Added a function to allow multiple updates in one command, gives sign…

…ificant speed increase but will not check and report on status on each indvidual file, may add option to run the slow version in a future update

flextaxd/modules/database/DatabaseConnection.py

@@ -152,13 +152,39 @@ def update(self,data,table):
 			WHERE {where_column} = ?
 		'''.format(table=table,set_column=data["set_column"],where_column=data["where_column"])
 		udata = tuple([data["set_value"],data["where"]])
-		#logger.debug("{q} {d}".format(q=UPDATE_QUERY,d=udata))
+		logger.debug("{q} {d}".format(q=UPDATE_QUERY,d=udata))
 		res = self.query(UPDATE_QUERY,udata,error=True)
 		if self.rowcount() == 0:
 			res = self.insert({data["set_column"]:data["set_value"],data["where_column"]:data["where"]}, table)
 			return False
 		return True
 
+	def multi_update(self,data,table):
+		'''Update function requires table column which column to identify row with and value to replace
+		Parameters
+			list - data in form of a list with updates
+			table - which table to update
+		------
+		Returns
+			boolean - 	True: if rowcount of update is not zero
+						False if column is not set (value is inserted)
+		'''
+		UPDATE_QUERY = '''
+			INSERT INTO {table} ({set_column},{where_column})
+			VALUES {data}
+			ON CONFLICT({where_column}) DO UPDATE SET
+			{where_column} = {where_column},
+			{set_column}   = {set_column};
+		'''.format(table=table,set_column=data["set_column"],where_column=data["where_column"],data=",".join(data["data"]))
+		#udata = tuple([data["set_value"],data["where"]])
+		logger.debug("{q}".format(q=UPDATE_QUERY))
+		#exit()
+		res = self.query(UPDATE_QUERY,error=True)
+		#if self.rowcount() == 0:
+		#	res = self.insert({data["set_column"]:data["set_value"],data["where_column"]:data["where"]}, table)
+		#	return False
+		return True
+
 	def delete(self,nodes,table):
 		'''Deleting a node should make sure all related data is also removed