CALL a SQL 5.6 routine from a Python script

Question

I'm trying to write a Python script which will anonymise users stored in a production database in bulk. This is using an existing routine which has been used many times before and works fine.

My code looks like this:

with open('users_to_delete.csv', newline='') as csv_file:
csv_reader = csv.reader(csv_file, delimiter=',', quotechar='|')
for row in csv_reader:
    user_to_delete = row[0]
    delete_query = """CALL anonymise_accounts(""" + user_to_delete + ');'
    cursor.execute(delete_query, multi=True)
    db_connection.commit()

When running it, the following output is returned:

CALL anonymise_accounts(5308561);
CALL anonymise_accounts(2558082);

However, the accounts don't get anonymised.

I'd appreciate any ideas where I may be going wrong here.

Answer 1

execute() is not execute multiple statements, you try to multi=False and delete the semicolon.

with open('users_to_delete.csv', newline='') as csv_file:
csv_reader = csv.reader(csv_file, delimiter=',', quotechar='|')
for row in csv_reader:
    user_to_delete = row[0]
    delete_query = """CALL anonymise_accounts(""" + user_to_delete + ')'
    cursor.execute(delete_query, multi=False)
    db_connection.commit()

Answer 2

with open('users_to_delete.csv', newline='') as csv_file:
csv_reader = csv.reader(csv_file, delimiter='\n', quotechar='|')
for row in csv_reader:
    user_to_delete = row[0]
    delete_query = """CALL rp_anonymise_ho(""" + user_to_delete + ')'
    cursor.execute(delete_query)
    print(cursor.fetchall())

Make sure your data in the csv is comma delimited. For example, there were only one row with no commas, the code would look like in the above.