Delete records procedure fixing

dm.py

@@ -207,8 +207,10 @@ def selectData(tbl):
                 if db_type == "mysql":
                     field_replace = field_replace.replace(",", ",' ',")
                     #subqwery = "(SELECT CONCAT(" + field_replace + ") FROM " + subqwery + " WHERE " + table1 + "." + field1 + "=" + tbl + "." + field + ") AS " + field
-                    subqwery = "(SELECT CONCAT({}) FROM {} WHERE  {}.{}={}.{}) AS {}"\
+                    # subqwery = "(SELECT CONCAT({}) FROM {} WHERE  {}.{}={}.{}) AS {}"\
-                        .format(field_replace,subqwery,table1,field1,tbl,field,field)
+                    #     .format(field_replace,subqwery,table1,field1,tbl,field,field)
+                    subqwery = "(SELECT CONCAT('>', {}, '<', {}) FROM {} WHERE  {}.{}={}.{}) AS {}"\
+                        .format(field,field_replace,subqwery,table1,field1,tbl,field,field)
                 elif db_type == "sqlite":
                     field_replace = field_replace.replace(",", " || ' ' ||")
                     #subqwery = "(SELECT (" + field_replace + ") FROM " + subqwery +" WHERE "+ table1 + "." + field1 +"="+ tbl +"."+ field +") AS " + field
@@ -217,7 +219,7 @@ def selectData(tbl):
                 qwery = qwery.replace(field, subqwery)
     #qwery = qwery.rstrip(',') + " FROM " + tbl + " LIMIT 10000"
     qwery = '{} FROM {} LIMIT 10000'.format(qwery.rstrip(','), tbl)
-    #print(qwery)
+    print(qwery)
     c.execute(qwery)
     return c.fetchall()
 
@@ -397,7 +399,7 @@ def selectDataFromDB(tblName, fieldName, fieldValue):
     #qwery = qwery.rstrip(',') + " FROM " + tblName + " WHERE " + fieldName + '=' + fieldValue
     qwery = '{} FROM {} WHERE {}={}'.format(qwery.rstrip(','), tblName, fieldName, fieldValue)
 
-    #print(qwery)
+    print(qwery)
     c.execute(qwery)
     return c.fetchall()
 
@@ -431,22 +433,26 @@ def getTablesDescriptionOfName(tblName):
 
 # Удаление записи из БД
 def deleteRecordsFromDB(tableName, valueList):
-    global c, db_type
+    global c, db_type, conn
     qwery = 'DELETE FROM {} WHERE '.format(tableName)
-    print(qwery)
+    #print(qwery)
     subQwery=''
     i = 0
     for item in getFields(tableName):
         print(item[0], item[1])
         if item[1] == 'integer':
             #subQwery = subQwery + item[0] + '=' + valueList[i] + ' AND '
-            subQwery = '{}{}={} AND'.format(subQwery, item[0], valueList[i])
+            subQwery = '{}{}={} AND '.format(subQwery, item[0], valueList[i])
         else:
             #subQwery = subQwery + item[0] + '=\'' + valueList[i] + '\' AND '
             subQwery = "{}{}='{}' AND ".format(subQwery, item[0], valueList[i])
         i += 1
     qwery += subQwery
+    qwery = qwery.rstrip('AND ').replace("='None'", " IS NULL")
     print(qwery)
+    c.execute(qwery)
+    conn.commit()
+    return
 
 #initDBstructure()
 firstInit()

gui.py

@@ -39,9 +39,9 @@ class MyTable(QTableWidget):
         if action == delRecord:
             row = self.rowAt(event.pos().y())
             col = self.columnAt(event.pos().x())
-            print("Удаляем row:%d, col:%d" % (row, col))
+            #print("Удаляем row:%d, col:%d" % (row, col))
             item = self.item(self.currentIndex().row(), self.currentIndex().column())
-            print("Запись" + item.text())
+            #print("Запись" + item.text())
             self.delRecord(row)
         elif action == addRecord:
             print("Добавить запись  ")
@@ -54,18 +54,21 @@ class MyTable(QTableWidget):
         #print(self.cursor().pos().x())
         #self.contextMenuEvent(self.cursor())
         for currentQTableWidgetItem in self.selectedItems():
-            print(currentQTableWidgetItem.row(), currentQTableWidgetItem.column(), currentQTableWidgetItem.text())
+            print(currentQTableWidgetItem, currentQTableWidgetItem.row(), currentQTableWidgetItem.column(), currentQTableWidgetItem.text())
     # удаление записи
     def delRecord(self, row):
         valueList = []
         #print(self.dbTableName, row, self.statusTip())
         i = 0
-        print(self.columnCount())
+        #print(self.columnCount())
         while i < self.columnCount():
-            valueList.append(self.item(row, i).text())
+            if self.item(row, i):
-            print(self.item(row, i).text())
+                valueList.append(self.item(row, i).text())
+            else:
+                valueList.append('')
+            #print(self.item(row, i).text())
             i += 1
-        dm.deleteRecordsFromDB(self.dbTableName, valueList)
+        deleteRecord(self, row, self.dbTableName, valueList)
 
 # Диалог выбора связанных данных
 class RelationDataView(QMainWindow):
@@ -324,7 +327,7 @@ def clickTablesList(dbTableName, tblDataWidget, data='NULL'):
 
 # вставка данных в табличный виджет
 def addDataIntoTable(dbTableName, tblDataWidget, data='NULL'):
-    global dbTablesList, tabRelationsData
+    global dbTablesList, tabRelationsData, dbFieldRelationValueList
     if data == 'NULL':
         data = dm.selectData(dbTableName)
     fieldNames = dm.getTableStructure(dbTableName)
@@ -349,16 +352,31 @@ def addDataIntoTable(dbTableName, tblDataWidget, data='NULL'):
         # установка заголовков столбцов таблицы
         tblDataWidget.setHorizontalHeaderItem(n, QTableWidgetItem(fDescr))
         n += 1
-    n = 0
+    m = 0
+    dbFieldRelationValueList = []
     for key in data:
-        m = 0
+        n = 0
+        #print(fieldNames, '\n', key)
         for item in key:
+            #print(m, n, item)
+            listRelationTableAndField = dm.getRelationsForField(dbTableName, fieldNames[n][0])
+            #print('--->', fieldNames[n][1])
+            if listRelationTableAndField != 'q':
+                #print('yahooooo', fieldNames[n][0])
+                itemString = dm.re.search('>([0-9])+<(.+)', str(item))
+                if itemString:
+                    #print('--->',itemString.groups())
+                    newitem = QTableWidgetItem(itemString.groups()[1])
+                    dbFieldRelationValueList.append([newitem, m, n, itemString.groups()[0], itemString.groups()[1]])
+
+            else:
+                newitem = QTableWidgetItem(str(item))
+
             # преобразуем все типы в строку
-            newitem = QTableWidgetItem(str(item))
             tblDataWidget.setItem(m, n, newitem)
             n += 1
         m += 1
-
+    #print(dbFieldRelationValueList)
 # Показ менб и панели инструментов
 def showMenuToolbar(window):
     newAction = QAction(QIcon('img/new.gif'), 'Добавить', window)
@@ -480,8 +498,30 @@ def showRelationsRecords(fieldIndex, fieldValue):
             # пишем название активной таблицы БД в строку статуса
             tblRelationsData.setStatusTip(tbl)
 
+def deleteRecord(tableWidget, row, dbTableName, valueList):
+    global dbFieldRelationValueList
+    #print(tableWidget, row, dbTableName, valueList)
+    #print(self.columnCount())
+    i = 0
+    #print(valueList)
+    for val in valueList:
+        #print(tableWidget.item(row, i))
+        #print('Значение из таблицы-->',valueList[i])
+        for item in dbFieldRelationValueList:
+            if item[0] == tableWidget.item(row, i):
+                #print(item[0])
+                #print('еще значение',tableWidget.item(row, i).text(), item[0])
+                value = item[3]
+                valueList.pop(i)
+                valueList.insert(i, item[3])
+
+        i += 1
+    #print(valueList)
+    dm.deleteRecordsFromDB(dbTableName, valueList)
+
 def main():
-    global dbTablesList, listDBTables, tabRelationsData
+    global dbTablesList, listDBTables, tabRelationsData, dbFieldRelationValueList
+    dbFieldRelationValueList = []
     app = QApplication(sys.argv)
     mainWin = QMainWindow()
     workArea = QWidget()