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Fix quite-bogus handling of arrays in plpython datum-to-PyObject

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conversion.  Per bug #5497 from David Gardner.
This commit is contained in:
Tom Lane 2010-06-10 04:05:01 +00:00
parent 932de8916f
commit 4ddf151c49
1 changed files with 15 additions and 4 deletions
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19
src/pl/plpython/plpython.c
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@ -1,7 +1,7 @@
/**********************************************************************
* plpython.c - python as a procedural language for PostgreSQL
*
* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.143 2010/05/01 17:04:38 tgl Exp $
* $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.144 2010/06/10 04:05:01 tgl Exp $
*
*********************************************************************
*/
@ -1838,6 +1838,7 @@ PLy_input_datum_func2(PLyDatumToOb *arg, Oid typeOid, HeapTuple typeTup)
arg->typioparam = getTypeIOParam(typeTup);
arg->typbyval = typeStruct->typbyval;
arg->typlen = typeStruct->typlen;
arg->typalign = typeStruct->typalign;
/* Determine which kind of Python object we will convert to */
switch (getBaseType(element_type ? element_type : typeOid))
@ -1873,10 +1874,17 @@ PLy_input_datum_func2(PLyDatumToOb *arg, Oid typeOid, HeapTuple typeTup)
if (element_type)
{
char dummy_delim;
Oid funcid;
arg->elm = PLy_malloc0(sizeof(*arg->elm));
arg->elm->func = arg->func;
arg->func = PLyList_FromArray;
get_typlenbyvalalign(element_type, &arg->elm->typlen, &arg->elm->typbyval, &arg->elm->typalign);
arg->elm->typoid = element_type;
get_type_io_data(element_type, IOFunc_output,
&arg->elm->typlen, &arg->elm->typbyval, &arg->elm->typalign, &dummy_delim,
&arg->elm->typioparam, &funcid);
perm_fmgr_info(funcid, &arg->elm->typfunc);
}
}
@ -1986,6 +1994,7 @@ static PyObject *
PLyList_FromArray(PLyDatumToOb *arg, Datum d)
{
ArrayType *array = DatumGetArrayTypeP(d);
PLyDatumToOb *elm = arg->elm;
PyObject *list;
int length;
int lbound;
@ -2011,11 +2020,13 @@ PLyList_FromArray(PLyDatumToOb *arg, Datum d)
int offset;
offset = lbound + i;
elem = array_ref(array, 1, &offset, arg->typlen, arg->elm->typlen, arg->elm->typbyval, arg->elm->typalign, &isnull);
elem = array_ref(array, 1, &offset, arg->typlen,
elm->typlen, elm->typbyval, elm->typalign,
&isnull);
if (isnull)
PyList_SET_ITEM(list, i, Py_None);
else
PyList_SET_ITEM(list, i, arg->elm->func(arg, elem));
PyList_SET_ITEM(list, i, elm->func(elm, elem));
}
return list;