Created
November 19, 2018 23:03
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sotorrent exercise
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| #!/usr/bin/env python | |
| # -*- coding: utf-8 -*- | |
| # The goal of this exercise is to understand how do the size of a SO code snipet changes | |
| # during its own evolution, and in terms of the programming language used and the popularity | |
| # of the SO question | |
| # In case you do not have MySQLdb instaled: | |
| # More details at: https://askubuntu.com/questions/989965 | |
| import MySQLdb as db | |
| HOST = "200.239.79.1" | |
| PORT = 3306 | |
| USER = "sotorrent" | |
| PASSWORD = "12345" | |
| DB = "sotorrent18_09" | |
| def test_connection(): | |
| con = None | |
| try: | |
| con = db.Connection(host=HOST, port=PORT, user=USER, passwd=PASSWORD, db=DB) | |
| con.query("SELECT VERSION()") | |
| result = con.use_result() | |
| print("MYSQL version: %s" % result.fetch_row()[0]) | |
| except Exception as e: | |
| print("Error %d: %s" % (e.args[0], e.args[1])) | |
| sys.exit(1) | |
| finally: | |
| con.close() | |
| def size_of_code_blocks(question_id=21691202): | |
| con = None | |
| try: | |
| con = db.Connection(host=HOST, port=PORT, user=USER, passwd=PASSWORD, db=DB) | |
| cursor = con.cursor() | |
| sql = """SELECT PostHistoryId, PostId, PostBlockTypeId, LineCount, Length, Content | |
| FROM PostBlockVersion | |
| WHERE PostId=21691202 and | |
| PostBlockTypeId = {str1} | |
| ORDER BY PostHistoryId ASC, LocalId ASC | |
| LIMIT 100""".format(str1=question_id) | |
| cursor.execute(sql) | |
| results = cursor.fetchall() | |
| for i in results: | |
| print(i) | |
| except Exception as e: | |
| print("Error %d: %s" % (e.args[0], e.args[1])) | |
| sys.exit(1) | |
| finally: | |
| con.close() | |
| def selecting_questions_per_pl(pl): | |
| con = None | |
| try: | |
| con = db.Connection(host=HOST, port=PORT, user=USER, passwd=PASSWORD, db=DB) | |
| cursor = con.cursor() | |
| sql = """SELECT Id #, AcceptedAnswerId, CreationDate, ClosedDate, Title, Body, Score, AnswerCount, Tags | |
| FROM Posts | |
| WHERE PostTypeId=1 | |
| AND tags like '%<java>%' | |
| AND AcceptedAnswerId>0 | |
| ORDER BY Id | |
| LIMIT 100""" | |
| cursor.execute(sql) | |
| ids = [item[0] for item in cursor.fetchall()] | |
| print(ids) | |
| except Exception as e: | |
| print("Error %d: %s" % (e.args[0], e.args[1])) | |
| sys.exit(1) | |
| finally: | |
| con.close() | |
| selecting_questions_per_pl("java") |
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