Inherited by Wt::Dbo::backend::PostgresStatement, and Wt::Dbo::backend::Sqlite3Statement.
Public Member Functions | |
| virtual | ~SqlStatement () |
| Destructor. | |
| virtual void | reset ()=0 |
| Resets the statement. | |
| virtual void | bind (int column, const std::string &value)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, short value)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, int value)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, long long value)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, float value)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, double value)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, const boost::posix_time::ptime &value, SqlDateTimeType type)=0 |
| Binds a value to a column. | |
| virtual void | bind (int column, const std::vector< unsigned char > &value)=0 |
| Binds a value to a column. | |
| virtual void | bindNull (int column)=0 |
| Binds 'null' to a column. | |
| virtual void | execute ()=0 |
| Executes the statement. | |
| virtual long long | insertedId ()=0 |
Returns the id if the statement was an SQL insert. | |
| virtual int | affectedRowCount ()=0 |
| Returns the affected number of rows. | |
| virtual bool | nextRow ()=0 |
| Fetches the next result row. | |
| virtual bool | getResult (int column, std::string *value, int size)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, short *value)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, int *value)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, long long *value)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, float *value)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, double *value)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, boost::posix_time::ptime *value, SqlDateTimeType type)=0 |
| Fetches a result value. | |
| virtual bool | getResult (int column, std::vector< unsigned char > *value, int size)=0 |
| Fetches a result value. | |
| virtual std::string | sql () const =0 |
| Returns the prepared SQL string. | |
The statement may be used multiple times, but cannot be used concurrently.
This class is part of Wt::Dbo's backend API, and should not be used directly. Its interface must be reimplemented for each backend corresponding to a supported database.
| virtual int Wt::Dbo::SqlStatement::affectedRowCount | ( | ) | [pure virtual] |
Returns the affected number of rows.
This is only useful for an SQL update or delete statement.
| virtual bool Wt::Dbo::SqlStatement::nextRow | ( | ) | [pure virtual] |
Fetches the next result row.
Returns true if there was one more row to be fetched.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| std::string * | value, | |||
| int | size | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| short * | value | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| int * | value | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| long long * | value | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| float * | value | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| double * | value | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| boost::posix_time::ptime * | value, | |||
| SqlDateTimeType | type | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
| virtual bool Wt::Dbo::SqlStatement::getResult | ( | int | column, | |
| std::vector< unsigned char > * | value, | |||
| int | size | |||
| ) | [pure virtual] |
Fetches a result value.
Returns true whether the value was not null.
1.5.6