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virtual vtkTypeBool | IsA (const char *type) |
| Return 1 if this class is the same type of (or a subclass of) the named class. More...
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vtkRowQuery * | NewInstance () const |
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void | PrintSelf (ostream &os, vtkIndent indent) override |
| Methods invoked by print to print information about the object including superclasses. More...
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virtual bool | Execute ()=0 |
| Execute the query. More...
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virtual int | GetNumberOfFields ()=0 |
| The number of fields in the query result. More...
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virtual const char * | GetFieldName (int i)=0 |
| Return the name of the specified query field. More...
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virtual int | GetFieldType (int i)=0 |
| Return the type of the field, using the constants defined in vtkType.h. More...
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int | GetFieldIndex (const char *name) |
| Return the index of the specified query field. More...
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virtual bool | NextRow ()=0 |
| Advance row, return false if past end. More...
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virtual bool | IsActive ()=0 |
| Return true if the query is active (i.e. More...
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bool | NextRow (vtkVariantArray *rowArray) |
| Advance row, return false if past end. More...
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virtual vtkVariant | DataValue (vtkIdType c)=0 |
| Return data in current row, field c. More...
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virtual bool | HasError ()=0 |
| Returns true if an error is set, otherwise false. More...
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virtual const char * | GetLastErrorText ()=0 |
| Get the last error text from the query. More...
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virtual void | SetCaseSensitiveFieldNames (bool) |
| Many databases do not preserve case in field names. More...
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virtual bool | GetCaseSensitiveFieldNames () |
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virtual void | CaseSensitiveFieldNamesOn () |
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virtual void | CaseSensitiveFieldNamesOff () |
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| vtkBaseTypeMacro (vtkObject, vtkObjectBase) |
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virtual void | DebugOn () |
| Turn debugging output on. More...
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virtual void | DebugOff () |
| Turn debugging output off. More...
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bool | GetDebug () |
| Get the value of the debug flag. More...
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void | SetDebug (bool debugFlag) |
| Set the value of the debug flag. More...
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virtual void | Modified () |
| Update the modification time for this object. More...
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virtual vtkMTimeType | GetMTime () |
| Return this object's modified time. More...
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unsigned long | AddObserver (unsigned long event, vtkCommand *, float priority=0.0f) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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unsigned long | AddObserver (const char *event, vtkCommand *, float priority=0.0f) |
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vtkCommand * | GetCommand (unsigned long tag) |
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void | RemoveObserver (vtkCommand *) |
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void | RemoveObservers (unsigned long event, vtkCommand *) |
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void | RemoveObservers (const char *event, vtkCommand *) |
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vtkTypeBool | HasObserver (unsigned long event, vtkCommand *) |
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vtkTypeBool | HasObserver (const char *event, vtkCommand *) |
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void | RemoveObserver (unsigned long tag) |
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void | RemoveObservers (unsigned long event) |
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void | RemoveObservers (const char *event) |
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void | RemoveAllObservers () |
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vtkTypeBool | HasObserver (unsigned long event) |
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vtkTypeBool | HasObserver (const char *event) |
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template<class U , class T > |
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f) |
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...
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template<class U , class T > |
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
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template<class U , class T > |
unsigned long | AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
| Allow user to set the AbortFlagOn() with the return value of the callback method. More...
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int | InvokeEvent (unsigned long event, void *callData) |
| This method invokes an event and return whether the event was aborted or not. More...
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int | InvokeEvent (const char *event, void *callData) |
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int | InvokeEvent (unsigned long event) |
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int | InvokeEvent (const char *event) |
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const char * | GetClassName () const |
| Return the class name as a string. More...
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virtual vtkIdType | GetNumberOfGenerationsFromBase (const char *name) |
| Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). More...
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virtual void | Delete () |
| Delete a VTK object. More...
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virtual void | FastDelete () |
| Delete a reference to this object. More...
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void | InitializeObjectBase () |
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void | Print (ostream &os) |
| Print an object to an ostream. More...
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virtual void | PrintHeader (ostream &os, vtkIndent indent) |
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virtual void | PrintTrailer (ostream &os, vtkIndent indent) |
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virtual void | Register (vtkObjectBase *o) |
| Increase the reference count (mark as used by another object). More...
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virtual void | UnRegister (vtkObjectBase *o) |
| Decrease the reference count (release by another object). More...
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int | GetReferenceCount () |
| Return the current reference count of this object. More...
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void | SetReferenceCount (int) |
| Sets the reference count. More...
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void | PrintRevisions (ostream &) |
| Legacy. More...
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abstract interface for queries that return row-oriented results.
The abstract superclass of query classes that return row-oriented (table) results. A subclass will provide database-specific query parameters and implement the vtkRowQuery API to return query results:
Execute() - Execute the query. No results need to be retrieved at this point, unless you are performing caching.
GetNumberOfFields() - After Execute() is performed, returns the number of fields in the query results.
GetFieldName() - The name of the field at an index.
GetFieldType() - The data type of the field at an index.
NextRow() - Advances the query results by one row, and returns whether there are more rows left in the query.
DataValue() - Extract a single data value from the current row.
- Thanks:
- Thanks to Andrew Wilson from Sandia National Laboratories for his work on the database classes.
- See also
- vtkRowQueryToTable
Definition at line 62 of file vtkRowQuery.h.