Class: QgsVectorLayerEditPassthrough

An edit buffer which directly passes commands through, used when a layer is within a transaction.

Class Hierarchy

Inheritance diagram of qgis.core.QgsVectorLayerEditPassthrough

Base classes

QgsVectorLayerEditBuffer

Stores queued vector layer edit operations prior to committing changes to the layer’s data provider.

QObject

Methods

update

Update underlying data with a SQL query embedded in a transaction.
class qgis.core.QgsVectorLayerEditPassthrough[source]

Bases: QgsVectorLayerEditBuffer

update(self, transaction: QgsTransaction | None, sql: str | None, name: str | None) → bool[source]

Update underlying data with a SQL query embedded in a transaction.

Parameters:

  • transaction (Optional[QgsTransaction]) – Transaction in which the sql query has been run

  • sql (Optional[str]) – The SQL query updating data

  • name (Optional[str]) – The name of the undo/redo command

Return type:

bool

Returns:

True if the undo/redo command is well added to the stack, False otherwise