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我来贴一个Python和PostgreSQL数据库的例子,庆祝开版。
- from mx.DateTime import *
- import pg
- import random
- def insertdb(id, initNum):
- nrange = range(initNum - 15, initNum +20)
- marchbegin = Date(2005, 3, 1)
- marchend = Date(2005, 4, 1)
- i = 10
- insertstrlist = []
- while True:
- intever = marchbegin + RelativeDateTime(day=1,hour=0,minute=i,second=0)
- n = random.choice(nrange)
- sql = "INSERT INTO srdata (\"srid\", \"srdtime\", \"srdcount\", \"srdstat\") VALUES ('" + str(id) + "', '" + str(intever) + "', '" + str(n) + "', '" + str(initNum) +"')"
- insertstrlist.append(sql)
- if marchend == intever :
- break
- i = i + 10
- return insertstrlist
-
- region50list = {'1':1120, '2':1222, '3': 1103, '4': 902}
- region64list = {'5':1000, '6':1200, '7': 973, '8': 823}
- region73list = {'9':1020, '10':1287, '11': 1122, '12': 1244}
- db = pg.connect(dbname = 'stat', host = '192.168.0.2', user = 'bbs', passwd = '2037423')
- for region in db.query("SELECT * FROM sregions").dictresult():
- if (region["srid"] < 5):
- num = region50list[str(region["srid"])]
- sql50 = insertdb(region["srid"], num)
- for i in sql50:
- db.query(i)
- print "Insert OK : " + i
-
- if (region["srid"] >; 5 and region["srid"] < 9):
- num = region64list[str(region["srid"])]
- sql64 = insertdb(region["srid"], num)
- for i in sql64:
- db.query(i)
- print "Insert OK : " + i
-
- if (region["srid"] >; 8 and region["srid"] < 13):
- num = region73list[str(region["srid"])]
- sql70 = insertdb(region["srid"], num)
- for i in sql70:
- db.query(i)
- print "Insert OK : " + i
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