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74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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PostGISExecuteSQL.py
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---------------------
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Date : October 2012
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Copyright : (C) 2012 by Victor Olaya and Carterix Geomatics
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya, Carterix Geomatics'
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__date__ = 'October 2012'
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__copyright__ = '(C) 2012, Victor Olaya, Carterix Geomatics'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from qgis.core import (QgsProcessingException, QgsProcessingParameterString)
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from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
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from processing.tools import postgis
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class PostGISExecuteSQL(QgisAlgorithm):
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DATABASE = 'DATABASE'
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SQL = 'SQL'
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def group(self):
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return self.tr('Database')
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def groupId(self):
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return 'database'
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def __init__(self):
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super().__init__()
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def initAlgorithm(self, config=None):
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db_param = QgsProcessingParameterString(
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self.DATABASE,
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self.tr('Database (connection name)'))
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db_param.setMetadata({
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'widget_wrapper': {
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'class': 'processing.gui.wrappers_postgis.ConnectionWidgetWrapper'}})
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self.addParameter(db_param)
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self.addParameter(QgsProcessingParameterString(self.SQL, self.tr('SQL query'), multiLine=True))
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def name(self):
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return 'postgisexecutesql'
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def displayName(self):
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return self.tr('PostGIS execute SQL')
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def processAlgorithm(self, parameters, context, feedback):
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connection = self.parameterAsString(parameters, self.DATABASE, context)
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db = postgis.GeoDB.from_name(connection)
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sql = self.parameterAsString(parameters, self.SQL, context).replace('\n', ' ')
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try:
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db._exec_sql_and_commit(str(sql))
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except postgis.DbError as e:
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raise QgsProcessingException(
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self.tr('Error executing SQL:\n{0}').format(str(e)))
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return {}
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