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修复 NaN 值导致 JSON 序列化失败、K 线数据无法展示

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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
fish
2026-05-07 23:02:39 +08:00
parent f7b60659ab
commit 465feaa833
2 changed files with 10 additions and 3 deletions
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8
web/backend/internal/store/futures.go
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@@ -149,9 +149,11 @@ func (s *FuturesStore) ListCandles(tsCode, start, end string) ([]Candle, error)
return nil, ErrMissingTsCode
}
q := `SELECT ts_code, trade_date,
COALESCE(open, 0), COALESCE(high, 0), COALESCE(low, 0), COALESCE(close, 0),
COALESCE(vol, 0), COALESCE(amount, 0),
COALESCE(oi, 0), COALESCE(oi_chg, 0), COALESCE(pre_close, 0)
COALESCE(NULLIF(open, 'NaN'::real), 0), COALESCE(NULLIF(high, 'NaN'::real), 0),
COALESCE(NULLIF(low, 'NaN'::real), 0), COALESCE(NULLIF(close, 'NaN'::real), 0),
COALESCE(NULLIF(vol, 'NaN'::real), 0), COALESCE(NULLIF(amount, 'NaN'::real), 0),
COALESCE(NULLIF(oi, 'NaN'::real), 0), COALESCE(NULLIF(oi_chg, 'NaN'::real), 0),
COALESCE(NULLIF(pre_close, 'NaN'::real), 0)
FROM candles WHERE ts_code = $1`
args := []any{tsCode}
n := 1