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Fix plpython so that it again honors typmod while assigning to tuple fields.

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This was broken in 9.0 while improving plpython's conversion behavior for
bytea and boolean.  Per bug report from maizi.
This commit is contained in:
Tom Lane
2010-10-11 22:16:40 -04:00
parent 4016bdef8a
commit 09130e5867
3 changed files with 76 additions and 35 deletions
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62
src/pl/plpython/plpython.c
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@ -153,10 +153,8 @@ typedef union PLyTypeInput
*/
struct PLyObToDatum;
struct PLyTypeInfo;
typedef Datum (*PLyObToDatumFunc) (struct PLyTypeInfo *,
struct PLyObToDatum *,
PyObject *);
typedef Datum (*PLyObToDatumFunc) (struct PLyObToDatum *, int32 typmod,
PyObject *);
typedef struct PLyObToDatum
{
@ -346,14 +344,10 @@ static PyObject *PLyList_FromArray(PLyDatumToOb *arg, Datum d);
static PyObject *PLyDict_FromTuple(PLyTypeInfo *, HeapTuple, TupleDesc);
static Datum PLyObject_ToBool(PLyTypeInfo *, PLyObToDatum *,
PyObject *);
static Datum PLyObject_ToBytea(PLyTypeInfo *, PLyObToDatum *,
PyObject *);
static Datum PLyObject_ToDatum(PLyTypeInfo *, PLyObToDatum *,
PyObject *);
static Datum PLySequence_ToArray(PLyTypeInfo *, PLyObToDatum *,
PyObject *);
static Datum PLyObject_ToBool(PLyObToDatum *, int32, PyObject *);
static Datum PLyObject_ToBytea(PLyObToDatum *, int32, PyObject *);
static Datum PLyObject_ToDatum(PLyObToDatum *, int32, PyObject *);
static Datum PLySequence_ToArray(PLyObToDatum *, int32, PyObject *);
static HeapTuple PLyMapping_ToTuple(PLyTypeInfo *, PyObject *);
static HeapTuple PLySequence_ToTuple(PLyTypeInfo *, PyObject *);
@ -421,7 +415,8 @@ static void
plpython_error_callback(void *arg)
{
if (PLy_curr_procedure)
errcontext("PL/Python function \"%s\"", PLy_procedure_name(PLy_curr_procedure));
errcontext("PL/Python function \"%s\"",
PLy_procedure_name(PLy_curr_procedure));
}
static void
@ -743,7 +738,9 @@ PLy_modify_tuple(PLyProcedure *proc, PyObject *pltd, TriggerData *tdata,
{
PLyObToDatum *att = &proc->result.out.r.atts[atti];
modvalues[i] = (att->func) (&proc->result, att, plval);
modvalues[i] = (att->func) (att,
tupdesc->attrs[atti]->atttypmod,
plval);
modnulls[i] = ' ';
}
else
@ -1132,9 +1129,7 @@ PLy_function_handler(FunctionCallInfo fcinfo, PLyProcedure *proc)
else
{
fcinfo->isnull = false;
rv = (proc->result.out.d.func) (&proc->result,
&proc->result.out.d,
plrv);
rv = (proc->result.out.d.func) (&proc->result.out.d, -1, plrv);
}
}
PG_CATCH();
@ -2099,9 +2094,7 @@ PLyDict_FromTuple(PLyTypeInfo *info, HeapTuple tuple, TupleDesc desc)
* type can parse.
*/
static Datum
PLyObject_ToBool(PLyTypeInfo *info,
PLyObToDatum *arg,
PyObject *plrv)
PLyObject_ToBool(PLyObToDatum *arg, int32 typmod, PyObject *plrv)
{
Datum rv;
@ -2120,9 +2113,7 @@ PLyObject_ToBool(PLyTypeInfo *info,
* with embedded nulls. And it's faster this way.
*/
static Datum
PLyObject_ToBytea(PLyTypeInfo *info,
PLyObToDatum *arg,
PyObject *plrv)
PLyObject_ToBytea(PLyObToDatum *arg, int32 typmod, PyObject *plrv)
{
PyObject *volatile plrv_so = NULL;
Datum rv;
@ -2164,9 +2155,7 @@ PLyObject_ToBytea(PLyTypeInfo *info,
* cstring into PostgreSQL type.
*/
static Datum
PLyObject_ToDatum(PLyTypeInfo *info,
PLyObToDatum *arg,
PyObject *plrv)
PLyObject_ToDatum(PLyObToDatum *arg, int32 typmod, PyObject *plrv)
{
PyObject *volatile plrv_bo = NULL;
Datum rv;
@ -2202,7 +2191,10 @@ PLyObject_ToDatum(PLyTypeInfo *info,
else if (slen > plen)
elog(ERROR, "could not convert Python object into cstring: Python string longer than reported length");
pg_verifymbstr(plrv_sc, slen, false);
rv = InputFunctionCall(&arg->typfunc, plrv_sc, arg->typioparam, -1);
rv = InputFunctionCall(&arg->typfunc,
plrv_sc,
arg->typioparam,
typmod);
}
PG_CATCH();
{
@ -2217,9 +2209,7 @@ PLyObject_ToDatum(PLyTypeInfo *info,
}
static Datum
PLySequence_ToArray(PLyTypeInfo *info,
PLyObToDatum *arg,
PyObject *plrv)
PLySequence_ToArray(PLyObToDatum *arg, int32 typmod, PyObject *plrv)
{
ArrayType *array;
int i;
@ -2251,7 +2241,7 @@ PLySequence_ToArray(PLyTypeInfo *info,
* We don't support arrays of row types yet, so the first argument
* can be NULL.
*/
elems[i] = arg->elm->func(NULL, arg->elm, obj);
elems[i] = arg->elm->func(arg->elm, -1, obj);
}
Py_XDECREF(obj);
}
@ -2300,7 +2290,7 @@ PLyMapping_ToTuple(PLyTypeInfo *info, PyObject *mapping)
}
else if (value)
{
values[i] = (att->func) (info, att, value);
values[i] = (att->func) (att, -1, value);
nulls[i] = false;
}
else
@ -2377,7 +2367,7 @@ PLySequence_ToTuple(PLyTypeInfo *info, PyObject *sequence)
}
else if (value)
{
values[i] = (att->func) (info, att, value);
values[i] = (att->func) (att, -1, value);
nulls[i] = false;
}
@ -2437,7 +2427,7 @@ PLyObject_ToTuple(PLyTypeInfo *info, PyObject *object)
}
else if (value)
{
values[i] = (att->func) (info, att, value);
values[i] = (att->func) (att, -1, value);
nulls[i] = false;
}
else
@ -3019,7 +3009,9 @@ PLy_spi_execute_plan(PyObject *ob, PyObject *list, long limit)
PG_TRY();
{
plan->values[j] =
plan->args[j].out.d.func(NULL, &(plan->args[j].out.d), elem);
plan->args[j].out.d.func(&(plan->args[j].out.d),
-1,
elem);
}
PG_CATCH();
{