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add uniq; fix name of index to be cooler, fix a typo in comment, and most importantly use lastrowid instead of asking max (eg. play a little less with db

This commit is contained in:
Nikos Kouremenos 2005-11-22 15:38:03 +00:00
parent 648a862811
commit 8fd42ee7d8
1 changed files with 6 additions and 5 deletions
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11
scripts/migrate_logs_to_dot9_db.py
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@ -30,7 +30,7 @@ cur = con.cursor()
cur.executescript( cur.executescript(
''' '''
CREATE TABLE jids( CREATE TABLE jids(
jid_id INTEGER PRIMARY KEY AUTOINCREMENT, jid_id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE,
jid TEXT UNIQUE jid TEXT UNIQUE
); );
@ -98,13 +98,14 @@ def visit(arg, dirname, filenames):
# jid is already in the DB, don't create the table, just get his jid_id # jid is already in the DB, don't create the table, just get his jid_id
if jid in jids_already_in: if jid in jids_already_in:
cur.execute('SELECT jid_id FROM jids WHERE jid="%s"' % jid) cur.execute('SELECT jid_id FROM jids WHERE jid="%s"' % jid)
JID_ID = cur.fetchone()[0]
else: else:
jids_already_in.append(jid) jids_already_in.append(jid)
cur.execute('INSERT INTO jids (jid) VALUES (?)', (jid,)) cur.execute('INSERT INTO jids (jid) VALUES (?)', (jid,))
con.commit() con.commit()
cur.execute('SELECT MAX(jid) FROM jids') JID_ID = cur.lastrowid
JID_ID = cur.fetchone()[0]
f = open(path_to_text_file, 'r') f = open(path_to_text_file, 'r')
lines = f.readlines() lines = f.readlines()
@ -118,7 +119,7 @@ def visit(arg, dirname, filenames):
message_data = splitted_line[2:] # line[2:] has message data message_data = splitted_line[2:] # line[2:] has message data
# line[0] is date, # line[0] is date,
# some lines can be fucked up, just trop them # some lines can be fucked up, just drop them
try: try:
tim = int(float(splitted_line[0])) tim = int(float(splitted_line[0]))
except: except:
@ -160,6 +161,6 @@ if __name__ == '__main__':
cur.executescript( cur.executescript(
''' '''
CREATE UNIQUE INDEX jids_already_index ON jids (jid); CREATE UNIQUE INDEX jids_already_index ON jids (jid);
CREATE INDEX JID_ID_Index ON logs (jid_id); CREATE INDEX jid_id_index ON logs (jid_id);
''' '''
) )