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
DETAIL: Expected None, "OK", "SKIP", or "MODIFY".
CONTEXT: PL/Python function "stupid3"
DROP TRIGGER stupid_trigger3 ON trigger_test;
+-- Unicode variant
+CREATE FUNCTION stupid3u() RETURNS trigger
+AS $$
+ return u"foo"
+$$ LANGUAGE plpythonu;
+CREATE TRIGGER stupid_trigger3
+BEFORE UPDATE ON trigger_test
+FOR EACH ROW EXECUTE PROCEDURE stupid3u();
+UPDATE trigger_test SET v = 'null' WHERE i = 0;
+ERROR: unexpected return value from trigger procedure
+DETAIL: Expected None, "OK", "SKIP", or "MODIFY".
+CONTEXT: PL/Python function "stupid3u"
+DROP TRIGGER stupid_trigger3 ON trigger_test;
-- deleting the TD dictionary
CREATE FUNCTION stupid4() RETURNS trigger
AS $$
CONTEXT: while modifying trigger row
PL/Python function "stupid7"
DROP TRIGGER stupid_trigger7 ON trigger_test;
+-- Unicode variant
+CREATE FUNCTION stupid7u() RETURNS trigger
+AS $$
+ TD["new"] = {u'a': 'foo', u'b': 'bar'}
+ return "MODIFY"
+$$ LANGUAGE plpythonu;
+CREATE TRIGGER stupid_trigger7
+BEFORE UPDATE ON trigger_test
+FOR EACH ROW EXECUTE PROCEDURE stupid7u();
+UPDATE trigger_test SET v = 'null' WHERE i = 0;
+ERROR: key "a" found in TD["new"] does not exist as a column in the triggering row
+CONTEXT: while modifying trigger row
+PL/Python function "stupid7u"
+DROP TRIGGER stupid_trigger7 ON trigger_test;
-- calling a trigger function directly
SELECT stupid7();
ERROR: trigger functions can only be called as triggers
CREATE TABLE unicode_test (
testvalue text NOT NULL
);
-CREATE FUNCTION unicode_return_error() RETURNS text AS E'
+CREATE FUNCTION unicode_return() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
-CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
+CREATE FUNCTION unicode_trigger() 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'
+ FOR EACH ROW EXECUTE PROCEDURE unicode_trigger();
+CREATE FUNCTION unicode_plan1() 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"]
+CREATE FUNCTION unicode_plan2() RETURNS text AS E'
+plan = plpy.prepare("SELECT $1 || $2 AS testvalue", ["text", u"text"])
+rv = plpy.execute(plan, ["foo", "bar"], 1)
+return rv[0]["testvalue"]
' LANGUAGE plpythonu;
-SELECT unicode_return_error();
-ERROR: PL/Python: could not create string representation of Python object
-DETAIL: <type 'exceptions.UnicodeEncodeError'>: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
-CONTEXT: while creating return value
-PL/Python function "unicode_return_error"
+SELECT unicode_return();
+ unicode_return
+----------------
+ \u0080
+(1 row)
+
INSERT INTO unicode_test (testvalue) VALUES ('test');
-ERROR: PL/Python: could not create string representation of Python object
-DETAIL: <type 'exceptions.UnicodeEncodeError'>: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
-CONTEXT: while modifying trigger row
-PL/Python function "unicode_trigger_error"
-SELECT unicode_plan_error1();
-WARNING: PL/Python: <class 'plpy.Error'>: unrecognized error in PLy_spi_execute_plan
-CONTEXT: PL/Python function "unicode_plan_error1"
-ERROR: PL/Python: could not execute plan
-DETAIL: <type '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: <type '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"
+SELECT * FROM unicode_test;
+ testvalue
+-----------
+ \u0080
+(1 row)
+
+SELECT unicode_plan1();
+ unicode_plan1
+---------------
+ \u0080
+(1 row)
+
+SELECT unicode_plan2();
+ unicode_plan2
+---------------
+ foobar
+(1 row)
+
+++ /dev/null
---
--- 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
-DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
-CONTEXT: while creating return value
-PL/Python function "unicode_return_error"
-INSERT INTO unicode_test (testvalue) VALUES ('test');
-ERROR: PL/Python: could not create string representation of Python object
-DETAIL: exceptions.UnicodeError: ASCII encoding error: ordinal not in range(128)
-CONTEXT: while modifying trigger row
-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"
+++ /dev/null
---
--- 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
-DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
-CONTEXT: while creating return value
-PL/Python function "unicode_return_error"
-INSERT INTO unicode_test (testvalue) VALUES ('test');
-ERROR: PL/Python: could not create string representation of Python object
-DETAIL: exceptions.UnicodeEncodeError: 'ascii' codec can't encode character u'\x80' in position 0: ordinal not in range(128)
-CONTEXT: while modifying trigger row
-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"
/**********************************************************************
* plpython.c - python as a procedural language for PostgreSQL
*
- * $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.128 2009/09/09 19:00:09 petere Exp $
+ * $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.129 2009/09/12 22:13:12 petere Exp $
*
*********************************************************************
*/
#include "executor/spi.h"
#include "funcapi.h"
#include "fmgr.h"
+#include "mb/pg_wchar.h"
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "parser/parse_type.h"
static char *PLy_strdup(const char *);
static void PLy_free(void *);
+static PyObject*PLyUnicode_Str(PyObject *unicode);
+static char *PLyUnicode_AsString(PyObject *unicode);
+
/* sub handlers for functions and triggers */
static Datum PLy_function_handler(FunctionCallInfo fcinfo, PLyProcedure *);
static HeapTuple PLy_trigger_handler(FunctionCallInfo fcinfo, PLyProcedure *);
{
char *srv;
- if (!PyString_Check(plrv))
+ if (PyString_Check(plrv))
+ srv = PyString_AsString(plrv);
+ else if (PyUnicode_Check(plrv))
+ srv = PLyUnicode_AsString(plrv);
+ else
+ {
ereport(ERROR,
(errcode(ERRCODE_DATA_EXCEPTION),
errmsg("unexpected return value from trigger procedure"),
errdetail("Expected None or a string.")));
+ srv = NULL; /* keep compiler quiet */
+ }
- srv = PyString_AsString(plrv);
if (pg_strcasecmp(srv, "SKIP") == 0)
rv = NULL;
else if (pg_strcasecmp(srv, "MODIFY") == 0)
for (i = 0; i < natts; i++)
{
+ char *plattstr;
+
platt = PyList_GetItem(plkeys, i);
- if (!PyString_Check(platt))
+ if (PyString_Check(platt))
+ plattstr = PyString_AsString(platt);
+ else if (PyUnicode_Check(platt))
+ plattstr = PLyUnicode_AsString(platt);
+ else
+ {
ereport(ERROR,
(errmsg("TD[\"new\"] dictionary key at ordinal position %d is not a string", i)));
- attn = SPI_fnumber(tupdesc, PyString_AsString(platt));
+ plattstr = NULL; /* keep compiler quiet */
+ }
+ attn = SPI_fnumber(tupdesc, plattstr);
if (attn == SPI_ERROR_NOATTRIBUTE)
ereport(ERROR,
(errmsg("key \"%s\" found in TD[\"new\"] does not exist as a column in the triggering row",
- PyString_AsString(platt))));
+ plattstr)));
atti = attn - 1;
plval = PyDict_GetItem(plntup, platt);
Assert(plrv != Py_None);
- plrv_so = PyObject_Str(plrv);
+ if (PyUnicode_Check(plrv))
+ plrv_so = PLyUnicode_Str(plrv);
+ else
+ plrv_so = PyObject_Str(plrv);
if (!plrv_so)
PLy_elog(ERROR, "could not create string representation of Python object");
Form_pg_type typeStruct;
optr = PySequence_GetItem(list, i);
- if (!PyString_Check(optr))
+ if (PyString_Check(optr))
+ sptr = PyString_AsString(optr);
+ else if (PyUnicode_Check(optr))
+ sptr = PLyUnicode_AsString(optr);
+ else
+ {
ereport(ERROR,
(errmsg("plpy.prepare: type name at ordinal position %d is not a string", i)));
- sptr = PyString_AsString(optr);
+ sptr = NULL; /* keep compiler quiet */
+ }
/********************************************************
* Resolve argument type names and then look them up by
if (list != NULL)
{
- if (!PySequence_Check(list) || PyString_Check(list))
+ if (!PySequence_Check(list) || PyString_Check(list) || PyUnicode_Check(list))
{
PLy_exception_set(PLy_exc_spi_error, "plpy.execute takes a sequence as its second argument");
return NULL;
elem = PySequence_GetItem(list, j);
if (elem != Py_None)
{
- so = PyObject_Str(elem);
+ if (PyUnicode_Check(elem))
+ so = PLyUnicode_Str(elem);
+ else
+ so = PyObject_Str(elem);
if (!so)
PLy_elog(ERROR, "could not execute plan");
Py_DECREF(elem);
{
free(ptr);
}
+
+/*
+ * Convert a Python unicode object to a Python string object in
+ * PostgreSQL server encoding. Reference ownership is passed to the
+ * caller.
+ */
+static PyObject*
+PLyUnicode_Str(PyObject *unicode)
+{
+ /*
+ * This assumes that the PostgreSQL encoding names are acceptable
+ * to Python, but that appears to be the case.
+ */
+ return PyUnicode_AsEncodedString(unicode, GetDatabaseEncodingName(), "strict");
+}
+
+/*
+ * Convert a Python unicode object to a C string in PostgreSQL server
+ * encoding. No Python object reference is passed out of this
+ * function.
+ */
+static char *
+PLyUnicode_AsString(PyObject *unicode)
+{
+ PyObject *o = PLyUnicode_Str(unicode);
+ char *rv = PyString_AsString(o);
+ Py_XDECREF(o);
+ return rv;
+}
DROP TRIGGER stupid_trigger3 ON trigger_test;
+-- Unicode variant
+
+CREATE FUNCTION stupid3u() RETURNS trigger
+AS $$
+ return u"foo"
+$$ LANGUAGE plpythonu;
+
+CREATE TRIGGER stupid_trigger3
+BEFORE UPDATE ON trigger_test
+FOR EACH ROW EXECUTE PROCEDURE stupid3u();
+
+UPDATE trigger_test SET v = 'null' WHERE i = 0;
+
+DROP TRIGGER stupid_trigger3 ON trigger_test;
+
+
-- deleting the TD dictionary
CREATE FUNCTION stupid4() RETURNS trigger
DROP TRIGGER stupid_trigger7 ON trigger_test;
+-- Unicode variant
+
+CREATE FUNCTION stupid7u() RETURNS trigger
+AS $$
+ TD["new"] = {u'a': 'foo', u'b': 'bar'}
+ return "MODIFY"
+$$ LANGUAGE plpythonu;
+
+CREATE TRIGGER stupid_trigger7
+BEFORE UPDATE ON trigger_test
+FOR EACH ROW EXECUTE PROCEDURE stupid7u();
+
+UPDATE trigger_test SET v = 'null' WHERE i = 0;
+
+DROP TRIGGER stupid_trigger7 ON trigger_test;
+
+
-- calling a trigger function directly
SELECT stupid7();
testvalue text NOT NULL
);
-CREATE FUNCTION unicode_return_error() RETURNS text AS E'
+CREATE FUNCTION unicode_return() RETURNS text AS E'
return u"\\x80"
' LANGUAGE plpythonu;
-CREATE FUNCTION unicode_trigger_error() RETURNS trigger AS E'
+CREATE FUNCTION unicode_trigger() 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();
+ FOR EACH ROW EXECUTE PROCEDURE unicode_trigger();
-CREATE FUNCTION unicode_plan_error1() RETURNS text AS E'
+CREATE FUNCTION unicode_plan1() 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"]
+CREATE FUNCTION unicode_plan2() RETURNS text AS E'
+plan = plpy.prepare("SELECT $1 || $2 AS testvalue", ["text", u"text"])
+rv = plpy.execute(plan, ["foo", "bar"], 1)
+return rv[0]["testvalue"]
' LANGUAGE plpythonu;
-SELECT unicode_return_error();
+SELECT unicode_return();
INSERT INTO unicode_test (testvalue) VALUES ('test');
-SELECT unicode_plan_error1();
-SELECT unicode_plan_error2();
+SELECT * FROM unicode_test;
+SELECT unicode_plan1();
+SELECT unicode_plan2();
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