knowDBC::Interfaces::Result Class Reference

Inheritance diagram for knowDBC::Interfaces::Result:

Public Types
enum class	Type { Invalid , Failed , VariableBinding , Boolean }

Public Member Functions
virtual Type	type () const =0
virtual int	tuples () const =0
virtual int	fields () const =0
virtual QStringList	fieldNames () const =0
virtual knowCore::Value	value (int _tuple, int _field) const =0
virtual QString	error () const =0
virtual QString	query () const =0

Member Function Documentation

error()

virtual QString knowDBC::Interfaces::Result::error ( ) const

pure virtual

Returns

an error message if status() is set to Status::Failed.

Implemented in knowDBC::DefaultResult.

fieldNames()

virtual QStringList knowDBC::Interfaces::Result::fieldNames ( ) const

pure virtual

Returns

the list of fields

Implemented in knowDBC::DefaultResult.

fields()

virtual int knowDBC::Interfaces::Result::fields ( ) const

pure virtual

Returns

the number of fields (i.e. columns)

Implemented in knowDBC::DefaultResult.

query()

virtual QString knowDBC::Interfaces::Result::query ( ) const

pure virtual

Returns

the text of the query used for obtaining the results.

Implemented in knowDBC::DefaultResult.

tuples()

virtual int knowDBC::Interfaces::Result::tuples ( ) const

pure virtual

Returns

the number of tuples (i.e. rows)

Implemented in knowDBC::DefaultResult.

value()

virtual knowCore::Value knowDBC::Interfaces::Result::value ( int _tuple, int _field ) const

pure virtual

Returns

the value at given _tuple (row) and _field (column)

Implemented in knowDBC::DefaultResult.

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

• knowl/src/knowDBC/Interfaces/Result.h
• knowl/src/knowDBC/Interfaces/Interfaces.cpp