When I run the SQL directly from psycopg and from a plpgsql function each produces different results. One returns two
columnsand the other only returns one column.
For example.
def sql_test1():
cur = CONN.cursor()
cur.execute("""
CREATE OR REPLACE FUNCTION get_some_text()
RETURNS RECORD AS $$
DECLARE
result RECORD;
BEGIN
SELECT 'some text' AS colume1, 'some more text' as column2 INTO result;
RETURN result;
END;
$$ LANGUAGE plpgsql;""")
print('test 1')
cur.execute("""SELECT 'some text' AS colume1, 'some more text' as column2;""")
print (cur.description)
print (cur.fetchone())
print ('test 2')
cur.execute("""SELECT get_some_text();""")
print (cur.description)
print (cur.fetchone())
CONN.commit()
cur.close()
Output:
test 1
(Column(name='colume1', type_code=705, display_size=None, internal_size=-2, precision=None, scale=None, null_ok=None),
Column(name='column2',type_code=705, display_size=None, internal_size=-2, precision=None, scale=None, null_ok=None))
('some text', 'some more text')
test 2
(Column(name='get_some_text', type_code=2249, display_size=None, internal_size=-1, precision=None, scale=None,
null_ok=None),)
('("some text","some more text")',)
Is this the expected results and I am misunderstanding something? Or is this a bug?
Neil
Python 3.3.0
Mac OS X 10.7.5, Postgresql 9.1.2, psycopg git clone,