Mysql到Mongodb的数据转换程序

2015-07-24 11:32:33 · 作者: · 浏览: 5
以前写的Mysql到Mongodb的数据转换程序,翻了出来,在数据量不大的情况情况完全够用。
# -*- coding: utf-8 -*-

import sys, os
import multiprocessing
import logging
import random
import time, datetime
import MySQLdb
from MySQLdb import cursors
from pymongo import MongoClient

class Config:
    tables = ['hs_card', 'hs_hero', 'hs_set', 'hs_skill', 'hs_level', 'hs_pack', 'hs_salesevent']
    #tables = ['hs_card', 'hs_hero', 'hs_set', 'hs_skill', 'hs_level']
    index = {
             'hs_card': ['name'],
    }

class Mysql2Mongo(object):
    mysql_host = '50.23.4.2'
    mysql_port = 3306
    mysql_user = "root"
    mysql_pass = "stm123"
    mysql_db = "ccg_alpha"

    mongo_host = '50.23.4.2'
    mongo_port = 27017

    conn = None
    cursor = None
    mongo = None
    mongodb = None

    def __init__(self, logger):
		self.logger = logger

		self.conn = self.getMysqlConn()
		self.cursor = self.conn.cursor()

		self.mongo = MongoClient(host=self.mongo_host, port=self.mongo_port)
		self.mongodb = self.mongo['ccg_alpha']



    def getMysqlConn(self):
        return MySQLdb.connect(host=self.mysql_host, port=self.mysql_port, user=self.mysql_user, \
                 passwd=self.mysql_pass, db=self.mysql_db, cursorclass=MySQLdb.cursors.SSCursor)


    def setMongoCollectionDocument(self, table, data):
		if(isinstance(data, dict) == False):
			return False
		else:
			self.mongodb[table].insert(data)


    def getMysqlTableDesc(self, table):
		sql = """desc %s""" % (table)
		n = self.cursor.execute(sql)
		data = self.cursor.fetchall()
		keys = []
		types = []
		for row in data:
			key = str(row[0])
			if(row[1].find('int') >= 0):
				type = 1
	
			elif (row[1].find('char') >
= 0): type = 2 elif (row[1].find('text') >= 0): type = 2 elif(row[1].find('decimal') >= 0): type = 3 else: type = 2 keys.append(key) types.append(type) return keys, types def mysql2Mongo(self, table): self.mongodb[table].drop() keys, types = self.getMysqlTableDesc(table) sql = """select * from %s order by id asc""" % (table) n = self.cursor.execute(sql) data = self.cursor.fetchall() #print table, keys, types for row in data: ret = {} for k, key in enumerate(keys): if key == 'id': key = '_id' #ret[key] = int(row[k]) if(types[k] == 1): if row[k]==None: ret[key]= 0 continue #print k, key, row ret[key] = int(row[k]) elif(types[k] == 2): if row[k]==None: ret[key]= '' continue ret[key] = str(row[k]) elif(types[k] == 3): if row[k]==None: ret[key]= '' continue ret[key] = float(row[k]) else: if row[k]==None: ret[key]= '' continue ret[key] = str(row[k]) #if(table== 'hs_card') or (table== 'hs_hero'): #ret['rand'] = random.random() print ret self.setMongoCollectionDocument(table, ret) def __del__(self): self.mongo.close() self.cursor.close() self.conn.close() if __name__ == '__main__': multiprocessing.log_to_stderr() logger = multiprocessing.get_logger() logger.setLevel(logging.INFO) # args = sys.argv t1 = time.time() cls = Mysql2Mongo(logger) for tb in Config.tables: cls.mysql2Mongo(tb) #index for t, f in Config.index.items(): pass print time.time() - t1 logger.info("done")