Fred Fettinger <[email protected]> added the comment:
I've never really looked at the python source before, but this is my best guess
at the problem:
For the standard SELECT query:
In Modules/_sqlite/cursor.c, _pysqlite_fetch_one_row() has this code:
PY_LONG_LONG intval;
...
} else if (coltype == SQLITE_INTEGER) {
intval = sqlite3_column_int64(self->statement->st, i);
if (intval < INT32_MIN || intval > INT32_MAX) {
converted = PyLong_FromLongLong(intval);
} else {
converted = PyInt_FromLong((long)intval);
}
}
For user-defined function arguments:
In Modules/_sqlite/connection.c, _pysqlite_build_py_params() has this code:
PY_LONG_LONG val_int;
...
case SQLITE_INTEGER:
val_int = sqlite3_value_int64(cur_value);
cur_py_value = PyInt_FromLong((long)val_int);
break;
A select query can return long integers from C to python but a user-defined
function argument cannot.
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<http://bugs.python.org/issue8033>
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