm
	Precompiled insert statement.
db::Statement *	ustm
	Precompiled update statement.
db::Statement *	iistm
	Precompiled insert or ignore statement.
DBALLE_SQL_C_SINT_TYPE	id_context
	Context ID SQL parameter.
wreport::Varcode	id_var
	Variable type SQL parameter.
char	value [255]
	Variable value SQL parameter.
SQLLEN	value_ind
	Variable value indicator.

Detailed Description

Precompiled query to manipulate the data table.

Member Function Documentation

void dballe::db::Data::insert_or_fail ( )

Insert an entry into the data table, failing on conflicts.

Trying to replace an existing value will result in an error.

bool dballe::db::Data::insert_or_ignore ( )

Insert an entry into the data table, ignoring conflicts.

Trying to replace an existing value will do nothing.

void dballe::db::Data::insert_or_overwrite ( )

Insert an entry into the data table, overwriting on conflicts.

An existing data with the same context and ::dba_varcode will be overwritten.

DB connection.

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