Class: QgsQueryResultModel

A model for QgsAbstractDatabaseProviderConnection.QueryResult.

Added in version 3.18.

Class Hierarchy

Base classes

QAbstractTableModel
QAbstractItemModel
QObject

Methods

cancel	Cancels the row fetching.
columns	Returns the column names
queryResult	Returns the query result
rowsReady	Triggered when newRows have been fetched and can be added to the model.

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

class qgis.core.QgsQueryResultModel

Bases: QAbstractTableModel

__init__(queryResult: QgsAbstractDatabaseProviderConnection.QueryResult, parent: QObject | None = None)

Constructs a QgsQueryResultModel from a queryResult with optional parent

Parameters:

• queryResult (QgsAbstractDatabaseProviderConnection.QueryResult)

• parent (Optional[QObject] = None)

cancel(self)

Cancels the row fetching.

columns(self) → List[str]

Returns the column names

Return type:

List[str]

signal fetchMoreRows(maxRows: int)

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

queryResult(self) → QgsAbstractDatabaseProviderConnection.QueryResult

Returns the query result

Added in version 3.22.

Return type:

QgsAbstractDatabaseProviderConnection.QueryResult

rowsReady(self, rows: Any)

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

Parameters:

rows (Any)