51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
|
import sqlite3
|
||
|
|
||
|
# Connect to the database
|
||
|
conn = sqlite3.connect('db.sqlite3')
|
||
|
cursor = conn.cursor()
|
||
|
|
||
|
# Keep users 'avery' and 'asd'
|
||
|
cursor.execute("SELECT id FROM users WHERE username IN ('avery', 'asd')")
|
||
|
keep_user_ids = [row[0] for row in cursor.fetchall()]
|
||
|
|
||
|
# Delete all users except 'avery' and 'asd'
|
||
|
cursor.execute("DELETE FROM users WHERE id NOT IN ({})".format(','.join('?' * len(keep_user_ids))), keep_user_ids)
|
||
|
|
||
|
# Get avery's user id
|
||
|
cursor.execute("SELECT id FROM users WHERE username = 'avery'")
|
||
|
avery_id = cursor.fetchone()[0]
|
||
|
|
||
|
# Keep only the first two tweets from 'avery' and delete all other tweets
|
||
|
cursor.execute("""
|
||
|
DELETE FROM tweets
|
||
|
WHERE id NOT IN (
|
||
|
SELECT id FROM tweets
|
||
|
WHERE user_id = ?
|
||
|
ORDER BY created_at ASC
|
||
|
LIMIT 2
|
||
|
)
|
||
|
""", (avery_id,))
|
||
|
|
||
|
# Delete all likes
|
||
|
cursor.execute("DELETE FROM likes")
|
||
|
|
||
|
# Delete all comments
|
||
|
cursor.execute("DELETE FROM comments")
|
||
|
|
||
|
# Delete all messages
|
||
|
cursor.execute("DELETE FROM messages")
|
||
|
|
||
|
# Delete all groups
|
||
|
cursor.execute("DELETE FROM groups")
|
||
|
|
||
|
# Delete all group members
|
||
|
cursor.execute("DELETE FROM group_members")
|
||
|
|
||
|
# Delete all posts
|
||
|
cursor.execute("DELETE FROM posts")
|
||
|
|
||
|
# Commit the changes and close the connection
|
||
|
conn.commit()
|
||
|
conn.close()
|
||
|
|
||
|
print("Database cleaned successfully.")
|