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app.py: Iterate directly on cursor

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We don't need to create an intermediate variable for the results of
the SQL query because psycopg2's cursor is iterable.

See: http://initd.org/psycopg/docs/cursor.html
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Alan Orth 2018-09-27 11:03:44 +03:00
parent 4600288ee4
commit eaca5354d3
Signed by: alanorth
GPG Key ID: 0FB860CC9C45B1B9
1 changed files with 3 additions and 3 deletions
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app.py
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@ -22,16 +22,16 @@ class AllItemsResource:
# get statistics, ordered by id, and use limit and offset to page through results # get statistics, ordered by id, and use limit and offset to page through results
cursor.execute('SELECT id, views, downloads FROM items ORDER BY id ASC LIMIT {} OFFSET {}'.format(limit, offset)) cursor.execute('SELECT id, views, downloads FROM items ORDER BY id ASC LIMIT {} OFFSET {}'.format(limit, offset))
results = cursor.fetchmany(limit)
cursor.close()
# create a list to hold dicts of item stats # create a list to hold dicts of item stats
statistics = list() statistics = list()
# iterate over results and build statistics object # iterate over results and build statistics object
for item in results: for item in cursor:
statistics.append({ 'id': item['id'], 'views': item['views'], 'downloads': item['downloads'] }) statistics.append({ 'id': item['id'], 'views': item['views'], 'downloads': item['downloads'] })
cursor.close()
message = { message = {
'currentPage': page, 'currentPage': page,
'totalPages': pages, 'totalPages': pages,