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87 lines
2.8 KiB
Python
87 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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/***************************************************************************
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Name : DB Manager
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Description : Database manager plugin for QGIS
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Date : May 23, 2011
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copyright : (C) 2011 by Giuseppe Sucameli
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email : brush.tyler@gmail.com
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***************************************************************************/
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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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from qgis.core import QgsMessageLog
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from ..data_model import (TableDataModel,
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SqlResultModel,
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SqlResultModelAsync,
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SqlResultModelTask)
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from ..plugin import BaseError
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class GPKGTableDataModel(TableDataModel):
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def __init__(self, table, parent=None):
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TableDataModel.__init__(self, table, parent)
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#fields_txt = u", ".join(self.fields)
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#table_txt = self.db.quoteId((self.table.schemaName(), self.table.name))
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# run query and get results
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#sql = u"SELECT %s FROM %s" % (fields_txt, table_txt)
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#self.resdata = self.db._fetchAll(sql, include_fid_and_geometry = True)
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self.resdata = self.db._fetchAllFromLayer(table)
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self.fetchedFrom = 0
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self.fetchedCount = len(self.resdata)
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def _sanitizeTableField(self, field):
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return self.db.quoteId(field.name)
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def rowCount(self, index=None):
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return self.fetchedCount
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class GPKGSqlResultModelTask(SqlResultModelTask):
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def __init__(self, db, sql, parent):
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super().__init__(db, sql, parent)
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def run(self):
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try:
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self.model = GPKGSqlResultModel(self.db, self.sql, None)
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except BaseError as e:
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self.error = e
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QgsMessageLog.logMessage(e.msg)
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return False
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return True
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def cancel(self):
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self.db.connector.cancel()
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SqlResultModelTask.cancel(self)
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class GPKGSqlResultModelAsync(SqlResultModelAsync):
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def __init__(self, db, sql, parent):
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super().__init__()
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self.task = GPKGSqlResultModelTask(db, sql, parent)
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self.task.taskCompleted.connect(self.modelDone)
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self.task.taskTerminated.connect(self.modelDone)
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class GPKGSqlResultModel(SqlResultModel):
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pass
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