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connect(cursor_factory=NamedTupleCursor) seems broken
Reported by jagt | April 27th, 2014 @ 01:56 AM
Greetings. As the title suggested, NamedTupleCursor doesn't work well when passing into connect(). Here's a test case:
import psycopg2
from psycopg2.extras import NamedTupleCursor
conn = psycopg2.connect("dbname=collective user=collective", cursor_factory=NamedTupleCursor)
cur = conn.cursor()
cur.execute("SELECT 'ok';")
print(cur.fetchone())
I'm on Python3.4, psycopg2==2.5.2. Thanks in advance!
Comments and changes to this ticket
-
Daniele Varrazzo April 30th, 2014 @ 04:34 PM
- State changed from “new” to “invalid”
The error is pretty obvious:
ValueError: Type names and field names can only contain alphanumeric characters and underscores: '?column?'if you want to use a named tuple why don't you give a damn name to your fields?
cur.execute("SELECT 'ok' as blah;") print(cur.fetchone()) Record(blah='ok')
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Psycopg is the most used PostgreSQL adapter for the Python programming language. At the core it fully implements the Python DB API 2.0 specifications. Several extensions allow access to many of the features offered by PostgreSQL.
Daniele Varrazzo
Federico Di Gregorio
jagt