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-rw-r--r--src/pl/plpython/expected/plpython_types.out9
-rw-r--r--src/pl/plpython/expected/plpython_types_3.out9
-rw-r--r--src/pl/plpython/plpy_typeio.c23
-rw-r--r--src/pl/plpython/sql/plpython_types.sql7
4 files changed, 32 insertions, 16 deletions
diff --git a/src/pl/plpython/expected/plpython_types.out b/src/pl/plpython/expected/plpython_types.out
index 0a2659fe292..052b53cd4c9 100644
--- a/src/pl/plpython/expected/plpython_types.out
+++ b/src/pl/plpython/expected/plpython_types.out
@@ -687,6 +687,15 @@ SELECT * FROM test_type_conversion_array_mixed2();
ERROR: invalid input syntax for type integer: "abc"
CONTEXT: while creating return value
PL/Python function "test_type_conversion_array_mixed2"
+CREATE FUNCTION test_type_conversion_array_mixed3() RETURNS text[] AS $$
+return [[], 'a']
+$$ LANGUAGE plpythonu;
+SELECT * FROM test_type_conversion_array_mixed3();
+ test_type_conversion_array_mixed3
+-----------------------------------
+ {[],a}
+(1 row)
+
CREATE FUNCTION test_type_conversion_mdarray_malformed() RETURNS int[] AS $$
return [[1,2,3],[4,5]]
$$ LANGUAGE plpythonu;
diff --git a/src/pl/plpython/expected/plpython_types_3.out b/src/pl/plpython/expected/plpython_types_3.out
index a6ec10d5e18..4f72a626e18 100644
--- a/src/pl/plpython/expected/plpython_types_3.out
+++ b/src/pl/plpython/expected/plpython_types_3.out
@@ -687,6 +687,15 @@ SELECT * FROM test_type_conversion_array_mixed2();
ERROR: invalid input syntax for type integer: "abc"
CONTEXT: while creating return value
PL/Python function "test_type_conversion_array_mixed2"
+CREATE FUNCTION test_type_conversion_array_mixed3() RETURNS text[] AS $$
+return [[], 'a']
+$$ LANGUAGE plpython3u;
+SELECT * FROM test_type_conversion_array_mixed3();
+ test_type_conversion_array_mixed3
+-----------------------------------
+ {[],a}
+(1 row)
+
CREATE FUNCTION test_type_conversion_mdarray_malformed() RETURNS int[] AS $$
return [[1,2,3],[4,5]]
$$ LANGUAGE plpython3u;
diff --git a/src/pl/plpython/plpy_typeio.c b/src/pl/plpython/plpy_typeio.c
index 5e807b139f1..8572bd86a1e 100644
--- a/src/pl/plpython/plpy_typeio.c
+++ b/src/pl/plpython/plpy_typeio.c
@@ -1144,7 +1144,7 @@ PLySequence_ToArray(PLyObToDatum *arg, PyObject *plrv,
int i;
Datum *elems;
bool *nulls;
- int64 len;
+ int len;
int ndim;
int dims[MAXDIM];
int lbs[MAXDIM];
@@ -1163,7 +1163,6 @@ PLySequence_ToArray(PLyObToDatum *arg, PyObject *plrv,
* Determine the number of dimensions, and their sizes.
*/
ndim = 0;
- len = 1;
Py_INCREF(plrv);
@@ -1182,17 +1181,6 @@ PLySequence_ToArray(PLyObToDatum *arg, PyObject *plrv,
if (dims[ndim] < 0)
PLy_elog(ERROR, "could not determine sequence length for function return value");
- if (dims[ndim] > MaxAllocSize)
- ereport(ERROR,
- (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
- errmsg("array size exceeds the maximum allowed")));
-
- len *= dims[ndim];
- if (len > MaxAllocSize)
- ereport(ERROR,
- (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
- errmsg("array size exceeds the maximum allowed")));
-
if (dims[ndim] == 0)
{
/* empty sequence */
@@ -1222,15 +1210,18 @@ PLySequence_ToArray(PLyObToDatum *arg, PyObject *plrv,
errmsg("return value of function with array return type is not a Python sequence")));
ndim = 1;
- len = dims[0] = PySequence_Length(plrv);
+ dims[0] = PySequence_Length(plrv);
}
+ /* Allocate space for work arrays, after detecting array size overflow */
+ len = ArrayGetNItems(ndim, dims);
+ elems = palloc(sizeof(Datum) * len);
+ nulls = palloc(sizeof(bool) * len);
+
/*
* Traverse the Python lists, in depth-first order, and collect all the
* elements at the bottom level into 'elems'/'nulls' arrays.
*/
- elems = palloc(sizeof(Datum) * len);
- nulls = palloc(sizeof(bool) * len);
currelem = 0;
PLySequence_ToArray_recurse(arg->u.array.elm, plrv,
dims, ndim, 0,
diff --git a/src/pl/plpython/sql/plpython_types.sql b/src/pl/plpython/sql/plpython_types.sql
index 0d207d9c015..065d887f431 100644
--- a/src/pl/plpython/sql/plpython_types.sql
+++ b/src/pl/plpython/sql/plpython_types.sql
@@ -328,6 +328,13 @@ $$ LANGUAGE plpythonu;
SELECT * FROM test_type_conversion_array_mixed2();
+CREATE FUNCTION test_type_conversion_array_mixed3() RETURNS text[] AS $$
+return [[], 'a']
+$$ LANGUAGE plpythonu;
+
+SELECT * FROM test_type_conversion_array_mixed3();
+
+
CREATE FUNCTION test_type_conversion_mdarray_malformed() RETURNS int[] AS $$
return [[1,2,3],[4,5]]
$$ LANGUAGE plpythonu;