问Python5x比perl mySql查询慢

EN

import os
import mysql.connector **<--- import mySqlDb**
import time

outDict = dict()
## DB parameters
db = mysql.connector.connect **<----- mySqlDb.connect( ...** 
     (host=dbhost, 
user=username, # your username
passwd=passw, # your password
db=database) # name of the data base
cur = db.cursor(prepared=True)
sql = "select chr,pos,lengthofrepeat,copyNum,region from db.Table_simpleRepeat;"
cur.execute(sql)
print('\t eDiVa public omics start')
s  = time.time()
sz = 1000
rows = cur.fetchall()
for row in rows:
    ## process out dict    
print time.time() - s 
cur.close()
db.close()        

use strict;
use Digest::MD5 qw(md5);
use DBI;
use threads;
use threads::shared;

my $dbh = DBI->connect('dbi:mysql:'.$database.';host='.$dbhost.'',$username,$pass) 
    or die "Connection Error!!\n";    
    my $sql = "select chr,pos,lengthofrepeat,copyNum,region from   db.Table_simpleRepeat\;";
    ## prepare statement and query
    my $stmt = $dbh->prepare($sql);
    $stmt->execute or die "SQL Error!!\n";
    my $c = 0;
    #process query result
    while (my @res = $stmt->fetchrow_array) 
    {
        $edivaStr{ $res[0].";".$res[1] } = $res[4].",".$res[2]; 
        $c +=1;
    }
    print($c."\n");
    ## close DB connection
    $dbh->disconnect();