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Make sure to use 64 bits in interval parsing accumulators

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This commit is contained in:
Daniele Varrazzo 2017-02-24 12:10:54 +00:00
parent 834e9996da
commit 3b665d35d5
1 changed files with 10 additions and 12 deletions
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20
psycopg/typecast_datetime.c
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@ -220,10 +220,9 @@ typecast_PYTIME_cast(const char *str, Py_ssize_t len, PyObject *curs)
static PyObject *
typecast_PYINTERVAL_cast(const char *str, Py_ssize_t len, PyObject *curs)
{
long years = 0, months = 0, days = 0;
long hours = 0, minutes = 0, seconds = 0, micros = 0;
long v = 0, sign = 1, denom = 1;
int part = 0;
long v = 0, years = 0, months = 0, hours = 0, minutes = 0, micros = 0;
PY_LONG_LONG days = 0, seconds = 0;
int sign = 1, denom = 1, part = 0;
if (str == NULL) { Py_RETURN_NONE; }
@ -313,19 +312,18 @@ typecast_PYINTERVAL_cast(const char *str, Py_ssize_t len, PyObject *curs)
}
}
/* add hour, minutes, seconds, and include the sign */
seconds += 60 * minutes + 3600 * hours;
/* add hour, minutes, seconds together and include the sign */
seconds += 60 * (PY_LONG_LONG)minutes + 3600 * (PY_LONG_LONG)hours;
if (sign < 0) {
seconds = -seconds;
micros = -micros;
}
/* add the days - these items already included their own sign */
seconds += (3600 * 24) * (days + 30 * months + 365 * years);
/* add the days, months years together - they already include a sign */
days += 30 * (PY_LONG_LONG)months + 365 * (PY_LONG_LONG)years;
return PyObject_CallFunction((PyObject*)PyDateTimeAPI->DeltaType, "lll",
0L, seconds, micros);
return PyObject_CallFunction((PyObject*)PyDateTimeAPI->DeltaType, "LLl",
days, seconds, micros);
}
/* psycopg defaults to using python datetime types */