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Split the plpython regression test into test cases arranged by topic, instead

Browse Source 
of the previous monolithic setup-create-run sequence, that was apparently
inherited from a previous test infrastructure, but makes working with the
tests and adding new ones weird.
REL8_5_ALPHA1_BRANCH
Peter Eisentraut 16 years ago
parent ef7574eb01
commit 9d9848668f
34 changed files with 1927 additions and 1800 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 19
      src/pl/plpython/Makefile
  2. 8
      src/pl/plpython/expected/README
  3. 127
      src/pl/plpython/expected/plpython_error.out
  4. 38
      src/pl/plpython/expected/plpython_error_1.out
  5. 132
      src/pl/plpython/expected/plpython_error_2.out
  6. 482
      src/pl/plpython/expected/plpython_function.out
  7. 52
      src/pl/plpython/expected/plpython_global.out
  8. 76
      src/pl/plpython/expected/plpython_import.out
  9. 30
      src/pl/plpython/expected/plpython_newline.out
  10. 51
      src/pl/plpython/expected/plpython_params.out
  11. 300
      src/pl/plpython/expected/plpython_record.out
  12. 3
      src/pl/plpython/expected/plpython_schema.out
  13. 102
      src/pl/plpython/expected/plpython_setof.out
  14. 113
      src/pl/plpython/expected/plpython_spi.out
  15. 559
      src/pl/plpython/expected/plpython_test.out
  16. 153
      src/pl/plpython/expected/plpython_trigger.out
  17. 48
      src/pl/plpython/expected/plpython_unicode.out
  18. 43
      src/pl/plpython/expected/plpython_unicode_2.out
  19. 43
      src/pl/plpython/expected/plpython_unicode_3.out
  20. 29
      src/pl/plpython/expected/plpython_void.out
  21. 109
      src/pl/plpython/sql/plpython_error.sql
  22. 499
      src/pl/plpython/sql/plpython_function.sql
  23. 38
      src/pl/plpython/sql/plpython_global.sql
  24. 63
      src/pl/plpython/sql/plpython_import.sql
  25. 20
      src/pl/plpython/sql/plpython_newline.sql
  26. 34
      src/pl/plpython/sql/plpython_params.sql
  27. 104
      src/pl/plpython/sql/plpython_record.sql
  28. 4
      src/pl/plpython/sql/plpython_schema.sql
  29. 46
      src/pl/plpython/sql/plpython_setof.sql
  30. 90
      src/pl/plpython/sql/plpython_spi.sql
  31. 158
      src/pl/plpython/sql/plpython_test.sql
  32. 95
      src/pl/plpython/sql/plpython_trigger.sql
  33. 37
      src/pl/plpython/sql/plpython_unicode.sql
  34. 22
      src/pl/plpython/sql/plpython_void.sql

19
src/pl/plpython/Makefile
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@ -1,4 +1,4 @@
# $PostgreSQL: pgsql/src/pl/plpython/Makefile,v 1.32 2009/01/15 13:49:56 petere Exp $
# $PostgreSQL: pgsql/src/pl/plpython/Makefile,v 1.33 2009/08/12 16:37:25 petere Exp $
subdir = src/pl/plpython
top_builddir = ../../..
@ -57,7 +57,22 @@ endif
SHLIB_LINK = $(python_libspec) $(python_additional_libs) $(filter -lintl,$(LIBS))
REGRESS_OPTS = --dbname=$(PL_TESTDB) --load-language=plpythonu
REGRESS = plpython_schema plpython_populate plpython_function plpython_test plpython_error plpython_drop
REGRESS = \
plpython_schema \
plpython_populate \
plpython_test \
plpython_global \
plpython_import \
plpython_spi \
plpython_newline \
plpython_void \
plpython_params \
plpython_setof \
plpython_record \
plpython_trigger \
plpython_error \
plpython_unicode \
plpython_drop
# where to find psql for running the tests
PSQLDIR = $(bindir)

8
src/pl/plpython/expected/README
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@ -0,0 +1,8 @@
Guide to alternative expected files:
plpython_error_2.out Python 2.2, 2.3, 2.4
plpython_error.out Python 2.5, 2.6
plpython_unicode_2.out Python 2.2
plpython_unicode_3.out Python 2.3, 2.4
plpython_unicode.out Python 2.5, 2.6

127
src/pl/plpython/expected/plpython_error.out
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@ -1,45 +1,124 @@
-- test error handling, i forgot to restore Warn_restart in
-- the trigger handler once. the errors and subsequent core dump were
-- interesting.
/* Flat out syntax error
*/
CREATE FUNCTION sql_syntax_error() RETURNS text
AS
'plpy.execute("syntax error")'
LANGUAGE plpythonu;
SELECT sql_syntax_error();
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_execute_query
CONTEXT: PL/Python function "sql_syntax_error"
ERROR: syntax error at or near "syntax"
LINE 1: syntax error
^
QUERY: syntax error
CONTEXT: PL/Python function "sql_syntax_error"
/* check the handling of uncaught python exceptions
*/
CREATE FUNCTION exception_index_invalid(text) RETURNS text
AS
'return args[1]'
LANGUAGE plpythonu;
SELECT exception_index_invalid('test');
ERROR: PL/Python: PL/Python function "exception_index_invalid" failed
DETAIL: <type 'exceptions.IndexError'>: list index out of range
CONTEXT: PL/Python function "exception_index_invalid"
/* check handling of nested exceptions
*/
CREATE FUNCTION exception_index_invalid_nested() RETURNS text
AS
'rv = plpy.execute("SELECT test5(''foo'')")
return rv[0]'
LANGUAGE plpythonu;
SELECT exception_index_invalid_nested();
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_execute_query
CONTEXT: PL/Python function "exception_index_invalid_nested"
ERROR: function test5(unknown) does not exist
LINE 1: SELECT test5('foo')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
QUERY: SELECT test5('foo')
CONTEXT: PL/Python function "exception_index_invalid_nested"
/* a typo
*/
CREATE FUNCTION invalid_type_uncaught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
SD["plan"] = plpy.prepare(q, [ "test" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_uncaught('rick');
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_prepare
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_uncaught"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_uncaught"
/* for what it's worth catch the exception generated by
* the typo, and return None
*/
CREATE FUNCTION invalid_type_caught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.notice(str(ex))
return None
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_caught('rick');
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_prepare
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_caught"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_caught"
/* for what it's worth catch the exception generated by
* the typo, and reraise it as a plain error
*/
CREATE FUNCTION invalid_type_reraised(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.error(str(ex))
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_reraised('rick');
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_prepare
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_reraised"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_reraised"
/* no typo no messing about
*/
CREATE FUNCTION valid_type(a text) RETURNS text
AS
'if not SD.has_key("plan"):
SD["plan"] = plpy.prepare("SELECT fname FROM users WHERE lname = $1", [ "text" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT valid_type('rick');
valid_type
------------
(1 row)
--
-- Test Unicode error handling.
--
SELECT unicode_return_error();
ERROR: PL/Python: could not create string representation of Python object, while creating return value
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_return_error"
INSERT INTO unicode_test (testvalue) VALUES ('test');
ERROR: PL/Python: could not compute string representation of Python object, while modifying trigger row
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_trigger_error"
SELECT unicode_plan_error1();
WARNING: PL/Python: plpy.Error: unrecognized error in PLy_spi_execute_plan
CONTEXT: PL/Python function "unicode_plan_error1"
ERROR: PL/Python: could not execute plan
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_plan_error1"
SELECT unicode_plan_error2();
ERROR: PL/Python: could not execute plan
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_plan_error2"

38
src/pl/plpython/expected/plpython_error_1.out
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@ -1,38 +0,0 @@
-- test error handling, i forgot to restore Warn_restart in
-- the trigger handler once. the errors and subsequent core dump were
-- interesting.
SELECT invalid_type_uncaught('rick');
WARNING: PL/Python: in PL/Python function "invalid_type_uncaught"
DETAIL: plpy.SPIError: unrecognized error in PLy_spi_prepare
ERROR: type "test" does not exist
SELECT invalid_type_caught('rick');
WARNING: PL/Python: in PL/Python function "invalid_type_caught"
DETAIL: plpy.SPIError: unrecognized error in PLy_spi_prepare
ERROR: type "test" does not exist
SELECT invalid_type_reraised('rick');
WARNING: PL/Python: in PL/Python function "invalid_type_reraised"
DETAIL: plpy.SPIError: unrecognized error in PLy_spi_prepare
ERROR: type "test" does not exist
SELECT valid_type('rick');
valid_type
------------
(1 row)
--
-- Test Unicode error handling.
--
SELECT unicode_return_error();
ERROR: PL/Python: could not create string representation of Python object in PL/Python function "unicode_return_error" while creating return value
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character '\u80' in position 0: ordinal not in range(128)
INSERT INTO unicode_test (testvalue) VALUES ('test');
ERROR: PL/Python: could not compute string representation of Python object in PL/Python function "unicode_trigger_error" while modifying trigger row
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character '\u80' in position 0: ordinal not in range(128)
SELECT unicode_plan_error1();
WARNING: PL/Python: in PL/Python function "unicode_plan_error1"
DETAIL: plpy.Error: unrecognized error in PLy_spi_execute_plan
ERROR: PL/Python: PL/Python function "unicode_plan_error1" could not execute plan
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character '\u80' in position 0: ordinal not in range(128)
SELECT unicode_plan_error2();
ERROR: PL/Python: PL/Python function "unicode_plan_error2" could not execute plan
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character '\u80' in position 0: ordinal not in range(128)

132
src/pl/plpython/expected/plpython_error_2.out
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@ -1,38 +1,124 @@
-- test error handling, i forgot to restore Warn_restart in
-- the trigger handler once. the errors and subsequent core dump were
-- interesting.
/* Flat out syntax error
*/
CREATE FUNCTION sql_syntax_error() RETURNS text
AS
'plpy.execute("syntax error")'
LANGUAGE plpythonu;
SELECT sql_syntax_error();
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_execute_query
CONTEXT: PL/Python function "sql_syntax_error"
ERROR: syntax error at or near "syntax"
LINE 1: syntax error
^
QUERY: syntax error
CONTEXT: PL/Python function "sql_syntax_error"
/* check the handling of uncaught python exceptions
*/
CREATE FUNCTION exception_index_invalid(text) RETURNS text
AS
'return args[1]'
LANGUAGE plpythonu;
SELECT exception_index_invalid('test');
ERROR: PL/Python: PL/Python function "exception_index_invalid" failed
DETAIL: exceptions.IndexError: list index out of range
CONTEXT: PL/Python function "exception_index_invalid"
/* check handling of nested exceptions
*/
CREATE FUNCTION exception_index_invalid_nested() RETURNS text
AS
'rv = plpy.execute("SELECT test5(''foo'')")
return rv[0]'
LANGUAGE plpythonu;
SELECT exception_index_invalid_nested();
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_execute_query
CONTEXT: PL/Python function "exception_index_invalid_nested"
ERROR: function test5(unknown) does not exist
LINE 1: SELECT test5('foo')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
QUERY: SELECT test5('foo')
CONTEXT: PL/Python function "exception_index_invalid_nested"
/* a typo
*/
CREATE FUNCTION invalid_type_uncaught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
SD["plan"] = plpy.prepare(q, [ "test" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_uncaught('rick');
WARNING: plpython: in function invalid_type_uncaught:
DETAIL: plpy.SPIError: Unknown error in PLy_spi_prepare
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_uncaught"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_uncaught"
/* for what it's worth catch the exception generated by
* the typo, and return None
*/
CREATE FUNCTION invalid_type_caught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.notice(str(ex))
return None
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_caught('rick');
WARNING: plpython: in function invalid_type_caught:
DETAIL: plpy.SPIError: Unknown error in PLy_spi_prepare
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_caught"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_caught"
/* for what it's worth catch the exception generated by
* the typo, and reraise it as a plain error
*/
CREATE FUNCTION invalid_type_reraised(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.error(str(ex))
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_reraised('rick');
WARNING: plpython: in function invalid_type_reraised:
DETAIL: plpy.SPIError: Unknown error in PLy_spi_prepare
WARNING: PL/Python: plpy.SPIError: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_reraised"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_reraised"
/* no typo no messing about
*/
CREATE FUNCTION valid_type(a text) RETURNS text
AS
'if not SD.has_key("plan"):
SD["plan"] = plpy.prepare("SELECT fname FROM users WHERE lname = $1", [ "text" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT valid_type('rick');
valid_type
------------
(1 row)
--
-- Test Unicode error handling.
--
SELECT unicode_return_error();
ERROR: plpython: function "unicode_return_error" could not create return value
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
INSERT INTO unicode_test (testvalue) VALUES ('test');
ERROR: plpython: function "unicode_trigger_error" could not modify tuple
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
SELECT unicode_plan_error1();
WARNING: plpython: in function unicode_plan_error1:
DETAIL: plpy.Error: Unknown error in PLy_spi_execute_plan
ERROR: plpython: function "unicode_plan_error1" could not execute plan
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
SELECT unicode_plan_error2();
ERROR: plpython: function "unicode_plan_error2" could not execute plan
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)

482
src/pl/plpython/expected/plpython_function.out
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@ -1,482 +0,0 @@
CREATE FUNCTION global_test_one() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_one"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_one"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION global_test_two() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_two"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_two"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION static_test() returns int4
AS
'if SD.has_key("call"):
SD["call"] = SD["call"] + 1
else:
SD["call"] = 1
return SD["call"]
'
LANGUAGE plpythonu;
-- import python modules
CREATE FUNCTION import_fail() returns text
AS
'try:
import foosocket
except Exception, ex:
plpy.notice("import socket failed -- %s" % str(ex))
return "failed as expected"
return "succeeded, that wasn''t supposed to happen"'
LANGUAGE plpythonu;
CREATE FUNCTION import_succeed() returns text
AS
'try:
import array
import bisect
import calendar
import cmath
import errno
import math
import md5
import operator
import random
import re
import sha
import string
import time
except Exception, ex:
plpy.notice("import failed -- %s" % str(ex))
return "failed, that wasn''t supposed to happen"
return "succeeded, as expected"'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_one(p text) RETURNS text
AS
'import sha
digest = sha.new(p)
return digest.hexdigest()'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_two(u users) RETURNS text
AS
'import sha
plain = u["fname"] + u["lname"]
digest = sha.new(plain);
return "sha hash of " + plain + " is " + digest.hexdigest()'
LANGUAGE plpythonu;
CREATE FUNCTION argument_test_one(u users, a1 text, a2 text) RETURNS text
AS
'keys = 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;
-- these triggers are dedicated to HPHC of RI who
-- decided that my kid's name was william not willem, and
-- vigorously resisted all efforts at correction. they have
-- since gone bankrupt...
CREATE FUNCTION users_insert() returns trigger
AS
'if TD["new"]["fname"] == None or TD["new"]["lname"] == None:
return "SKIP"
if TD["new"]["username"] == None:
TD["new"]["username"] = TD["new"]["fname"][:1] + "_" + TD["new"]["lname"]
rv = "MODIFY"
else:
rv = None
if TD["new"]["fname"] == "william":
TD["new"]["fname"] = TD["args"][0]
rv = "MODIFY"
return rv'
LANGUAGE plpythonu;
CREATE FUNCTION users_update() returns trigger
AS
'if TD["event"] == "UPDATE":
if TD["old"]["fname"] != TD["new"]["fname"] and TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE FUNCTION users_delete() RETURNS trigger
AS
'if TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE TRIGGER users_insert_trig BEFORE INSERT ON users FOR EACH ROW
EXECUTE PROCEDURE users_insert ('willem');
CREATE TRIGGER users_update_trig BEFORE UPDATE ON users FOR EACH ROW
EXECUTE PROCEDURE users_update ('willem');
CREATE TRIGGER users_delete_trig BEFORE DELETE ON users FOR EACH ROW
EXECUTE PROCEDURE users_delete ('willem');
-- dump trigger data
CREATE TABLE trigger_test
(i int, v text );
CREATE FUNCTION trigger_data() returns trigger language plpythonu as $$
if TD.has_key('relid'):
TD['relid'] = "bogus:12345"
skeys = TD.keys()
skeys.sort()
for key in skeys:
val = TD[key]
plpy.notice("TD[" + key + "] => " + str(val))
return None
$$;
CREATE TRIGGER show_trigger_data_trig
BEFORE INSERT OR UPDATE OR DELETE ON trigger_test
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
insert into trigger_test values(1,'insert');
NOTICE: ("TD[args] => ['23', 'skidoo']",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[event] => INSERT',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[level] => ROW',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[name] => show_trigger_data_trig',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[new] => {'i': 1, 'v': 'insert'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[old] => None',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[relid] => bogus:12345',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_name] => trigger_test',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_schema] => public',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[when] => BEFORE',)
CONTEXT: PL/Python function "trigger_data"
update trigger_test set v = 'update' where i = 1;
NOTICE: ("TD[args] => ['23', 'skidoo']",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[event] => UPDATE',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[level] => ROW',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[name] => show_trigger_data_trig',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[new] => {'i': 1, 'v': 'update'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[old] => {'i': 1, 'v': 'insert'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[relid] => bogus:12345',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_name] => trigger_test',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_schema] => public',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[when] => BEFORE',)
CONTEXT: PL/Python function "trigger_data"
delete from trigger_test;
NOTICE: ("TD[args] => ['23', 'skidoo']",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[event] => DELETE',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[level] => ROW',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[name] => show_trigger_data_trig',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[new] => None',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[old] => {'i': 1, 'v': 'update'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[relid] => bogus:12345',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_name] => trigger_test',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_schema] => public',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[when] => BEFORE',)
CONTEXT: PL/Python function "trigger_data"
DROP TRIGGER show_trigger_data_trig on trigger_test;
DROP FUNCTION trigger_data();
-- nested calls
--
CREATE FUNCTION nested_call_one(a text) RETURNS text
AS
'q = "SELECT nested_call_two(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_two(a text) RETURNS text
AS
'q = "SELECT nested_call_three(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_three(a text) RETURNS text
AS
'return a'
LANGUAGE plpythonu ;
-- some spi stuff
CREATE FUNCTION spi_prepared_plan_test_one(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT count(*) FROM users WHERE lname = $1"
SD["myplan"] = plpy.prepare(q, [ "text" ])
try:
rv = plpy.execute(SD["myplan"], [a])
return "there are " + str(rv[0]["count"]) + " " + str(a) + "s"
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
CREATE FUNCTION spi_prepared_plan_test_nested(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT spi_prepared_plan_test_one(''%s'') as count" % a
SD["myplan"] = plpy.prepare(q)
try:
rv = plpy.execute(SD["myplan"])
if len(rv):
return rv[0]["count"]
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
/* really stupid function just to get the module loaded
*/
CREATE FUNCTION stupid() RETURNS text AS 'return "zarkon"' LANGUAGE plpythonu;
/* a typo
*/
CREATE FUNCTION invalid_type_uncaught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
SD["plan"] = plpy.prepare(q, [ "test" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* for what it's worth catch the exception generated by
* the typo, and return None
*/
CREATE FUNCTION invalid_type_caught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.notice(str(ex))
return None
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* for what it's worth catch the exception generated by
* the typo, and reraise it as a plain error
*/
CREATE FUNCTION invalid_type_reraised(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.error(str(ex))
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* no typo no messing about
*/
CREATE FUNCTION valid_type(a text) RETURNS text
AS
'if not SD.has_key("plan"):
SD["plan"] = plpy.prepare("SELECT fname FROM users WHERE lname = $1", [ "text" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* Flat out syntax error
*/
CREATE FUNCTION sql_syntax_error() RETURNS text
AS
'plpy.execute("syntax error")'
LANGUAGE plpythonu;
/* check the handling of uncaught python exceptions
*/
CREATE FUNCTION exception_index_invalid(text) RETURNS text
AS
'return args[1]'
LANGUAGE plpythonu;
/* check handling of nested exceptions
*/
CREATE FUNCTION exception_index_invalid_nested() RETURNS text
AS
'rv = plpy.execute("SELECT test5(''foo'')")
return rv[0]'
LANGUAGE plpythonu;
CREATE FUNCTION join_sequences(s sequences) RETURNS text
AS
'if not s["multipart"]:
return s["sequence"]
q = "SELECT sequence FROM xsequences WHERE pid = ''%s''" % s["pid"]
rv = plpy.execute(q)
seq = s["sequence"]
for r in rv:
seq = seq + r["sequence"]
return seq
'
LANGUAGE plpythonu;
--
-- Universal Newline Support
--
CREATE OR REPLACE FUNCTION newline_lf() RETURNS integer AS
E'x = 100\ny = 23\nreturn x + y\n'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_cr() RETURNS integer AS
E'x = 100\ry = 23\rreturn x + y\r'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_crlf() RETURNS integer AS
E'x = 100\r\ny = 23\r\nreturn x + y\r\n'
LANGUAGE plpythonu;
--
-- Unicode error handling
--
CREATE FUNCTION unicode_return_error() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
TD["new"]["testvalue"] = u"\\x80"
return "MODIFY"
' LANGUAGE plpythonu;
CREATE TRIGGER unicode_test_bi BEFORE INSERT ON unicode_test
FOR EACH ROW EXECUTE PROCEDURE unicode_trigger_error();
CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue", ["text"])
rv = plpy.execute(plan, [u"\\x80"], 1)
return rv[0]["testvalue"]
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_plan_error2() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue1, $2 AS testvalue2", ["text", "text"])
rv = plpy.execute(plan, u"\\x80", 1)
return rv[0]["testvalue1"]
' LANGUAGE plpythonu;
-- Tests for functions that return void
CREATE FUNCTION test_void_func1() RETURNS void AS $$
x = 10
$$ LANGUAGE plpythonu;
-- illegal: can't return non-None value in void-returning func
CREATE FUNCTION test_void_func2() RETURNS void AS $$
return 10
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_return_none() RETURNS int AS $$
None
$$ LANGUAGE plpythonu;
--
-- Test named and nameless parameters
--
CREATE FUNCTION test_param_names0(integer, integer) RETURNS int AS $$
return args[0] + args[1]
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names1(a0 integer, a1 text) RETURNS boolean AS $$
assert a0 == args[0]
assert a1 == args[1]
return True
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names2(u users) RETURNS text AS $$
assert u == args[0]
return str(u)
$$ LANGUAGE plpythonu;
-- use deliberately wrong parameter names
CREATE FUNCTION test_param_names3(a0 integer) RETURNS boolean AS $$
try:
assert a1 == args[0]
return False
except NameError, e:
assert e.args[0].find("a1") > -1
return True
$$ LANGUAGE plpythonu;
--
-- Test returning SETOF
--
CREATE FUNCTION test_setof_as_list(count integer, content text) RETURNS SETOF text AS $$
return [ content ]*count
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_tuple(count integer, content text) RETURNS SETOF text AS $$
t = ()
for i in xrange(count):
t += ( content, )
return t
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_iterator(count integer, content text) RETURNS SETOF text AS $$
class producer:
def __init__ (self, icount, icontent):
self.icontent = icontent
self.icount = icount
def __iter__ (self):
return self
def next (self):
if self.icount == 0:
raise StopIteration
self.icount -= 1
return self.icontent
return producer(count, content)
$$ LANGUAGE plpythonu;
--
-- Test returning tuples
--
CREATE FUNCTION test_table_record_as(typ text, first text, second integer, retnull boolean) RETURNS table_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_type_record_as(typ text, first text, second integer, retnull boolean) RETURNS type_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_in_out_params(first in text, second out text) AS $$
return first + '_in_to_out';
$$ LANGUAGE plpythonu;
-- this doesn't work yet :-(
CREATE FUNCTION test_in_out_params_multi(first in text,
second out text, third out text) AS $$
return first + '_record_in_to_out';
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_inout_params(first inout text) AS $$
return first + '_inout';
$$ LANGUAGE plpythonu;

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--
-- check static and global data (SD and GD)
--
CREATE FUNCTION global_test_one() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_one"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_one"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION global_test_two() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_two"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_two"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION static_test() returns int4
AS
'if SD.has_key("call"):
SD["call"] = SD["call"] + 1
else:
SD["call"] = 1
return SD["call"]
'
LANGUAGE plpythonu;
SELECT static_test();
static_test
-------------
1
(1 row)
SELECT static_test();
static_test
-------------
2
(1 row)
SELECT global_test_one();
global_test_one
--------------------------------------------------------
SD: set by global_test_one, GD: set by global_test_one
(1 row)
SELECT global_test_two();
global_test_two
--------------------------------------------------------
SD: set by global_test_two, GD: set by global_test_one
(1 row)

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-- import python modules
CREATE FUNCTION import_fail() returns text
AS
'try:
import foosocket
except Exception, ex:
plpy.notice("import socket failed -- %s" % str(ex))
return "failed as expected"
return "succeeded, that wasn''t supposed to happen"'
LANGUAGE plpythonu;
CREATE FUNCTION import_succeed() returns text
AS
'try:
import array
import bisect
import calendar
import cmath
import errno
import math
import md5
import operator
import random
import re
import sha
import string
import time
except Exception, ex:
plpy.notice("import failed -- %s" % str(ex))
return "failed, that wasn''t supposed to happen"
return "succeeded, as expected"'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_one(p text) RETURNS text
AS
'import sha
digest = sha.new(p)
return digest.hexdigest()'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_two(u users) RETURNS text
AS
'import sha
plain = u["fname"] + u["lname"]
digest = sha.new(plain);
return "sha hash of " + plain + " is " + digest.hexdigest()'
LANGUAGE plpythonu;
-- import python modules
--
SELECT import_fail();
NOTICE: ('import socket failed -- No module named foosocket',)
CONTEXT: PL/Python function "import_fail"
import_fail
--------------------
failed as expected
(1 row)
SELECT import_succeed();
import_succeed
------------------------
succeeded, as expected
(1 row)
-- test import and simple argument handling
--
SELECT import_test_one('sha hash of this string');
import_test_one
------------------------------------------
a04e23cb9b1a09cd1051a04a7c571aae0f90346c
(1 row)
-- test import and tuple argument handling
--
select import_test_two(users) from users where fname = 'willem';
import_test_two
-------------------------------------------------------------------
sha hash of willemdoe is 3cde6b574953b0ca937b4d76ebc40d534d910759
(1 row)

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--
-- Universal Newline Support
--
CREATE OR REPLACE FUNCTION newline_lf() RETURNS integer AS
E'x = 100\ny = 23\nreturn x + y\n'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_cr() RETURNS integer AS
E'x = 100\ry = 23\rreturn x + y\r'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_crlf() RETURNS integer AS
E'x = 100\r\ny = 23\r\nreturn x + y\r\n'
LANGUAGE plpythonu;
SELECT newline_lf();
newline_lf
------------
123
(1 row)
SELECT newline_cr();
newline_cr
------------
123
(1 row)
SELECT newline_crlf();
newline_crlf
--------------
123
(1 row)

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--
-- Test named and nameless parameters
--
CREATE FUNCTION test_param_names0(integer, integer) RETURNS int AS $$
return args[0] + args[1]
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names1(a0 integer, a1 text) RETURNS boolean AS $$
assert a0 == args[0]
assert a1 == args[1]
return True
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names2(u users) RETURNS text AS $$
assert u == args[0]
return str(u)
$$ LANGUAGE plpythonu;
-- use deliberately wrong parameter names
CREATE FUNCTION test_param_names3(a0 integer) RETURNS boolean AS $$
try:
assert a1 == args[0]
return False
except NameError, e:
assert e.args[0].find("a1") > -1
return True
$$ LANGUAGE plpythonu;
SELECT test_param_names0(2,7);
test_param_names0
-------------------
9
(1 row)
SELECT test_param_names1(1,'text');
test_param_names1
-------------------
t
(1 row)
SELECT test_param_names2(users) from users;
test_param_names2
-----------------------------------------------------------------------
{'lname': 'doe', 'username': 'j_doe', 'userid': 1, 'fname': 'jane'}
{'lname': 'doe', 'username': 'johnd', 'userid': 2, 'fname': 'john'}
{'lname': 'doe', 'username': 'w_doe', 'userid': 3, 'fname': 'willem'}
{'lname': 'smith', 'username': 'slash', 'userid': 4, 'fname': 'rick'}
(4 rows)
SELECT test_param_names3(1);
test_param_names3
-------------------
t
(1 row)

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--
-- Test returning tuples
--
CREATE FUNCTION test_table_record_as(typ text, first text, second integer, retnull boolean) RETURNS table_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_type_record_as(typ text, first text, second integer, retnull boolean) RETURNS type_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_in_out_params(first in text, second out text) AS $$
return first + '_in_to_out';
$$ LANGUAGE plpythonu;
-- this doesn't work yet :-(
CREATE FUNCTION test_in_out_params_multi(first in text,
second out text, third out text) AS $$
return first + '_record_in_to_out';
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_inout_params(first inout text) AS $$
return first + '_inout';
$$ LANGUAGE plpythonu;
-- Test tuple returning functions
SELECT * FROM test_table_record_as('dict', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('dict', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('dict', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('dict', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('dict', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('tuple', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('tuple', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('tuple', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('tuple', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('tuple', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('list', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('list', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('list', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('list', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('list', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('obj', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('obj', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('obj', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('obj', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('obj', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('dict', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('dict', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('dict', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('dict', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('dict', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('tuple', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('tuple', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('tuple', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('tuple', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('tuple', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('list', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('list', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('list', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('list', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('list', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('obj', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('obj', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('obj', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('obj', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('obj', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_in_out_params('test_in');
second
-------------------
test_in_in_to_out
(1 row)
-- this doesn't work yet :-(
SELECT * FROM test_in_out_params_multi('test_in');
ERROR: PL/Python functions cannot return type record
SELECT * FROM test_inout_params('test_in');
first
---------------
test_in_inout
(1 row)

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src/pl/plpython/expected/plpython_schema.out
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@ -41,9 +41,6 @@ CREATE TABLE xsequences (
sequence text not null
) ;
CREATE INDEX xsequences_pid_idx ON xsequences(pid) ;
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
CREATE TABLE table_record (
first text,
second int4

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--
-- Test returning SETOF
--
CREATE FUNCTION test_setof_as_list(count integer, content text) RETURNS SETOF text AS $$
return [ content ]*count
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_tuple(count integer, content text) RETURNS SETOF text AS $$
t = ()
for i in xrange(count):
t += ( content, )
return t
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_iterator(count integer, content text) RETURNS SETOF text AS $$
class producer:
def __init__ (self, icount, icontent):
self.icontent = icontent
self.icount = icount
def __iter__ (self):
return self
def next (self):
if self.icount == 0:
raise StopIteration
self.icount -= 1
return self.icontent
return producer(count, content)
$$ LANGUAGE plpythonu;
-- Test set returning functions
SELECT test_setof_as_list(0, 'list');
test_setof_as_list
--------------------
(0 rows)
SELECT test_setof_as_list(1, 'list');
test_setof_as_list
--------------------
list
(1 row)
SELECT test_setof_as_list(2, 'list');
test_setof_as_list
--------------------
list
list
(2 rows)
SELECT test_setof_as_list(2, null);
test_setof_as_list
--------------------
(2 rows)
SELECT test_setof_as_tuple(0, 'tuple');
test_setof_as_tuple
---------------------
(0 rows)
SELECT test_setof_as_tuple(1, 'tuple');
test_setof_as_tuple
---------------------
tuple
(1 row)
SELECT test_setof_as_tuple(2, 'tuple');
test_setof_as_tuple
---------------------
tuple
tuple
(2 rows)
SELECT test_setof_as_tuple(2, null);
test_setof_as_tuple
---------------------
(2 rows)
SELECT test_setof_as_iterator(0, 'list');
test_setof_as_iterator
------------------------
(0 rows)
SELECT test_setof_as_iterator(1, 'list');
test_setof_as_iterator
------------------------
list
(1 row)
SELECT test_setof_as_iterator(2, 'list');
test_setof_as_iterator
------------------------
list
list
(2 rows)
SELECT test_setof_as_iterator(2, null);
test_setof_as_iterator
------------------------
(2 rows)

113
src/pl/plpython/expected/plpython_spi.out
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@ -0,0 +1,113 @@
-- nested calls
--
CREATE FUNCTION nested_call_one(a text) RETURNS text
AS
'q = "SELECT nested_call_two(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_two(a text) RETURNS text
AS
'q = "SELECT nested_call_three(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_three(a text) RETURNS text
AS
'return a'
LANGUAGE plpythonu ;
-- some spi stuff
CREATE FUNCTION spi_prepared_plan_test_one(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT count(*) FROM users WHERE lname = $1"
SD["myplan"] = plpy.prepare(q, [ "text" ])
try:
rv = plpy.execute(SD["myplan"], [a])
return "there are " + str(rv[0]["count"]) + " " + str(a) + "s"
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
CREATE FUNCTION spi_prepared_plan_test_nested(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT spi_prepared_plan_test_one(''%s'') as count" % a
SD["myplan"] = plpy.prepare(q)
try:
rv = plpy.execute(SD["myplan"])
if len(rv):
return rv[0]["count"]
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
CREATE FUNCTION join_sequences(s sequences) RETURNS text
AS
'if not s["multipart"]:
return s["sequence"]
q = "SELECT sequence FROM xsequences WHERE pid = ''%s''" % s["pid"]
rv = plpy.execute(q)
seq = s["sequence"]
for r in rv:
seq = seq + r["sequence"]
return seq
'
LANGUAGE plpythonu;
-- spi and nested calls
--
select nested_call_one('pass this along');
nested_call_one
-----------------------------------------------------------------
{'nested_call_two': "{'nested_call_three': 'pass this along'}"}
(1 row)
select spi_prepared_plan_test_one('doe');
spi_prepared_plan_test_one
----------------------------
there are 3 does
(1 row)
select spi_prepared_plan_test_one('smith');
spi_prepared_plan_test_one
----------------------------
there are 1 smiths
(1 row)
select spi_prepared_plan_test_nested('smith');
spi_prepared_plan_test_nested
-------------------------------
there are 1 smiths
(1 row)
SELECT join_sequences(sequences) FROM sequences;
join_sequences
----------------
ABCDEFGHIJKL
ABCDEF
ABCDEF
ABCDEF
ABCDEF
ABCDEF
(6 rows)
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^A';
join_sequences
----------------
ABCDEFGHIJKL
ABCDEF
ABCDEF
ABCDEF
ABCDEF
ABCDEF
(6 rows)
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^B';
join_sequences
----------------
(0 rows)

559
src/pl/plpython/expected/plpython_test.out
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@ -1,73 +1,23 @@
-- first some tests of basic functionality
--
-- better succeed
--
-- 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 static and global data
--
SELECT static_test();
static_test
-------------
1
(1 row)
SELECT static_test();
static_test
-------------
2
(1 row)
SELECT global_test_one();
global_test_one
--------------------------------------------------------
SD: set by global_test_one, GD: set by global_test_one
(1 row)
SELECT global_test_two();
global_test_two
--------------------------------------------------------
SD: set by global_test_two, GD: set by global_test_one
(1 row)
-- import python modules
--
SELECT import_fail();
NOTICE: ('import socket failed -- No module named foosocket',)
CONTEXT: PL/Python function "import_fail"
import_fail
--------------------
failed as expected
(1 row)
SELECT import_succeed();
import_succeed
------------------------
succeeded, as expected
(1 row)
-- test import and simple argument handling
--
SELECT import_test_one('sha hash of this string');
import_test_one
------------------------------------------
a04e23cb9b1a09cd1051a04a7c571aae0f90346c
(1 row)
-- test import and tuple argument handling
--
select import_test_two(users) from users where fname = 'willem';
import_test_two
-------------------------------------------------------------------
sha hash of willemdoe is 3cde6b574953b0ca937b4d76ebc40d534d910759
(1 row)
-- test multiple arguments
--
CREATE FUNCTION argument_test_one(u users, a1 text, a2 text) RETURNS text
AS
'keys = 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
-----------------------------------------------------------------------
@ -76,488 +26,3 @@ select argument_test_one(users, fname, lname) from users where lname = 'doe' ord
willem doe => {fname: willem, lname: doe, userid: 3, username: w_doe}
(3 rows)
-- spi and nested calls
--
select nested_call_one('pass this along');
nested_call_one
-----------------------------------------------------------------
{'nested_call_two': "{'nested_call_three': 'pass this along'}"}
(1 row)
select spi_prepared_plan_test_one('doe');
spi_prepared_plan_test_one
----------------------------
there are 3 does
(1 row)
select spi_prepared_plan_test_one('smith');
spi_prepared_plan_test_one
----------------------------
there are 1 smiths
(1 row)
select spi_prepared_plan_test_nested('smith');
spi_prepared_plan_test_nested
-------------------------------
there are 1 smiths
(1 row)
-- quick peek at the table
--
SELECT * FROM users;
fname | lname | username | userid
--------+-------+----------+--------
jane | doe | j_doe | 1
john | doe | johnd | 2
willem | doe | w_doe | 3
rick | smith | slash | 4
(4 rows)
-- should fail
--
UPDATE users SET fname = 'william' WHERE fname = 'willem';
-- should modify william to willem and create username
--
INSERT INTO users (fname, lname) VALUES ('william', 'smith');
INSERT INTO users (fname, lname, username) VALUES ('charles', 'darwin', 'beagle');
SELECT * FROM users;
fname | lname | username | userid
---------+--------+----------+--------
jane | doe | j_doe | 1
john | doe | johnd | 2
willem | doe | w_doe | 3
rick | smith | slash | 4
willem | smith | w_smith | 5
charles | darwin | beagle | 6
(6 rows)
SELECT join_sequences(sequences) FROM sequences;
join_sequences
----------------
ABCDEFGHIJKL
ABCDEF
ABCDEF
ABCDEF
ABCDEF
ABCDEF
(6 rows)
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^A';
join_sequences
----------------
ABCDEFGHIJKL
ABCDEF
ABCDEF
ABCDEF
ABCDEF
ABCDEF
(6 rows)
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^B';
join_sequences
----------------
(0 rows)
-- error in trigger
--
--
-- Check Universal Newline Support
--
SELECT newline_lf();
newline_lf
------------
123
(1 row)
SELECT newline_cr();
newline_cr
------------
123
(1 row)
SELECT newline_crlf();
newline_crlf
--------------
123
(1 row)
-- Tests for functions returning void
SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
test_void_func1 | is null
-----------------+---------
| f
(1 row)
SELECT test_void_func2(); -- should fail
ERROR: PL/Python function with return type "void" did not return None
CONTEXT: PL/Python function "test_void_func2"
SELECT test_return_none(), test_return_none() IS NULL AS "is null";
test_return_none | is null
------------------+---------
| t
(1 row)
-- Test for functions with named and nameless parameters
SELECT test_param_names0(2,7);
test_param_names0
-------------------
9
(1 row)
SELECT test_param_names1(1,'text');
test_param_names1
-------------------
t
(1 row)
SELECT test_param_names2(users) from users;
test_param_names2
----------------------------------------------------------------------------
{'lname': 'doe', 'username': 'j_doe', 'userid': 1, 'fname': 'jane'}
{'lname': 'doe', 'username': 'johnd', 'userid': 2, 'fname': 'john'}
{'lname': 'doe', 'username': 'w_doe', 'userid': 3, 'fname': 'willem'}
{'lname': 'smith', 'username': 'slash', 'userid': 4, 'fname': 'rick'}
{'lname': 'smith', 'username': 'w_smith', 'userid': 5, 'fname': 'willem'}
{'lname': 'darwin', 'username': 'beagle', 'userid': 6, 'fname': 'charles'}
(6 rows)
SELECT test_param_names3(1);
test_param_names3
-------------------
t
(1 row)
-- Test set returning functions
SELECT test_setof_as_list(0, 'list');
test_setof_as_list
--------------------
(0 rows)
SELECT test_setof_as_list(1, 'list');
test_setof_as_list
--------------------
list
(1 row)
SELECT test_setof_as_list(2, 'list');
test_setof_as_list
--------------------
list
list
(2 rows)
SELECT test_setof_as_list(2, null);
test_setof_as_list
--------------------
(2 rows)
SELECT test_setof_as_tuple(0, 'tuple');
test_setof_as_tuple
---------------------
(0 rows)
SELECT test_setof_as_tuple(1, 'tuple');
test_setof_as_tuple
---------------------
tuple
(1 row)
SELECT test_setof_as_tuple(2, 'tuple');
test_setof_as_tuple
---------------------
tuple
tuple
(2 rows)
SELECT test_setof_as_tuple(2, null);
test_setof_as_tuple
---------------------
(2 rows)
SELECT test_setof_as_iterator(0, 'list');
test_setof_as_iterator
------------------------
(0 rows)
SELECT test_setof_as_iterator(1, 'list');
test_setof_as_iterator
------------------------
list
(1 row)
SELECT test_setof_as_iterator(2, 'list');
test_setof_as_iterator
------------------------
list
list
(2 rows)
SELECT test_setof_as_iterator(2, null);
test_setof_as_iterator
------------------------
(2 rows)
-- Test tuple returning functions
SELECT * FROM test_table_record_as('dict', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('dict', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('dict', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('dict', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('dict', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('tuple', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('tuple', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('tuple', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('tuple', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('tuple', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('list', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('list', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('list', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('list', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('list', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('obj', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_table_record_as('obj', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_table_record_as('obj', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_table_record_as('obj', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_table_record_as('obj', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('dict', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('dict', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('dict', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('dict', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('dict', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('tuple', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('tuple', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('tuple', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('tuple', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('tuple', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('list', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('list', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('list', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('list', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('list', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('obj', null, null, false);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_type_record_as('obj', 'one', null, false);
first | second
-------+--------
one |
(1 row)
SELECT * FROM test_type_record_as('obj', null, 2, false);
first | second
-------+--------
| 2
(1 row)
SELECT * FROM test_type_record_as('obj', 'three', 3, false);
first | second
-------+--------
three | 3
(1 row)
SELECT * FROM test_type_record_as('obj', null, null, true);
first | second
-------+--------
|
(1 row)
SELECT * FROM test_in_out_params('test_in');
second
-------------------
test_in_in_to_out
(1 row)
-- this doesn't work yet :-(
SELECT * FROM test_in_out_params_multi('test_in');
ERROR: PL/Python functions cannot return type record
SELECT * FROM test_inout_params('test_in');
first
---------------
test_in_inout
(1 row)

153
src/pl/plpython/expected/plpython_trigger.out
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@ -0,0 +1,153 @@
-- these triggers are dedicated to HPHC of RI who
-- decided that my kid's name was william not willem, and
-- vigorously resisted all efforts at correction. they have
-- since gone bankrupt...
CREATE FUNCTION users_insert() returns trigger
AS
'if TD["new"]["fname"] == None or TD["new"]["lname"] == None:
return "SKIP"
if TD["new"]["username"] == None:
TD["new"]["username"] = TD["new"]["fname"][:1] + "_" + TD["new"]["lname"]
rv = "MODIFY"
else:
rv = None
if TD["new"]["fname"] == "william":
TD["new"]["fname"] = TD["args"][0]
rv = "MODIFY"
return rv'
LANGUAGE plpythonu;
CREATE FUNCTION users_update() returns trigger
AS
'if TD["event"] == "UPDATE":
if TD["old"]["fname"] != TD["new"]["fname"] and TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE FUNCTION users_delete() RETURNS trigger
AS
'if TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE TRIGGER users_insert_trig BEFORE INSERT ON users FOR EACH ROW
EXECUTE PROCEDURE users_insert ('willem');
CREATE TRIGGER users_update_trig BEFORE UPDATE ON users FOR EACH ROW
EXECUTE PROCEDURE users_update ('willem');
CREATE TRIGGER users_delete_trig BEFORE DELETE ON users FOR EACH ROW
EXECUTE PROCEDURE users_delete ('willem');
-- quick peek at the table
--
SELECT * FROM users;
fname | lname | username | userid
--------+-------+----------+--------
jane | doe | j_doe | 1
john | doe | johnd | 2
willem | doe | w_doe | 3
rick | smith | slash | 4
(4 rows)
-- should fail
--
UPDATE users SET fname = 'william' WHERE fname = 'willem';
-- should modify william to willem and create username
--
INSERT INTO users (fname, lname) VALUES ('william', 'smith');
INSERT INTO users (fname, lname, username) VALUES ('charles', 'darwin', 'beagle');
SELECT * FROM users;
fname | lname | username | userid
---------+--------+----------+--------
jane | doe | j_doe | 1
john | doe | johnd | 2
willem | doe | w_doe | 3
rick | smith | slash | 4
willem | smith | w_smith | 5
charles | darwin | beagle | 6
(6 rows)
-- dump trigger data
CREATE TABLE trigger_test
(i int, v text );
CREATE FUNCTION trigger_data() returns trigger language plpythonu as $$
if TD.has_key('relid'):
TD['relid'] = "bogus:12345"
skeys = TD.keys()
skeys.sort()
for key in skeys:
val = TD[key]
plpy.notice("TD[" + key + "] => " + str(val))
return None
$$;
CREATE TRIGGER show_trigger_data_trig
BEFORE INSERT OR UPDATE OR DELETE ON trigger_test
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
insert into trigger_test values(1,'insert');
NOTICE: ("TD[args] => ['23', 'skidoo']",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[event] => INSERT',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[level] => ROW',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[name] => show_trigger_data_trig',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[new] => {'i': 1, 'v': 'insert'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[old] => None',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[relid] => bogus:12345',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_name] => trigger_test',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_schema] => public',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[when] => BEFORE',)
CONTEXT: PL/Python function "trigger_data"
update trigger_test set v = 'update' where i = 1;
NOTICE: ("TD[args] => ['23', 'skidoo']",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[event] => UPDATE',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[level] => ROW',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[name] => show_trigger_data_trig',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[new] => {'i': 1, 'v': 'update'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[old] => {'i': 1, 'v': 'insert'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[relid] => bogus:12345',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_name] => trigger_test',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_schema] => public',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[when] => BEFORE',)
CONTEXT: PL/Python function "trigger_data"
delete from trigger_test;
NOTICE: ("TD[args] => ['23', 'skidoo']",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[event] => DELETE',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[level] => ROW',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[name] => show_trigger_data_trig',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[new] => None',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ("TD[old] => {'i': 1, 'v': 'update'}",)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[relid] => bogus:12345',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_name] => trigger_test',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[table_schema] => public',)
CONTEXT: PL/Python function "trigger_data"
NOTICE: ('TD[when] => BEFORE',)
CONTEXT: PL/Python function "trigger_data"
DROP TRIGGER show_trigger_data_trig on trigger_test;
DROP FUNCTION trigger_data();

48
src/pl/plpython/expected/plpython_error_3.out → src/pl/plpython/expected/plpython_unicode.out
Unescape View File

@ -1,30 +1,28 @@
-- test error handling, i forgot to restore Warn_restart in
-- the trigger handler once. the errors and subsequent core dump were
-- interesting.
SELECT invalid_type_uncaught('rick');
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_uncaught"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_uncaught"
SELECT invalid_type_caught('rick');
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_caught"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_caught"
SELECT invalid_type_reraised('rick');
WARNING: PL/Python: <class 'plpy.SPIError'>: unrecognized error in PLy_spi_prepare
CONTEXT: PL/Python function "invalid_type_reraised"
ERROR: type "test" does not exist
CONTEXT: PL/Python function "invalid_type_reraised"
SELECT valid_type('rick');
valid_type
------------
(1 row)
--
-- Test Unicode error handling.
-- Unicode handling
--
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
CREATE FUNCTION unicode_return_error() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
TD["new"]["testvalue"] = u"\\x80"
return "MODIFY"
' LANGUAGE plpythonu;
CREATE TRIGGER unicode_test_bi BEFORE INSERT ON unicode_test
FOR EACH ROW EXECUTE PROCEDURE unicode_trigger_error();
CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue", ["text"])
rv = plpy.execute(plan, [u"\\x80"], 1)
return rv[0]["testvalue"]
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_plan_error2() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue1, $2 AS testvalue2", ["text", "text"])
rv = plpy.execute(plan, u"\\x80", 1)
return rv[0]["testvalue1"]
' LANGUAGE plpythonu;
SELECT unicode_return_error();
ERROR: PL/Python: could not create string representation of Python object, while creating return value
DETAIL: <type 'exceptions.UnicodeEncodeError'>: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)

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--
-- Unicode handling
--
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
CREATE FUNCTION unicode_return_error() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
TD["new"]["testvalue"] = u"\\x80"
return "MODIFY"
' LANGUAGE plpythonu;
CREATE TRIGGER unicode_test_bi BEFORE INSERT ON unicode_test
FOR EACH ROW EXECUTE PROCEDURE unicode_trigger_error();
CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue", ["text"])
rv = plpy.execute(plan, [u"\\x80"], 1)
return rv[0]["testvalue"]
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_plan_error2() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue1, $2 AS testvalue2", ["text", "text"])
rv = plpy.execute(plan, u"\\x80", 1)
return rv[0]["testvalue1"]
' LANGUAGE plpythonu;
SELECT unicode_return_error();
ERROR: PL/Python: could not create string representation of Python object, while creating return value
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_return_error"
INSERT INTO unicode_test (testvalue) VALUES ('test');
ERROR: PL/Python: could not compute string representation of Python object, while modifying trigger row
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_trigger_error"
SELECT unicode_plan_error1();
WARNING: PL/Python: plpy.Error: unrecognized error in PLy_spi_execute_plan
CONTEXT: PL/Python function "unicode_plan_error1"
ERROR: PL/Python: could not execute plan
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_plan_error1"
SELECT unicode_plan_error2();
ERROR: PL/Python: could not execute plan
DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_plan_error2"

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--
-- Unicode handling
--
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
CREATE FUNCTION unicode_return_error() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
TD["new"]["testvalue"] = u"\\x80"
return "MODIFY"
' LANGUAGE plpythonu;
CREATE TRIGGER unicode_test_bi BEFORE INSERT ON unicode_test
FOR EACH ROW EXECUTE PROCEDURE unicode_trigger_error();
CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue", ["text"])
rv = plpy.execute(plan, [u"\\x80"], 1)
return rv[0]["testvalue"]
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_plan_error2() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue1, $2 AS testvalue2", ["text", "text"])
rv = plpy.execute(plan, u"\\x80", 1)
return rv[0]["testvalue1"]
' LANGUAGE plpythonu;
SELECT unicode_return_error();
ERROR: PL/Python: could not create string representation of Python object, while creating return value
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_return_error"
INSERT INTO unicode_test (testvalue) VALUES ('test');
ERROR: PL/Python: could not compute string representation of Python object, while modifying trigger row
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_trigger_error"
SELECT unicode_plan_error1();
WARNING: PL/Python: plpy.Error: unrecognized error in PLy_spi_execute_plan
CONTEXT: PL/Python function "unicode_plan_error1"
ERROR: PL/Python: could not execute plan
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_plan_error1"
SELECT unicode_plan_error2();
ERROR: PL/Python: could not execute plan
DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
CONTEXT: PL/Python function "unicode_plan_error2"

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--
-- Tests for functions that return void
--
CREATE FUNCTION test_void_func1() RETURNS void AS $$
x = 10
$$ LANGUAGE plpythonu;
-- illegal: can't return non-None value in void-returning func
CREATE FUNCTION test_void_func2() RETURNS void AS $$
return 10
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_return_none() RETURNS int AS $$
None
$$ LANGUAGE plpythonu;
-- Tests for functions returning void
SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
test_void_func1 | is null
-----------------+---------
| f
(1 row)
SELECT test_void_func2(); -- should fail
ERROR: PL/Python function with return type "void" did not return None
CONTEXT: PL/Python function "test_void_func2"
SELECT test_return_none(), test_return_none() IS NULL AS "is null";
test_return_none | is null
------------------+---------
| t
(1 row)

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-- test error handling, i forgot to restore Warn_restart in
-- the trigger handler once. the errors and subsequent core dump were
-- interesting.
/* Flat out syntax error
*/
CREATE FUNCTION sql_syntax_error() RETURNS text
AS
'plpy.execute("syntax error")'
LANGUAGE plpythonu;
SELECT sql_syntax_error();
/* check the handling of uncaught python exceptions
*/
CREATE FUNCTION exception_index_invalid(text) RETURNS text
AS
'return args[1]'
LANGUAGE plpythonu;
SELECT exception_index_invalid('test');
/* check handling of nested exceptions
*/
CREATE FUNCTION exception_index_invalid_nested() RETURNS text
AS
'rv = plpy.execute("SELECT test5(''foo'')")
return rv[0]'
LANGUAGE plpythonu;
SELECT exception_index_invalid_nested();
/* a typo
*/
CREATE FUNCTION invalid_type_uncaught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
SD["plan"] = plpy.prepare(q, [ "test" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_uncaught('rick');
/* for what it's worth catch the exception generated by
* the typo, and return None
*/
CREATE FUNCTION invalid_type_caught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.notice(str(ex))
return None
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_caught('rick');
/* for what it's worth catch the exception generated by
* the typo, and reraise it as a plain error
*/
CREATE FUNCTION invalid_type_reraised(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.error(str(ex))
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT invalid_type_reraised('rick');
SELECT valid_type('rick');
--
-- Test Unicode error handling.
--
SELECT unicode_return_error();
INSERT INTO unicode_test (testvalue) VALUES ('test');
SELECT unicode_plan_error1();
SELECT unicode_plan_error2();
/* no typo no messing about
*/
CREATE FUNCTION valid_type(a text) RETURNS text
AS
'if not SD.has_key("plan"):
SD["plan"] = plpy.prepare("SELECT fname FROM users WHERE lname = $1", [ "text" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
SELECT valid_type('rick');

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CREATE FUNCTION global_test_one() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_one"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_one"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION global_test_two() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_two"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_two"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION static_test() returns int4
AS
'if SD.has_key("call"):
SD["call"] = SD["call"] + 1
else:
SD["call"] = 1
return SD["call"]
'
LANGUAGE plpythonu;
-- import python modules
CREATE FUNCTION import_fail() returns text
AS
'try:
import foosocket
except Exception, ex:
plpy.notice("import socket failed -- %s" % str(ex))
return "failed as expected"
return "succeeded, that wasn''t supposed to happen"'
LANGUAGE plpythonu;
CREATE FUNCTION import_succeed() returns text
AS
'try:
import array
import bisect
import calendar
import cmath
import errno
import math
import md5
import operator
import random
import re
import sha
import string
import time
except Exception, ex:
plpy.notice("import failed -- %s" % str(ex))
return "failed, that wasn''t supposed to happen"
return "succeeded, as expected"'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_one(p text) RETURNS text
AS
'import sha
digest = sha.new(p)
return digest.hexdigest()'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_two(u users) RETURNS text
AS
'import sha
plain = u["fname"] + u["lname"]
digest = sha.new(plain);
return "sha hash of " + plain + " is " + digest.hexdigest()'
LANGUAGE plpythonu;
CREATE FUNCTION argument_test_one(u users, a1 text, a2 text) RETURNS text
AS
'keys = 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;
-- these triggers are dedicated to HPHC of RI who
-- decided that my kid's name was william not willem, and
-- vigorously resisted all efforts at correction. they have
-- since gone bankrupt...
CREATE FUNCTION users_insert() returns trigger
AS
'if TD["new"]["fname"] == None or TD["new"]["lname"] == None:
return "SKIP"
if TD["new"]["username"] == None:
TD["new"]["username"] = TD["new"]["fname"][:1] + "_" + TD["new"]["lname"]
rv = "MODIFY"
else:
rv = None
if TD["new"]["fname"] == "william":
TD["new"]["fname"] = TD["args"][0]
rv = "MODIFY"
return rv'
LANGUAGE plpythonu;
CREATE FUNCTION users_update() returns trigger
AS
'if TD["event"] == "UPDATE":
if TD["old"]["fname"] != TD["new"]["fname"] and TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE FUNCTION users_delete() RETURNS trigger
AS
'if TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE TRIGGER users_insert_trig BEFORE INSERT ON users FOR EACH ROW
EXECUTE PROCEDURE users_insert ('willem');
CREATE TRIGGER users_update_trig BEFORE UPDATE ON users FOR EACH ROW
EXECUTE PROCEDURE users_update ('willem');
CREATE TRIGGER users_delete_trig BEFORE DELETE ON users FOR EACH ROW
EXECUTE PROCEDURE users_delete ('willem');
-- dump trigger data
CREATE TABLE trigger_test
(i int, v text );
CREATE FUNCTION trigger_data() returns trigger language plpythonu as $$
if TD.has_key('relid'):
TD['relid'] = "bogus:12345"
skeys = TD.keys()
skeys.sort()
for key in skeys:
val = TD[key]
plpy.notice("TD[" + key + "] => " + str(val))
return None
$$;
CREATE TRIGGER show_trigger_data_trig
BEFORE INSERT OR UPDATE OR DELETE ON trigger_test
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
insert into trigger_test values(1,'insert');
update trigger_test set v = 'update' where i = 1;
delete from trigger_test;
DROP TRIGGER show_trigger_data_trig on trigger_test;
DROP FUNCTION trigger_data();
-- nested calls
--
CREATE FUNCTION nested_call_one(a text) RETURNS text
AS
'q = "SELECT nested_call_two(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_two(a text) RETURNS text
AS
'q = "SELECT nested_call_three(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_three(a text) RETURNS text
AS
'return a'
LANGUAGE plpythonu ;
-- some spi stuff
CREATE FUNCTION spi_prepared_plan_test_one(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT count(*) FROM users WHERE lname = $1"
SD["myplan"] = plpy.prepare(q, [ "text" ])
try:
rv = plpy.execute(SD["myplan"], [a])
return "there are " + str(rv[0]["count"]) + " " + str(a) + "s"
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
CREATE FUNCTION spi_prepared_plan_test_nested(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT spi_prepared_plan_test_one(''%s'') as count" % a
SD["myplan"] = plpy.prepare(q)
try:
rv = plpy.execute(SD["myplan"])
if len(rv):
return rv[0]["count"]
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
/* really stupid function just to get the module loaded
*/
CREATE FUNCTION stupid() RETURNS text AS 'return "zarkon"' LANGUAGE plpythonu;
/* a typo
*/
CREATE FUNCTION invalid_type_uncaught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
SD["plan"] = plpy.prepare(q, [ "test" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* for what it's worth catch the exception generated by
* the typo, and return None
*/
CREATE FUNCTION invalid_type_caught(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.notice(str(ex))
return None
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* for what it's worth catch the exception generated by
* the typo, and reraise it as a plain error
*/
CREATE FUNCTION invalid_type_reraised(a text) RETURNS text
AS
'if not SD.has_key("plan"):
q = "SELECT fname FROM users WHERE lname = $1"
try:
SD["plan"] = plpy.prepare(q, [ "test" ])
except plpy.SPIError, ex:
plpy.error(str(ex))
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* no typo no messing about
*/
CREATE FUNCTION valid_type(a text) RETURNS text
AS
'if not SD.has_key("plan"):
SD["plan"] = plpy.prepare("SELECT fname FROM users WHERE lname = $1", [ "text" ])
rv = plpy.execute(SD["plan"], [ a ])
if len(rv):
return rv[0]["fname"]
return None
'
LANGUAGE plpythonu;
/* Flat out syntax error
*/
CREATE FUNCTION sql_syntax_error() RETURNS text
AS
'plpy.execute("syntax error")'
LANGUAGE plpythonu;
/* check the handling of uncaught python exceptions
*/
CREATE FUNCTION exception_index_invalid(text) RETURNS text
AS
'return args[1]'
LANGUAGE plpythonu;
/* check handling of nested exceptions
*/
CREATE FUNCTION exception_index_invalid_nested() RETURNS text
AS
'rv = plpy.execute("SELECT test5(''foo'')")
return rv[0]'
LANGUAGE plpythonu;
CREATE FUNCTION join_sequences(s sequences) RETURNS text
AS
'if not s["multipart"]:
return s["sequence"]
q = "SELECT sequence FROM xsequences WHERE pid = ''%s''" % s["pid"]
rv = plpy.execute(q)
seq = s["sequence"]
for r in rv:
seq = seq + r["sequence"]
return seq
'
LANGUAGE plpythonu;
--
-- Universal Newline Support
--
CREATE OR REPLACE FUNCTION newline_lf() RETURNS integer AS
E'x = 100\ny = 23\nreturn x + y\n'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_cr() RETURNS integer AS
E'x = 100\ry = 23\rreturn x + y\r'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_crlf() RETURNS integer AS
E'x = 100\r\ny = 23\r\nreturn x + y\r\n'
LANGUAGE plpythonu;
--
-- Unicode error handling
--
CREATE FUNCTION unicode_return_error() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
TD["new"]["testvalue"] = u"\\x80"
return "MODIFY"
' LANGUAGE plpythonu;
CREATE TRIGGER unicode_test_bi BEFORE INSERT ON unicode_test
FOR EACH ROW EXECUTE PROCEDURE unicode_trigger_error();
CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue", ["text"])
rv = plpy.execute(plan, [u"\\x80"], 1)
return rv[0]["testvalue"]
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_plan_error2() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue1, $2 AS testvalue2", ["text", "text"])
rv = plpy.execute(plan, u"\\x80", 1)
return rv[0]["testvalue1"]
' LANGUAGE plpythonu;
-- Tests for functions that return void
CREATE FUNCTION test_void_func1() RETURNS void AS $$
x = 10
$$ LANGUAGE plpythonu;
-- illegal: can't return non-None value in void-returning func
CREATE FUNCTION test_void_func2() RETURNS void AS $$
return 10
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_return_none() RETURNS int AS $$
None
$$ LANGUAGE plpythonu;
--
-- Test named and nameless parameters
--
CREATE FUNCTION test_param_names0(integer, integer) RETURNS int AS $$
return args[0] + args[1]
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names1(a0 integer, a1 text) RETURNS boolean AS $$
assert a0 == args[0]
assert a1 == args[1]
return True
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names2(u users) RETURNS text AS $$
assert u == args[0]
return str(u)
$$ LANGUAGE plpythonu;
-- use deliberately wrong parameter names
CREATE FUNCTION test_param_names3(a0 integer) RETURNS boolean AS $$
try:
assert a1 == args[0]
return False
except NameError, e:
assert e.args[0].find("a1") > -1
return True
$$ LANGUAGE plpythonu;
--
-- Test returning SETOF
--
CREATE FUNCTION test_setof_as_list(count integer, content text) RETURNS SETOF text AS $$
return [ content ]*count
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_tuple(count integer, content text) RETURNS SETOF text AS $$
t = ()
for i in xrange(count):
t += ( content, )
return t
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_iterator(count integer, content text) RETURNS SETOF text AS $$
class producer:
def __init__ (self, icount, icontent):
self.icontent = icontent
self.icount = icount
def __iter__ (self):
return self
def next (self):
if self.icount == 0:
raise StopIteration
self.icount -= 1
return self.icontent
return producer(count, content)
$$ LANGUAGE plpythonu;
--
-- Test returning tuples
--
CREATE FUNCTION test_table_record_as(typ text, first text, second integer, retnull boolean) RETURNS table_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_type_record_as(typ text, first text, second integer, retnull boolean) RETURNS type_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_in_out_params(first in text, second out text) AS $$
return first + '_in_to_out';
$$ LANGUAGE plpythonu;
-- this doesn't work yet :-(
CREATE FUNCTION test_in_out_params_multi(first in text,
second out text, third out text) AS $$
return first + '_record_in_to_out';
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_inout_params(first inout text) AS $$
return first + '_inout';
$$ LANGUAGE plpythonu;

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--
-- check static and global data (SD and GD)
--
CREATE FUNCTION global_test_one() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_one"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_one"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION global_test_two() returns text
AS
'if not SD.has_key("global_test"):
SD["global_test"] = "set by global_test_two"
if not GD.has_key("global_test"):
GD["global_test"] = "set by global_test_two"
return "SD: " + SD["global_test"] + ", GD: " + GD["global_test"]'
LANGUAGE plpythonu;
CREATE FUNCTION static_test() returns int4
AS
'if SD.has_key("call"):
SD["call"] = SD["call"] + 1
else:
SD["call"] = 1
return SD["call"]
'
LANGUAGE plpythonu;
SELECT static_test();
SELECT static_test();
SELECT global_test_one();
SELECT global_test_two();

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-- import python modules
CREATE FUNCTION import_fail() returns text
AS
'try:
import foosocket
except Exception, ex:
plpy.notice("import socket failed -- %s" % str(ex))
return "failed as expected"
return "succeeded, that wasn''t supposed to happen"'
LANGUAGE plpythonu;
CREATE FUNCTION import_succeed() returns text
AS
'try:
import array
import bisect
import calendar
import cmath
import errno
import math
import md5
import operator
import random
import re
import sha
import string
import time
except Exception, ex:
plpy.notice("import failed -- %s" % str(ex))
return "failed, that wasn''t supposed to happen"
return "succeeded, as expected"'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_one(p text) RETURNS text
AS
'import sha
digest = sha.new(p)
return digest.hexdigest()'
LANGUAGE plpythonu;
CREATE FUNCTION import_test_two(u users) RETURNS text
AS
'import sha
plain = u["fname"] + u["lname"]
digest = sha.new(plain);
return "sha hash of " + plain + " is " + digest.hexdigest()'
LANGUAGE plpythonu;
-- import python modules
--
SELECT import_fail();
SELECT import_succeed();
-- test import and simple argument handling
--
SELECT import_test_one('sha hash of this string');
-- test import and tuple argument handling
--
select import_test_two(users) from users where fname = 'willem';

20
src/pl/plpython/sql/plpython_newline.sql
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@ -0,0 +1,20 @@
--
-- Universal Newline Support
--
CREATE OR REPLACE FUNCTION newline_lf() RETURNS integer AS
E'x = 100\ny = 23\nreturn x + y\n'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_cr() RETURNS integer AS
E'x = 100\ry = 23\rreturn x + y\r'
LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION newline_crlf() RETURNS integer AS
E'x = 100\r\ny = 23\r\nreturn x + y\r\n'
LANGUAGE plpythonu;
SELECT newline_lf();
SELECT newline_cr();
SELECT newline_crlf();

34
src/pl/plpython/sql/plpython_params.sql
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--
-- Test named and nameless parameters
--
CREATE FUNCTION test_param_names0(integer, integer) RETURNS int AS $$
return args[0] + args[1]
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names1(a0 integer, a1 text) RETURNS boolean AS $$
assert a0 == args[0]
assert a1 == args[1]
return True
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_param_names2(u users) RETURNS text AS $$
assert u == args[0]
return str(u)
$$ LANGUAGE plpythonu;
-- use deliberately wrong parameter names
CREATE FUNCTION test_param_names3(a0 integer) RETURNS boolean AS $$
try:
assert a1 == args[0]
return False
except NameError, e:
assert e.args[0].find("a1") > -1
return True
$$ LANGUAGE plpythonu;
SELECT test_param_names0(2,7);
SELECT test_param_names1(1,'text');
SELECT test_param_names2(users) from users;
SELECT test_param_names3(1);

104
src/pl/plpython/sql/plpython_record.sql
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@ -0,0 +1,104 @@
--
-- Test returning tuples
--
CREATE FUNCTION test_table_record_as(typ text, first text, second integer, retnull boolean) RETURNS table_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_type_record_as(typ text, first text, second integer, retnull boolean) RETURNS type_record AS $$
if retnull:
return None
if typ == 'dict':
return { 'first': first, 'second': second, 'additionalfield': 'must not cause trouble' }
elif typ == 'tuple':
return ( first, second )
elif typ == 'list':
return [ first, second ]
elif typ == 'obj':
class type_record: pass
type_record.first = first
type_record.second = second
return type_record
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_in_out_params(first in text, second out text) AS $$
return first + '_in_to_out';
$$ LANGUAGE plpythonu;
-- this doesn't work yet :-(
CREATE FUNCTION test_in_out_params_multi(first in text,
second out text, third out text) AS $$
return first + '_record_in_to_out';
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_inout_params(first inout text) AS $$
return first + '_inout';
$$ LANGUAGE plpythonu;
-- Test tuple returning functions
SELECT * FROM test_table_record_as('dict', null, null, false);
SELECT * FROM test_table_record_as('dict', 'one', null, false);
SELECT * FROM test_table_record_as('dict', null, 2, false);
SELECT * FROM test_table_record_as('dict', 'three', 3, false);
SELECT * FROM test_table_record_as('dict', null, null, true);
SELECT * FROM test_table_record_as('tuple', null, null, false);
SELECT * FROM test_table_record_as('tuple', 'one', null, false);
SELECT * FROM test_table_record_as('tuple', null, 2, false);
SELECT * FROM test_table_record_as('tuple', 'three', 3, false);
SELECT * FROM test_table_record_as('tuple', null, null, true);
SELECT * FROM test_table_record_as('list', null, null, false);
SELECT * FROM test_table_record_as('list', 'one', null, false);
SELECT * FROM test_table_record_as('list', null, 2, false);
SELECT * FROM test_table_record_as('list', 'three', 3, false);
SELECT * FROM test_table_record_as('list', null, null, true);
SELECT * FROM test_table_record_as('obj', null, null, false);
SELECT * FROM test_table_record_as('obj', 'one', null, false);
SELECT * FROM test_table_record_as('obj', null, 2, false);
SELECT * FROM test_table_record_as('obj', 'three', 3, false);
SELECT * FROM test_table_record_as('obj', null, null, true);
SELECT * FROM test_type_record_as('dict', null, null, false);
SELECT * FROM test_type_record_as('dict', 'one', null, false);
SELECT * FROM test_type_record_as('dict', null, 2, false);
SELECT * FROM test_type_record_as('dict', 'three', 3, false);
SELECT * FROM test_type_record_as('dict', null, null, true);
SELECT * FROM test_type_record_as('tuple', null, null, false);
SELECT * FROM test_type_record_as('tuple', 'one', null, false);
SELECT * FROM test_type_record_as('tuple', null, 2, false);
SELECT * FROM test_type_record_as('tuple', 'three', 3, false);
SELECT * FROM test_type_record_as('tuple', null, null, true);
SELECT * FROM test_type_record_as('list', null, null, false);
SELECT * FROM test_type_record_as('list', 'one', null, false);
SELECT * FROM test_type_record_as('list', null, 2, false);
SELECT * FROM test_type_record_as('list', 'three', 3, false);
SELECT * FROM test_type_record_as('list', null, null, true);
SELECT * FROM test_type_record_as('obj', null, null, false);
SELECT * FROM test_type_record_as('obj', 'one', null, false);
SELECT * FROM test_type_record_as('obj', null, 2, false);
SELECT * FROM test_type_record_as('obj', 'three', 3, false);
SELECT * FROM test_type_record_as('obj', null, null, true);
SELECT * FROM test_in_out_params('test_in');
-- this doesn't work yet :-(
SELECT * FROM test_in_out_params_multi('test_in');
SELECT * FROM test_inout_params('test_in');

4
src/pl/plpython/sql/plpython_schema.sql
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@ -39,10 +39,6 @@ CREATE TABLE xsequences (
) ;
CREATE INDEX xsequences_pid_idx ON xsequences(pid) ;
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
CREATE TABLE table_record (
first text,
second int4

46
src/pl/plpython/sql/plpython_setof.sql
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--
-- Test returning SETOF
--
CREATE FUNCTION test_setof_as_list(count integer, content text) RETURNS SETOF text AS $$
return [ content ]*count
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_tuple(count integer, content text) RETURNS SETOF text AS $$
t = ()
for i in xrange(count):
t += ( content, )
return t
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_setof_as_iterator(count integer, content text) RETURNS SETOF text AS $$
class producer:
def __init__ (self, icount, icontent):
self.icontent = icontent
self.icount = icount
def __iter__ (self):
return self
def next (self):
if self.icount == 0:
raise StopIteration
self.icount -= 1
return self.icontent
return producer(count, content)
$$ LANGUAGE plpythonu;
-- Test set returning functions
SELECT test_setof_as_list(0, 'list');
SELECT test_setof_as_list(1, 'list');
SELECT test_setof_as_list(2, 'list');
SELECT test_setof_as_list(2, null);
SELECT test_setof_as_tuple(0, 'tuple');
SELECT test_setof_as_tuple(1, 'tuple');
SELECT test_setof_as_tuple(2, 'tuple');
SELECT test_setof_as_tuple(2, null);
SELECT test_setof_as_iterator(0, 'list');
SELECT test_setof_as_iterator(1, 'list');
SELECT test_setof_as_iterator(2, 'list');
SELECT test_setof_as_iterator(2, null);

90
src/pl/plpython/sql/plpython_spi.sql
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-- nested calls
--
CREATE FUNCTION nested_call_one(a text) RETURNS text
AS
'q = "SELECT nested_call_two(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_two(a text) RETURNS text
AS
'q = "SELECT nested_call_three(''%s'')" % a
r = plpy.execute(q)
return r[0]'
LANGUAGE plpythonu ;
CREATE FUNCTION nested_call_three(a text) RETURNS text
AS
'return a'
LANGUAGE plpythonu ;
-- some spi stuff
CREATE FUNCTION spi_prepared_plan_test_one(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT count(*) FROM users WHERE lname = $1"
SD["myplan"] = plpy.prepare(q, [ "text" ])
try:
rv = plpy.execute(SD["myplan"], [a])
return "there are " + str(rv[0]["count"]) + " " + str(a) + "s"
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
CREATE FUNCTION spi_prepared_plan_test_nested(a text) RETURNS text
AS
'if not SD.has_key("myplan"):
q = "SELECT spi_prepared_plan_test_one(''%s'') as count" % a
SD["myplan"] = plpy.prepare(q)
try:
rv = plpy.execute(SD["myplan"])
if len(rv):
return rv[0]["count"]
except Exception, ex:
plpy.error(str(ex))
return None
'
LANGUAGE plpythonu;
CREATE FUNCTION join_sequences(s sequences) RETURNS text
AS
'if not s["multipart"]:
return s["sequence"]
q = "SELECT sequence FROM xsequences WHERE pid = ''%s''" % s["pid"]
rv = plpy.execute(q)
seq = s["sequence"]
for r in rv:
seq = seq + r["sequence"]
return seq
'
LANGUAGE plpythonu;
-- spi and nested calls
--
select nested_call_one('pass this along');
select spi_prepared_plan_test_one('doe');
select spi_prepared_plan_test_one('smith');
select spi_prepared_plan_test_nested('smith');
SELECT join_sequences(sequences) FROM sequences;
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^A';
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^B';

158
src/pl/plpython/sql/plpython_test.sql
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@ -1,151 +1,21 @@
-- first some tests of basic functionality
--
-- better succeed
--
select stupid();
-- check static and global data
--
SELECT static_test();
SELECT static_test();
SELECT global_test_one();
SELECT global_test_two();
-- import python modules
--
SELECT import_fail();
SELECT import_succeed();
-- really stupid function just to get the module loaded
CREATE FUNCTION stupid() RETURNS text AS 'return "zarkon"' LANGUAGE plpythonu;
-- test import and simple argument handling
--
SELECT import_test_one('sha hash of this string');
select stupid();
-- test import and tuple argument handling
--
select import_test_two(users) from users where fname = 'willem';
-- test multiple arguments
--
select argument_test_one(users, fname, lname) from users where lname = 'doe' order by 1;
-- spi and nested calls
--
select nested_call_one('pass this along');
select spi_prepared_plan_test_one('doe');
select spi_prepared_plan_test_one('smith');
select spi_prepared_plan_test_nested('smith');
-- quick peek at the table
--
SELECT * FROM users;
-- should fail
--
UPDATE users SET fname = 'william' WHERE fname = 'willem';
-- should modify william to willem and create username
--
INSERT INTO users (fname, lname) VALUES ('william', 'smith');
INSERT INTO users (fname, lname, username) VALUES ('charles', 'darwin', 'beagle');
SELECT * FROM users;
SELECT join_sequences(sequences) FROM sequences;
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^A';
SELECT join_sequences(sequences) FROM sequences
WHERE join_sequences(sequences) ~* '^B';
-- error in trigger
--
--
-- Check Universal Newline Support
--
SELECT newline_lf();
SELECT newline_cr();
SELECT newline_crlf();
CREATE FUNCTION argument_test_one(u users, a1 text, a2 text) RETURNS text
AS
'keys = 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;
-- Tests for functions returning void
SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
SELECT test_void_func2(); -- should fail
SELECT test_return_none(), test_return_none() IS NULL AS "is null";
-- Test for functions with named and nameless parameters
SELECT test_param_names0(2,7);
SELECT test_param_names1(1,'text');
SELECT test_param_names2(users) from users;
SELECT test_param_names3(1);
-- Test set returning functions
SELECT test_setof_as_list(0, 'list');
SELECT test_setof_as_list(1, 'list');
SELECT test_setof_as_list(2, 'list');
SELECT test_setof_as_list(2, null);
SELECT test_setof_as_tuple(0, 'tuple');
SELECT test_setof_as_tuple(1, 'tuple');
SELECT test_setof_as_tuple(2, 'tuple');
SELECT test_setof_as_tuple(2, null);
SELECT test_setof_as_iterator(0, 'list');
SELECT test_setof_as_iterator(1, 'list');
SELECT test_setof_as_iterator(2, 'list');
SELECT test_setof_as_iterator(2, null);
-- Test tuple returning functions
SELECT * FROM test_table_record_as('dict', null, null, false);
SELECT * FROM test_table_record_as('dict', 'one', null, false);
SELECT * FROM test_table_record_as('dict', null, 2, false);
SELECT * FROM test_table_record_as('dict', 'three', 3, false);
SELECT * FROM test_table_record_as('dict', null, null, true);
SELECT * FROM test_table_record_as('tuple', null, null, false);
SELECT * FROM test_table_record_as('tuple', 'one', null, false);
SELECT * FROM test_table_record_as('tuple', null, 2, false);
SELECT * FROM test_table_record_as('tuple', 'three', 3, false);
SELECT * FROM test_table_record_as('tuple', null, null, true);
SELECT * FROM test_table_record_as('list', null, null, false);
SELECT * FROM test_table_record_as('list', 'one', null, false);
SELECT * FROM test_table_record_as('list', null, 2, false);
SELECT * FROM test_table_record_as('list', 'three', 3, false);
SELECT * FROM test_table_record_as('list', null, null, true);
SELECT * FROM test_table_record_as('obj', null, null, false);
SELECT * FROM test_table_record_as('obj', 'one', null, false);
SELECT * FROM test_table_record_as('obj', null, 2, false);
SELECT * FROM test_table_record_as('obj', 'three', 3, false);
SELECT * FROM test_table_record_as('obj', null, null, true);
SELECT * FROM test_type_record_as('dict', null, null, false);
SELECT * FROM test_type_record_as('dict', 'one', null, false);
SELECT * FROM test_type_record_as('dict', null, 2, false);
SELECT * FROM test_type_record_as('dict', 'three', 3, false);
SELECT * FROM test_type_record_as('dict', null, null, true);
SELECT * FROM test_type_record_as('tuple', null, null, false);
SELECT * FROM test_type_record_as('tuple', 'one', null, false);
SELECT * FROM test_type_record_as('tuple', null, 2, false);
SELECT * FROM test_type_record_as('tuple', 'three', 3, false);
SELECT * FROM test_type_record_as('tuple', null, null, true);
SELECT * FROM test_type_record_as('list', null, null, false);
SELECT * FROM test_type_record_as('list', 'one', null, false);
SELECT * FROM test_type_record_as('list', null, 2, false);
SELECT * FROM test_type_record_as('list', 'three', 3, false);
SELECT * FROM test_type_record_as('list', null, null, true);
SELECT * FROM test_type_record_as('obj', null, null, false);
SELECT * FROM test_type_record_as('obj', 'one', null, false);
SELECT * FROM test_type_record_as('obj', null, 2, false);
SELECT * FROM test_type_record_as('obj', 'three', 3, false);
SELECT * FROM test_type_record_as('obj', null, null, true);
SELECT * FROM test_in_out_params('test_in');
-- this doesn't work yet :-(
SELECT * FROM test_in_out_params_multi('test_in');
SELECT * FROM test_inout_params('test_in');
select argument_test_one(users, fname, lname) from users where lname = 'doe' order by 1;

95
src/pl/plpython/sql/plpython_trigger.sql
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-- these triggers are dedicated to HPHC of RI who
-- decided that my kid's name was william not willem, and
-- vigorously resisted all efforts at correction. they have
-- since gone bankrupt...
CREATE FUNCTION users_insert() returns trigger
AS
'if TD["new"]["fname"] == None or TD["new"]["lname"] == None:
return "SKIP"
if TD["new"]["username"] == None:
TD["new"]["username"] = TD["new"]["fname"][:1] + "_" + TD["new"]["lname"]
rv = "MODIFY"
else:
rv = None
if TD["new"]["fname"] == "william":
TD["new"]["fname"] = TD["args"][0]
rv = "MODIFY"
return rv'
LANGUAGE plpythonu;
CREATE FUNCTION users_update() returns trigger
AS
'if TD["event"] == "UPDATE":
if TD["old"]["fname"] != TD["new"]["fname"] and TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE FUNCTION users_delete() RETURNS trigger
AS
'if TD["old"]["fname"] == TD["args"][0]:
return "SKIP"
return None'
LANGUAGE plpythonu;
CREATE TRIGGER users_insert_trig BEFORE INSERT ON users FOR EACH ROW
EXECUTE PROCEDURE users_insert ('willem');
CREATE TRIGGER users_update_trig BEFORE UPDATE ON users FOR EACH ROW
EXECUTE PROCEDURE users_update ('willem');
CREATE TRIGGER users_delete_trig BEFORE DELETE ON users FOR EACH ROW
EXECUTE PROCEDURE users_delete ('willem');
-- quick peek at the table
--
SELECT * FROM users;
-- should fail
--
UPDATE users SET fname = 'william' WHERE fname = 'willem';
-- should modify william to willem and create username
--
INSERT INTO users (fname, lname) VALUES ('william', 'smith');
INSERT INTO users (fname, lname, username) VALUES ('charles', 'darwin', 'beagle');
SELECT * FROM users;
-- dump trigger data
CREATE TABLE trigger_test
(i int, v text );
CREATE FUNCTION trigger_data() returns trigger language plpythonu as $$
if TD.has_key('relid'):
TD['relid'] = "bogus:12345"
skeys = TD.keys()
skeys.sort()
for key in skeys:
val = TD[key]
plpy.notice("TD[" + key + "] => " + str(val))
return None
$$;
CREATE TRIGGER show_trigger_data_trig
BEFORE INSERT OR UPDATE OR DELETE ON trigger_test
FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
insert into trigger_test values(1,'insert');
update trigger_test set v = 'update' where i = 1;
delete from trigger_test;
DROP TRIGGER show_trigger_data_trig on trigger_test;
DROP FUNCTION trigger_data();

37
src/pl/plpython/sql/plpython_unicode.sql
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@ -0,0 +1,37 @@
--
-- Unicode handling
--
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
CREATE FUNCTION unicode_return_error() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
TD["new"]["testvalue"] = u"\\x80"
return "MODIFY"
' LANGUAGE plpythonu;
CREATE TRIGGER unicode_test_bi BEFORE INSERT ON unicode_test
FOR EACH ROW EXECUTE PROCEDURE unicode_trigger_error();
CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue", ["text"])
rv = plpy.execute(plan, [u"\\x80"], 1)
return rv[0]["testvalue"]
' LANGUAGE plpythonu;
CREATE FUNCTION unicode_plan_error2() RETURNS text AS E'
plan = plpy.prepare("SELECT $1 AS testvalue1, $2 AS testvalue2", ["text", "text"])
rv = plpy.execute(plan, u"\\x80", 1)
return rv[0]["testvalue1"]
' LANGUAGE plpythonu;
SELECT unicode_return_error();
INSERT INTO unicode_test (testvalue) VALUES ('test');
SELECT unicode_plan_error1();
SELECT unicode_plan_error2();

22
src/pl/plpython/sql/plpython_void.sql
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--
-- Tests for functions that return void
--
CREATE FUNCTION test_void_func1() RETURNS void AS $$
x = 10
$$ LANGUAGE plpythonu;
-- illegal: can't return non-None value in void-returning func
CREATE FUNCTION test_void_func2() RETURNS void AS $$
return 10
$$ LANGUAGE plpythonu;
CREATE FUNCTION test_return_none() RETURNS int AS $$
None
$$ LANGUAGE plpythonu;
-- Tests for functions returning void
SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
SELECT test_void_func2(); -- should fail
SELECT test_return_none(), test_return_none() IS NULL AS "is null";
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