1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
-- first some tests of basic functionality
CREATE LANGUAGE plpython2u;
-- really stupid function just to get the module loaded
CREATE FUNCTION stupid() RETURNS text AS 'return "zarkon"' LANGUAGE plpythonu;
select stupid();
stupid
--------
zarkon
(1 row)
-- check 2/3 versioning
CREATE FUNCTION stupidn() RETURNS text AS 'return "zarkon"' LANGUAGE plpython2u;
select stupidn();
stupidn
---------
zarkon
(1 row)
-- test multiple arguments
CREATE FUNCTION argument_test_one(u users, a1 text, a2 text) RETURNS text
AS
'keys = list(u.keys())
keys.sort()
out = []
for key in keys:
out.append("%s: %s" % (key, u[key]))
words = a1 + " " + a2 + " => {" + ", ".join(out) + "}"
return words'
LANGUAGE plpythonu;
select argument_test_one(users, fname, lname) from users where lname = 'doe' order by 1;
argument_test_one
-----------------------------------------------------------------------
jane doe => {fname: jane, lname: doe, userid: 1, username: j_doe}
john doe => {fname: john, lname: doe, userid: 2, username: johnd}
willem doe => {fname: willem, lname: doe, userid: 3, username: w_doe}
(3 rows)
-- check module contents
CREATE FUNCTION module_contents() RETURNS text AS
$$
contents = list(filter(lambda x: not x.startswith("__"), dir(plpy)))
contents.sort()
return ", ".join(contents)
$$ LANGUAGE plpythonu;
select module_contents();
module_contents
---------------------------------------------------------------------------------------------------------------------------------------
Error, Fatal, SPIError, debug, error, execute, fatal, info, log, notice, prepare, quote_ident, quote_literal, quote_nullable, warning
(1 row)
CREATE FUNCTION elog_test() RETURNS void
AS $$
plpy.debug('debug')
plpy.log('log')
plpy.info('info')
plpy.info(37)
plpy.info()
plpy.info('info', 37, [1, 2, 3])
plpy.notice('notice')
plpy.warning('warning')
plpy.error('error')
$$ LANGUAGE plpythonu;
SELECT elog_test();
INFO: info
CONTEXT: PL/Python function "elog_test"
INFO: 37
CONTEXT: PL/Python function "elog_test"
INFO: ()
CONTEXT: PL/Python function "elog_test"
INFO: ('info', 37, [1, 2, 3])
CONTEXT: PL/Python function "elog_test"
NOTICE: notice
CONTEXT: PL/Python function "elog_test"
WARNING: warning
CONTEXT: PL/Python function "elog_test"
ERROR: plpy.Error: error
CONTEXT: PL/Python function "elog_test"
|
