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brmbar.Currency.convert(): Use _latest_ exchange rate, not earliest

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Petr Baudis 2012-09-28 21:52:52 +02:00
parent 0ab5e579c7
commit 072aa83479
1 changed files with 1 additions and 1 deletions
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brmbar3/brmbar/Currency.py
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@ -63,7 +63,7 @@ class Currency:
def convert(self, amount, target):
with closing(self.db.cursor()) as cur:
cur.execute("SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since ASC LIMIT 1", [target.id, self.id])
cur.execute("SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1", [target.id, self.id])
res = cur.fetchone()
if res is None:
raise NameError("Currency.convert(): Unknown conversion " + self.name() + " to " + other.name())