【代码报错】ParserException: Parser Error: syntax error at or near ")"

由bqgorp2v创建，最终由xuxiaoyin更新于2025-10-21 01:45 被浏览 18 用户

https://bigquant.com/codesharev3/41d72726-3db4-4f25-8566-b2f1398c4ee3

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评论

大神们，为什么全部运行之后一直报错啊？我用的东西也不多呀…
AND (CASE
WHEN (m_lag(mean(close, 5), 1) < m_lag(mean(close, 20), 1))
AND (mean(close, 5) >= mean(close, 20)) THEN 1
ELSE 0
END = 1) 提示你漏了一个括号。
就算补上了照样运行不了…这东西好难用啊…
SELECT
date,
instrument,
close,
volume,
m_avg(close, 5) AS close_5,
m_avg(close, 20) AS close_20,
m_avg(volume, 5) AS vol_5,
m_avg(volume, 10) AS vol_10,
m_avg(volume, 20) AS vol_20,
m_lag(m_avg(close, 5), 1) AS close_5_lag1,
m_lag(m_avg(close, 20), 1) AS close_20_lag1,
CASE
WHEN (m_lag(m_avg(close, 5), 1) < m_lag(m_avg(close, 20), 1))
AND (m_avg(close, 5) >= m_avg(close, 20)) THEN 1
ELSE 0
END AS ma_cross_signal
FROM
cn_stock_bar1d
WHERE
volume > 0 AND close > 0
AND date BETWEEN '2018-10-01' AND '2024-04-30' -- 明确指定日期范围[1,2](@ref)
QUALIFY
COLUMNS(*) IS NOT NULL
-- 添加成交量过滤条件：成交量超过5日、10日、20日均量
AND (volume >= m_avg(volume, 5))
AND (volume >= m_avg(volume, 10))
AND (volume >= m_avg(volume, 20))
-- 只选择有买入信号的股票
AND ma_cross_signal = 1
ORDER BY date, instrument
可以试试这个

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