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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 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.