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qgsabstractdatabaseproviderconnection.sip.in
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qgsabstractdatabaseproviderconnection.sip.in
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/************************************************************************
* This file has been generated automatically from *
* *
* src/core/qgsabstractdatabaseproviderconnection.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/
class QgsAbstractDatabaseProviderConnection : QgsAbstractProviderConnection
{
%Docstring
The QgsAbstractDatabaseProviderConnection class provides common functionality
for DB based connections.
This class performs low level DB operations without asking
the user for confirmation or handling currently opened layers and the registry
entries, it is responsibility of the client code to keep layers in sync.
The class methods will throw exceptions in case the requested operation
is not supported or cannot be performed without errors.
.. versionadded:: 3.10
%End
%TypeHeaderCode
#include "qgsabstractdatabaseproviderconnection.h"
%End
public:
static const QMetaObject staticMetaObject;
public:
enum TableFlag
{
Aspatial,
Vector,
Raster,
View,
MaterializedView,
Foreign,
};
typedef QFlags<QgsAbstractDatabaseProviderConnection::TableFlag> TableFlags;
struct TableProperty
{
SIP_PYOBJECT __repr__();
%MethodCode
QString str = QStringLiteral( "<QgsAbstractDatabaseProviderConnection.TableProperty: '%1'>" ).arg( sipCpp->tableName() );
sipRes = PyUnicode_FromString( str.toUtf8().constData() );
%End
struct GeometryColumnType
{
SIP_PYOBJECT __repr__();
%MethodCode
QString str = QStringLiteral( "<QgsAbstractDatabaseProviderConnection.TableProperty.GeometryColumnType: '%1, %2'>" ).arg( QgsWkbTypes::displayString( sipCpp->wkbType ), sipCpp->crs.authid() );
sipRes = PyUnicode_FromString( str.toUtf8().constData() );
%End
QgsWkbTypes::Type wkbType;
QgsCoordinateReferenceSystem crs;
bool operator==( const GeometryColumnType &other ) const;
};
public:
QString tableName() const;
%Docstring
Returns the table name
.. seealso:: :py:func:`defaultName`
%End
void setTableName( const QString &name );
%Docstring
Sets the table name to ``name``
.. seealso:: :py:func:`defaultName`
%End
void addGeometryColumnType( const QgsWkbTypes::Type &type, const QgsCoordinateReferenceSystem &crs );
%Docstring
Appends the geometry column ``type`` with the given ``srid`` to the geometry column types list
%End
QList<QgsAbstractDatabaseProviderConnection::TableProperty::GeometryColumnType> geometryColumnTypes() const;
%Docstring
Returns the list of geometry column types and CRSs.
The method returns a list of GeometryColumnType
%End
void setGeometryColumnTypes( const QList<QgsAbstractDatabaseProviderConnection::TableProperty::GeometryColumnType> &geometryColumnTypes );
%Docstring
Sets the geometry column types to ``geometryColumnTypes``
%End
QString defaultName() const;
%Docstring
Returns the default name for the table entry
It is usually the table name but in case there are multiple geometry
columns, the geometry column name is appended to the table name.
.. seealso:: :py:func:`geometryColumnCount`
%End
TableProperty at( int index ) const;
%Docstring
Returns the table property corresponding to the geometry type at
the given ``index``
%End
QString schema() const;
%Docstring
Returns the schema or an empty string for backends that do not support a schema
%End
void setSchema( const QString &schema );
%Docstring
Sets the ``schema``
%End
QString geometryColumn() const;
%Docstring
Returns the geometry column name
%End
void setGeometryColumn( const QString &geometryColumn );
%Docstring
Sets the geometry column name to ``geometryColumn``
%End
QStringList primaryKeyColumns() const;
%Docstring
Returns the list of primary key column names
%End
void setPrimaryKeyColumns( const QStringList &primaryKeyColumns );
%Docstring
Sets the primary key column names to ``primaryKeyColumns``
%End
QList<QgsCoordinateReferenceSystem> crsList() const;
%Docstring
Returns the list of CRSs supported by the geometry column
%End
TableFlags flags() const;
%Docstring
Returns the table flags
%End
void setFlags( const TableFlags &flags );
%Docstring
Sets the table ``flags``
%End
QString comment() const;
%Docstring
Returns the table comment
%End
void setComment( const QString &comment );
%Docstring
Sets the table ``comment``
%End
QVariantMap info() const;
%Docstring
Returns additional information about the table
Provider classes may use this property
to store custom bits of information.
%End
void setInfo( const QVariantMap &info );
%Docstring
Sets additional information about the table to ``info``
Provider classes may use this property
to store custom bits of information.
%End
int geometryColumnCount() const;
%Docstring
Returns the number of geometry columns in the original table this entry refers to
This information is used internally to build the :py:func:`defaultName`
%End
void setGeometryColumnCount( int geometryColumnCount );
%Docstring
Sets the ``geometryColumnCount``
%End
void setFlag( const TableFlag &flag );
%Docstring
Sets a ``flag``
%End
int maxCoordinateDimensions() const;
%Docstring
Returns the maximum coordinate dimensions of the geometries of a vector table.
This information is calculated from the geometry columns types.
.. seealso:: :py:func:`geometryColumnTypes`
%End
bool operator==( const QgsAbstractDatabaseProviderConnection::TableProperty &other ) const;
};
enum Capability
{
CreateVectorTable,
DropRasterTable,
DropVectorTable,
RenameVectorTable,
RenameRasterTable,
CreateSchema,
DropSchema,
RenameSchema,
ExecuteSql,
Vacuum,
Tables,
Schemas,
SqlLayers,
TableExists,
Spatial,
CreateSpatialIndex,
SpatialIndexExists,
DeleteSpatialIndex,
DeleteField,
DeleteFieldCascade,
AddField,
};
typedef QFlags<QgsAbstractDatabaseProviderConnection::Capability> Capabilities;
enum GeometryColumnCapability
{
Z,
M,
SinglePart,
Curves
};
typedef QFlags<QgsAbstractDatabaseProviderConnection::GeometryColumnCapability> GeometryColumnCapabilities;
QgsAbstractDatabaseProviderConnection( const QString &name );
%Docstring
Creates a new connection with ``name`` by reading its configuration from the settings.
If a connection with this name cannot be found, an empty connection will be returned.
%End
QgsAbstractDatabaseProviderConnection( const QString &uri, const QVariantMap &configuration );
%Docstring
Creates a new connection from the given ``uri`` and ``configuration``.
The connection is not automatically stored in the settings.
.. seealso:: :py:func:`store`
%End
Capabilities capabilities() const;
%Docstring
Returns connection capabilities
%End
virtual GeometryColumnCapabilities geometryColumnCapabilities();
%Docstring
Returns connection geomerty column capabilities (Z, M, SinglePart, Curves)
.. versionadded:: 3.16
%End
virtual QString tableUri( const QString &schema, const QString &name ) const throw( QgsProviderConnectionException );
%Docstring
Returns the URI string for the given ``table`` and ``schema``.
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
.. versionadded:: 3.12
%End
virtual void createVectorTable( const QString &schema, const QString &name, const QgsFields &fields, QgsWkbTypes::Type wkbType, const QgsCoordinateReferenceSystem &srs, bool overwrite, const QMap<QString, QVariant> *options ) const throw( QgsProviderConnectionException );
%Docstring
Creates an empty table with ``name`` in the given ``schema`` (schema is ignored if not supported by the backend).
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual bool tableExists( const QString &schema, const QString &name ) const throw( QgsProviderConnectionException );
%Docstring
Checks whether a table ``name`` exists in the given ``schema``.
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void dropVectorTable( const QString &schema, const QString &name ) const throw( QgsProviderConnectionException );
%Docstring
Drops a vector (or aspatial) table with given ``schema`` (schema is ignored if not supported by the backend) and ``name``.
Raises a QgsProviderConnectionException if any errors are encountered.
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void dropRasterTable( const QString &schema, const QString &name ) const throw( QgsProviderConnectionException );
%Docstring
Drops a raster table with given ``schema`` (schema is ignored if not supported by the backend) and ``name``.
Raises a QgsProviderConnectionException if any errors are encountered.
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void renameVectorTable( const QString &schema, const QString &name, const QString &newName ) const throw( QgsProviderConnectionException );
%Docstring
Renames a vector or aspatial table with given ``schema`` (schema is ignored if not supported by the backend) and ``name``.
Raises a QgsProviderConnectionException if any errors are encountered.
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void renameRasterTable( const QString &schema, const QString &name, const QString &newName ) const throw( QgsProviderConnectionException );
%Docstring
Renames a raster table with given ``schema`` (schema is ignored if not supported by the backend) and ``name``.
Raises a QgsProviderConnectionException if any errors are encountered.
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void createSchema( const QString &name ) const throw( QgsProviderConnectionException );
%Docstring
Creates a new schema with the specified ``name``
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void dropSchema( const QString &name, bool force = false ) const throw( QgsProviderConnectionException );
%Docstring
Drops an entire schema with the specified name.
Raises a QgsProviderConnectionException if any errors are encountered.
:param name: name of the schema to be dropped
:param force: if ``True``, a DROP CASCADE will drop all related objects
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void deleteField( const QString &fieldName, const QString &schema, const QString &tableName, bool force = false ) const throw( QgsProviderConnectionException );
%Docstring
Deletes the field with the specified name.
Raises a QgsProviderConnectionException if any errors are encountered.
:param fieldName: name of the field to be deleted
:param schema: name of the schema (schema is ignored if not supported by the backend).
:param tableName: name of the table
:param force: if ``True``, a DROP CASCADE will drop all related objects
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
.. versionadded:: 3.16
%End
virtual void addField( const QgsField &field, const QString &schema, const QString &tableName ) const throw( QgsProviderConnectionException );
%Docstring
Adds a field
Raises a QgsProviderConnectionException if any errors are encountered.
:param field: specification of the new field
:param schema: name of the schema (schema is ignored if not supported by the backend).
:param tableName: name of the table
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
.. versionadded:: 3.16
%End
virtual void renameSchema( const QString &name, const QString &newName ) const throw( QgsProviderConnectionException );
%Docstring
Renames a schema with the specified ``name``.
Raises a QgsProviderConnectionException if any errors are encountered.
.. note::
it is responsibility of the caller to handle open layers and registry entries.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual QList<QList<QVariant>> executeSql( const QString &sql ) const throw( QgsProviderConnectionException );
%Docstring
Executes raw ``sql`` and returns the (possibly empty) list of results in a multi-dimensional array.
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual void vacuum( const QString &schema, const QString &name ) const throw( QgsProviderConnectionException );
%Docstring
Vacuum the database table with given ``schema`` and ``name`` (schema is ignored if not supported by the backend).
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
%End
struct SpatialIndexOptions
{
QString geometryColumnName;
};
virtual void createSpatialIndex( const QString &schema, const QString &name, const QgsAbstractDatabaseProviderConnection::SpatialIndexOptions &options = QgsAbstractDatabaseProviderConnection::SpatialIndexOptions() ) const throw( QgsProviderConnectionException );
%Docstring
Creates a spatial index for the database table with given ``schema`` and ``name`` (schema is ignored if not supported by the backend).
The ``options`` argument can be used to provide extra options controlling the spatial index creation.
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
.. versionadded:: 3.14
%End
virtual bool spatialIndexExists( const QString &schema, const QString &name, const QString &geometryColumn ) const throw( QgsProviderConnectionException );
%Docstring
Determines whether a spatial index exists for the database table with given ``schema``, ``name`` and ``geometryColumn`` (``schema`` and ``geometryColumn`` are
ignored if not supported by the backend).
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
.. versionadded:: 3.14
%End
virtual void deleteSpatialIndex( const QString &schema, const QString &name, const QString &geometryColumn ) const throw( QgsProviderConnectionException );
%Docstring
Deletes the existing spatial index for the database table with given ``schema``, ``name`` and ``geometryColumn`` (``schema`` and ``geometryColumn`` are
ignored if not supported by the backend).
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
.. versionadded:: 3.14
%End
virtual QgsAbstractDatabaseProviderConnection::TableProperty table( const QString &schema, const QString &table ) const;
%Docstring
Returns information on a ``table`` in the given ``schema``.
Raises a QgsProviderConnectionException if any errors are encountered or if the table does not exist.
:raises :: py:class:`QgsProviderConnectionException`
.. note::
Not available in Python bindings
.. versionadded:: 3.12
%End
QList<QgsAbstractDatabaseProviderConnection::TableProperty> tablesInt( const QString &schema = QString(), const int flags = 0 ) const throw( QgsProviderConnectionException ) /PyName=tables/;
%Docstring
Returns information on the tables in the given schema.
Raises a QgsProviderConnectionException if any errors are encountered.
:param schema: name of the schema (ignored if not supported by the backend)
:param flags: filter tables by flags, this option completely overrides search options stored in the connection
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual QStringList schemas() const throw( QgsProviderConnectionException );
%Docstring
Returns information about the existing schemas.
Raises a QgsProviderConnectionException if any errors are encountered.
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual QgsFields fields( const QString &schema, const QString &table ) const throw( QgsProviderConnectionException );
%Docstring
Returns the fields of a ``table`` and ``schema``.
Raises a QgsProviderConnectionException if any errors are encountered.
.. note::
the default implementation creates a temporary vector layer, providers may
choose to override this method for a greater efficiency.
.. versionadded:: 3.16
:raises :: py:class:`QgsProviderConnectionException`
%End
virtual QList< QgsVectorDataProvider::NativeType > nativeTypes() const throw( QgsProviderConnectionException ) = 0;
%Docstring
Returns a list of native types supported by the connection.
.. versionadded:: 3.16
:raises :: py:class:`QgsProviderConnectionException`
%End
QString providerKey() const;
%Docstring
Returns the provider key
.. versionadded:: 3.16
%End
protected:
void checkCapability( Capability capability ) const;
%Docstring
Checks if ``capability`` is supported and throws and exception if it's not
:raises :: py:class:`QgsProviderConnectionException`
%End
};
QFlags<QgsAbstractDatabaseProviderConnection::Capability> operator|(QgsAbstractDatabaseProviderConnection::Capability f1, QFlags<QgsAbstractDatabaseProviderConnection::Capability> f2);
/************************************************************************
* This file has been generated automatically from *
* *
* src/core/qgsabstractdatabaseproviderconnection.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/