def BeginTrans():
print "ExecSQL:BEGIN;"
c.execute("BEGIN;")
return
def Commit():
print "ExecSQL:COMMIT;"
c.execute("COMMIT;")
return
def AutoCommit(flag):
print "ExecSQL:Set AUTOCOMMIT = " str(flag)
c.execute("Set AUTOCOMMIT = " str(flag))
return
def getcount(table):
#print "ExecSQL:select count(*) from " table
c.execute("select count(*) from " table)
return c.fetchall()[0][0]
def AddTable (Table,TableId,TableString):
sql = "INSERT INTO " Table "(TableId, TableString) VALUES( " TableId ",'" TableString "')"
try:
c.execute(sql)
except MySQLdb.OperationalError,error:
print "AddTable Error:",error
return -1;
return c.rowcount
def main():
argv = sys.argv
if len(argv) < 2:
print 'Usage:',argv[0],' TableId TestCount \n'
sys.exit(1)
global c #MySQL访问cursor
db_host = "localhost"
db_name = "demo"
db_user = "root"
db_user_passwd = ""
print "Config:[%s %s/%s %s] DB\n"%(db_host,db_user,db_user_passwd,db_name)
if len(argv) > 2:
tableid = argv[1]
testcount = int(argv[2]) #
for test in testtables:
#每次操作前都重写建立数据库连接
try: mdb = MySQLdb.connect(db_host, db_user, db_user_passwd, db_name) except MySQLDb.OperationalError,error: print "Connect MySQL[%s %s/%s %s] DB Error:"%(db_host,db_user,db_user_passwd,db_name),error,"\n" sys.exit(1) else: c = mdb.cursor() table,autocommit,trans = test starttime = time.time() print table," ",time.strftime("%y-%m-%d %H:%M:%S",time.localtime()) if autocommit != None: AutoCommit(autocommit) if trans == 1: BeginTrans() for i in xrange(testcount): tablestring = "0d"%i if (AddTable(table,tableid,tablestring)<1): print "AddTable Error",tablestring if trans == 1: Commit() print time.strftime("%y-%m-%d %H:%M:%S",time.localtime()) endtime = time.time() usedtime = endtime-starttime print table,"count:",getcount(table)," used time:",usedtime c.close() mdb.close() if __name__ == '__main__': main() 测试结果如下: Config:[localhost root/ demo] DB MyISAM_NT 04-10-22 16:33:24 04-10-22 16:33:26 MyISAM_NT count: 10000 used time: 2.1132440567 MyISAM_TS 04-10-22 16:33:26 ExecSQL:BEGIN; ExecSQL:COMMIT; 04-10-22 16:33:29 MyISAM_TS count: 10000 used time: 2.65475201607 INNODB_NA_NB 04-10-22 16:33:29 ExecSQL:Set AUTOCOMMIT = 0 04-10-22 16:33:31 INNODB_NA_NB count: 10000 used time: 2.51947999001 INNODB_NA_BE 04-10-22 16:33:31 ExecSQL:Set AUTOCOMMIT = 0 ExecSQL:BEGIN; ExecSQL:COMMIT; 04-10-22 16:33:35 INNODB_NA_BE count: 10000 used time: 3.85625100136 INNODB_AU_NB 04-10-22 16:33:35 ExecSQL:Set AUTOCOMMIT = 1 04-10-22 16:34:19 INNODB_AU_NB count: 10000 used time: 43.7153041363 INNODB_AU_BE 04-10-22 16:34:19 ExecSQL:Set AUTOCOMMIT = 1 ExecSQL:BEGIN; ExecSQL:COMMIT; 04-10-22 16:34:22 INNODB_AU_BE count: 10000 used time: 3.14328193665 |
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