i made a test
i did that without sql alchemy orm:
import MySQLdb
import time
# Establich a connection
db = MySQLdb.connection(host="192.168.45.28",
user="apm",
passwd="apm",
db="test_christian")
# Run a MySQL query from Python and get the result set
xref = time.time()
db.query("""UPDATE utilisateur SET Dispo=1 WHERE IdUtilisateur=1""")
r = db.store_result()
print time.time()-xref
# Iterate through the result set
# Example calls back up to 100 rows
# for row in r.fetch_row(100):
# print row
*EXECUTE*
Z:\>python TestSql.py
0.108999967575
It takes 0.1 s (the database is far away from the code)
------------------------------------------------------------------------------
And then i test this (just a part of my application)
def SeRendreIndisponible(self,event): # FONCTION COSMOCOM
xref = time.time()
if self.app.connec["CouplageCosmocom"]==0 : return
if hasattr(self, 'agent') :
try :
self.agent.MakeReleased()
except :
self.app.ReconnexionAgent()
self.agent.MakeReleased()
print "SeRendreIndisponible PARTIE AGENT", time.time()-xref
xref = time.time()
self.UtilisateurCourant.Dispo = 0
if self.UtilisateurCourant.IdUtilisateur:
x = self.ModifBase(self.UtilisateurCourant) # on réactualise
l'état de la bdd
print "====>>>", x
print "SeRendreIndisponible PARTIE ECRITURE ETAT", time.time()-xref
def ModifBase(self, objet):
if int(self.app.param["Debug"]) :
print "M", objet
# try:
x = session.merge(objet)
session.flush()
*EXECUTE*
SeRendreIndisponible PARTIE AGENT 0.0
M <Declaration.Utilisateur object at 0x032C0DD0>
====>>> None
SeRendreIndisponible PARTIE ECRITURE ETAT 0.93700003624
It takes 0.9 seconds with SqlAlchemy (>>0.1)
Why?
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