Comments (1)
The important line of the error message is
psycopg2.errors.UndefinedColumn: column "url" of relation "users" does not exist
LINE 1: ...NSERT INTO users (id_users,created_at,screen_name,url,listed...
Here, we can see that your python code is inserting into a url
column of the users
table, but the sql schema I provided you does not contain a url
column. I believe when I completed the twitter_postgres
assignment I renamed the column to urls
(with an s
) instead of url
. (In retrospect, I'm not sure why. url
is a better name for the column than urls
because there is only one url being stored in the column. But software projects have a way of building up lots of small inconsistencies like this, and part of being a good engineer is learning how to live with these minor bugs.)
To fix your problem, you could either:
- Modify your python code to use the
urls
column to be compatible with the schema, or - Modify the schema to use the
url
column to be compatible with the python.
It won't matter which method you pick.
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