Class: QgsQueryResultModel

class qgis.core.QgsQueryResultModel

Bases: PyQt5.QtCore.QAbstractTableModel

The QgsQueryResultModel class is a model for QgsAbstractDatabaseProviderConnection.QueryResult

New in version 3.18.

QgsQueryResultModel(queryResult: QgsAbstractDatabaseProviderConnection.QueryResult, parent: QObject = None) Constructs a QgsQueryResultModel from a queryResult with optional parent

Methods

beginInsertColumns
beginInsertRows
beginMoveColumns
beginMoveRows
beginRemoveColumns
beginRemoveRows
beginResetModel
canFetchMore	param parent
cancel	Cancels the row fetching.
changePersistentIndex
changePersistentIndexList
childEvent
columnCount	param parent
columns	Returns the column names
connectNotify
createIndex
customEvent
data	param index
decodeData
disconnectNotify
encodeData
endInsertColumns
endInsertRows
endMoveColumns
endMoveRows
endRemoveColumns
endRemoveRows
endResetModel
fetchMore	param parent
headerData	param section
isSignalConnected
persistentIndexList
queryResult	Returns the query result
receivers
resetInternalData
rowCount	param parent
rowsReady	Triggered when newRows have been fetched and can be added to the model.
sender
senderSignalIndex
timerEvent

Signals

fetchMoreRows	Emitted when more rows are requested.
fetchingComplete	Emitted when rows have been fetched (all of them or a batch if maxRows was passed to fetchMoreRows() ) or when the fetching has been stopped (canceled).
fetchingStarted	Emitted when fetching of rows has started [signal]

QgsQueryResultModel.beginInsertColumns(self, QModelIndex, int, int)

QgsQueryResultModel.beginInsertRows(self, QModelIndex, int, int)

QgsQueryResultModel.beginMoveColumns(self, QModelIndex, int, int, QModelIndex, int) -> bool

QgsQueryResultModel.beginMoveRows(self, QModelIndex, int, int, QModelIndex, int) -> bool

QgsQueryResultModel.beginRemoveColumns(self, QModelIndex, int, int)

QgsQueryResultModel.beginRemoveRows(self, QModelIndex, int, int)

beginResetModel(self)

canFetchMore(self, parent: QModelIndex) → bool

Parameters

parent (QModelIndex) –

Return type

bool

cancel(self)

Cancels the row fetching.

QgsQueryResultModel.changePersistentIndex(self, QModelIndex, QModelIndex)

changePersistentIndexList(self, Iterable[QModelIndex], Iterable[QModelIndex])

childEvent(self, QChildEvent)

columnCount(self, parent: QModelIndex) → int

Parameters

parent (QModelIndex) –

Return type

int

columns(self) → List[str]

Returns the column names

Return type

List[str]

connectNotify(self, QMetaMethod)

QgsQueryResultModel.createIndex(self, int, int, object: object = 0) -> QModelIndex

customEvent(self, QEvent)

data(self, index: QModelIndex, role: int) → Any

Parameters

• index (QModelIndex) –

• role (int) –

Return type

Any

QgsQueryResultModel.decodeData(self, int, int, QModelIndex, QDataStream) -> bool

disconnectNotify(self, QMetaMethod)

encodeData(self, Iterable[QModelIndex], QDataStream)

endInsertColumns(self)

endInsertRows(self)

endMoveColumns(self)

endMoveRows(self)

endRemoveColumns(self)

endRemoveRows(self)

endResetModel(self)

fetchMore(self, parent: QModelIndex)

Parameters

parent (QModelIndex) –

fetchMoreRows

Emitted when more rows are requested.

Parameters

maxRows (int) – the number of rows that will be fetched. [signal]

fetchingComplete

Emitted when rows have been fetched (all of them or a batch if maxRows was passed to fetchMoreRows() ) or when the fetching has been stopped (canceled).

See also

fetchMoreRows() [signal]

fetchingStarted

Emitted when fetching of rows has started [signal]

headerData(self, section: int, orientation: Qt.Orientation, role: int) → Any

Parameters

• section (int) –

• orientation (Qt.Orientation) –

• role (int) –

Return type

Any

isSignalConnected(self, QMetaMethod) → bool

persistentIndexList(self) → List[QModelIndex]

queryResult(self) → QgsAbstractDatabaseProviderConnection.QueryResult

Returns the query result

New in version 3.22.

Return type

QgsAbstractDatabaseProviderConnection.QueryResult

receivers(self, PYQT_SIGNAL) → int

resetInternalData(self)

rowCount(self, parent: QModelIndex) → int

Parameters

parent (QModelIndex) –

Return type

int

rowsReady(self, rows: object)

Triggered when newRows have been fetched and can be added to the model.

Parameters

rows (object) –

sender(self) → QObject

senderSignalIndex(self) → int

timerEvent(self, QTimerEvent)