Class: QgsVectorLayerUndoPassthroughCommand¶
-
class
qgis.core.
QgsVectorLayerUndoPassthroughCommand
(buffer: QgsVectorLayerEditBuffer, text: str, autocreate: bool = True)¶ Bases:
qgis._core.QgsVectorLayerUndoCommand
Constructor for QgsVectorLayerUndoPassthroughCommand
- Parameters
buffer – associated edit buffer
text – text associated with command
autocreate – flag allowing to automatically create a savepoint if necessary
Undo command for vector layer in transaction group mode.
New in version 3.0: Enums
Methods
Returns the error message or an empty string if there’s none.
Returns error status
Rollback command, release savepoint or set error status save point must be set prior to call error satus should be
False
prior to callSet error flag and append “failed” to text
Sets the error message.
Set the command savepoint or set error status.
Signals
Attributes
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errorMessage
(self) → str¶ Returns the error message or an empty string if there’s none.
New in version 3.0.
-
hasError
(self) → bool¶ Returns error status
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rollBackToSavePoint
(self) → bool¶ Rollback command, release savepoint or set error status save point must be set prior to call error satus should be
False
prior to call
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setError
(self)¶ Set error flag and append “failed” to text
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setErrorMessage
(self, errorMessage: str)¶ Sets the error message.
New in version 3.0.
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setSavePoint
(self, savePointId: str = '') → bool¶ Set the command savepoint or set error status. Error satus should be
False
prior to call. If the savepoint given in parameter is empty, then a new one is created if none is currently available in the transaction.