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author | Daniele Varrazzo <daniele.varrazzo@gmail.com> | 2018-12-27 14:53:12 +0100 |
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committer | Daniele Varrazzo <daniele.varrazzo@gmail.com> | 2018-12-27 14:53:12 +0100 |
commit | f3695e36c700d988052a6d3b8cd1dabe8efb9a00 (patch) | |
tree | a7b570e4ebafc6fff06ad3ffacaeb9f052759d20 /lib | |
parent | 25fc044d131c2afe0a1e58ee26673f055cef66f6 (diff) | |
parent | 7c8d2f484e19ddd1290b0c5ee9b3bf003bc7db79 (diff) | |
download | psycopg2-f3695e36c700d988052a6d3b8cd1dabe8efb9a00.tar.gz |
Merge remote-tracking branch 'eternalflow/execute-values-returning-clause-support'
Diffstat (limited to 'lib')
-rw-r--r-- | lib/extras.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/extras.py b/lib/extras.py index 0764edf..76bea85 100644 --- a/lib/extras.py +++ b/lib/extras.py @@ -1198,7 +1198,7 @@ def execute_batch(cur, sql, argslist, page_size=100): cur.execute(b";".join(sqls)) -def execute_values(cur, sql, argslist, template=None, page_size=100): +def execute_values(cur, sql, argslist, template=None, page_size=100, fetch=False): '''Execute a statement using :sql:`VALUES` with a sequence of parameters. :param cur: the cursor to use to execute the query. @@ -1229,6 +1229,10 @@ def execute_values(cur, sql, argslist, template=None, page_size=100): statement. If there are more items the function will execute more than one statement. + :param fetch: if `!True` return the query results into a list (like in a + `~cursor.fetchall()`). Useful for queries with :sql:`RETURNING` + clause. + .. __: https://www.postgresql.org/docs/current/static/queries-values.html After the execution of the function the `cursor.rowcount` property will @@ -1265,6 +1269,7 @@ def execute_values(cur, sql, argslist, template=None, page_size=100): sql = sql.encode(_ext.encodings[cur.connection.encoding]) pre, post = _split_sql(sql) + result = [] if fetch else None for page in _paginate(argslist, page_size=page_size): if template is None: template = b'(' + b','.join([b'%s'] * len(page[0])) + b')' @@ -1274,6 +1279,10 @@ def execute_values(cur, sql, argslist, template=None, page_size=100): parts.append(b',') parts[-1:] = post cur.execute(b''.join(parts)) + if fetch: + result.extend(cur.fetchall()) + + return result def _split_sql(sql): |