def __init__(self, iface, layer, parent=None):
QWidget.__init__(self, parent)
self.iface = iface
self.layer = layer
uri = QgsDataSourceURI(layer.source())
dbplugin = None
db = None
if layer.dataProvider().name() == 'postgres':
dbplugin = createDbPlugin('postgis', 'postgres')
elif layer.dataProvider().name() == 'spatialite':
dbplugin = createDbPlugin('spatialite', 'spatialite')
elif layer.dataProvider().name() == 'oracle':
dbplugin = createDbPlugin('oracle', 'oracle')
elif layer.dataProvider().name() == 'virtual':
dbplugin = createDbPlugin('vlayers', 'virtual')
elif layer.dataProvider().name() == 'ogr':
dbplugin = createDbPlugin('gpkg', 'gpkg')
if dbplugin:
dbplugin.connectToUri(uri)
db = dbplugin.db
self.dbplugin = dbplugin
self.db = db
self.filter = ""
self.allowMultiColumnPk = isinstance(db, PGDatabase) # at the moment only PostgreSQL allows a primary key to span multiple columns, spatialite doesn't
self.aliasSubQuery = isinstance(db, PGDatabase) # only PostgreSQL requires subqueries to be aliases
self.setupUi(self)
self.setWindowTitle(
u"%s - %s [%s]" % (self.windowTitle(), db.connection().connectionName(), db.connection().typeNameString()))
self.defaultLayerName = 'QueryLayer'
if self.allowMultiColumnPk:
self.uniqueColumnCheck.setText(self.trUtf8("Column(s) with unique values"))
else:
self.uniqueColumnCheck.setText(self.trUtf8("Column with unique values"))
self.editSql.setFocus()
self.editSql.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.editSql.setMarginVisible(True)
self.initCompleter()
# allow copying results
copyAction = QAction("copy", self)
self.viewResult.addAction(copyAction)
copyAction.setShortcuts(QKeySequence.Copy)
copyAction.triggered.connect(self.copySelectedResults)
self.btnExecute.clicked.connect(self.executeSql)
self.btnSetFilter.clicked.connect(self.setFilter)
self.btnClear.clicked.connect(self.clearSql)
self.presetStore.clicked.connect(self.storePreset)
self.presetDelete.clicked.connect(self.deletePreset)
self.presetCombo.activated[str].connect(self.loadPreset)
self.presetCombo.activated[str].connect(self.presetName.setText)
self.updatePresetsCombobox()
self.geomCombo.setEditable(True)
self.geomCombo.lineEdit().setReadOnly(True)
self.uniqueCombo.setEditable(True)
self.uniqueCombo.lineEdit().setReadOnly(True)
self.uniqueModel = QStandardItemModel(self.uniqueCombo)
self.uniqueCombo.setModel(self.uniqueModel)
if self.allowMultiColumnPk:
self.uniqueCombo.setItemDelegate(QStyledItemDelegate())
self.uniqueModel.itemChanged.connect(self.uniqueChanged) # react to the (un)checking of an item
self.uniqueCombo.lineEdit().textChanged.connect(self.uniqueTextChanged) # there are other events that change the displayed text and some of them can not be caught directly
self.layerTypeWidget.hide() # show if load as raster is supported
#self.loadLayerBtn.clicked.connect(self.loadSqlLayer)
self.updateLayerBtn.clicked.connect(self.updateSqlLayer)
self.getColumnsBtn.clicked.connect(self.fillColumnCombos)
self.queryBuilderFirst = True
self.queryBuilderBtn.setIcon(QIcon(":/db_manager/icons/sql.gif"))
self.queryBuilderBtn.clicked.connect(self.displayQueryBuilder)
self.presetName.textChanged.connect(self.nameChanged)
# Update from layer
# Fisrtly the SQL from QgsDataSourceURI table
sql = uri.table()
if uri.keyColumn() == '_uid_':
match = re.search('^\(SELECT .+ AS _uid_,\* FROM \((.*)\) AS _subq_.+_\s*\)$', sql, re.S)
if match:
sql = match.group(1)
else:
match = re.search('^\((SELECT .+ FROM .+)\)$', sql, re.S)
if match:
sql = match.group(1)
self.editSql.setText(sql)
self.executeSql()
# Then the columns
self.geomCombo.setCurrentIndex(self.geomCombo.findText(uri.geometryColumn(), Qt.MatchExactly))
if uri.keyColumn() != '_uid_':
self.uniqueColumnCheck.setCheckState(Qt.Checked)
if self.allowMultiColumnPk:
itemsData = uri.keyColumn().split(',')
for item in self.uniqueModel.findItems("*", Qt.MatchWildcard):
if item.data() in itemsData:
item.setCheckState(Qt.Checked)
else:
keyColumn = uri.keyColumn()
if self.uniqueModel.findItems(keyColumn):
self.uniqueCombo.setEditText(keyColumn)
# Finally layer name, filter and selectAtId
self.layerNameEdit.setText(layer.name())
self.filter = uri.sql()
if uri.selectAtIdDisabled():
self.avoidSelectById.setCheckState(Qt.Checked)
def __init__(self, iface, db, parent=None):
QWidget.__init__(self, parent)
self.iface = iface
self.db = db
self.filter = ""
self.allowMultiColumnPk = isinstance(
db, PGDatabase
) # at the moment only PostGIS allows a primary key to span multiple columns, spatialite doesn't
self.setupUi(self)
self.setWindowTitle(
u"%s - %s [%s]" %
(self.windowTitle(), db.connection().connectionName(),
db.connection().typeNameString()))
self.defaultLayerName = 'QueryLayer'
if self.allowMultiColumnPk:
self.uniqueColumnCheck.setText(
self.trUtf8("Column(s) with unique values"))
else:
self.uniqueColumnCheck.setText(
self.trUtf8("Column with unique values"))
self.editSql.setFocus()
self.editSql.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.initCompleter()
# allow to copy results
copyAction = QAction("copy", self)
self.viewResult.addAction(copyAction)
copyAction.setShortcuts(QKeySequence.Copy)
copyAction.triggered.connect(self.copySelectedResults)
self.btnExecute.clicked.connect(self.executeSql)
self.btnSetFilter.clicked.connect(self.setFilter)
self.btnClear.clicked.connect(self.clearSql)
self.presetStore.clicked.connect(self.storePreset)
self.presetDelete.clicked.connect(self.deletePreset)
self.presetCombo.activated[str].connect(self.loadPreset)
self.presetCombo.activated[str].connect(self.presetName.setText)
self.updatePresetsCombobox()
self.geomCombo.setEditable(True)
self.geomCombo.lineEdit().setReadOnly(True)
self.uniqueCombo.setEditable(True)
self.uniqueCombo.lineEdit().setReadOnly(True)
self.uniqueModel = QStandardItemModel(self.uniqueCombo)
self.uniqueCombo.setModel(self.uniqueModel)
if self.allowMultiColumnPk:
self.uniqueCombo.setItemDelegate(QStyledItemDelegate())
self.uniqueModel.itemChanged.connect(
self.uniqueChanged) # react to the (un)checking of an item
self.uniqueCombo.lineEdit().textChanged.connect(
self.uniqueTextChanged
) # there are other events that change the displayed text and some of them can not be caught directly
# hide the load query as layer if feature is not supported
self._loadAsLayerAvailable = self.db.connector.hasCustomQuerySupport()
self.loadAsLayerGroup.setVisible(self._loadAsLayerAvailable)
if self._loadAsLayerAvailable:
self.layerTypeWidget.hide() # show if load as raster is supported
self.loadLayerBtn.clicked.connect(self.loadSqlLayer)
self.getColumnsBtn.clicked.connect(self.fillColumnCombos)
self.loadAsLayerGroup.toggled.connect(self.loadAsLayerToggled)
self.loadAsLayerToggled(False)
self._createViewAvailable = self.db.connector.hasCreateSpatialViewSupport(
)
self.btnCreateView.setVisible(self._createViewAvailable)
if self._createViewAvailable:
self.btnCreateView.clicked.connect(self.createView)
self.queryBuilderFirst = True
self.queryBuilderBtn.setIcon(QIcon(":/db_manager/icons/sql.gif"))
self.queryBuilderBtn.clicked.connect(self.displayQueryBuilder)
self.presetName.textChanged.connect(self.nameChanged)
