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State functions are a compelling feature that allow data to be incrementally summarized for later queries using Aggregate functions. However, materialized views that compute many state functions — especially quantile states — can be CPU intensive and lead to slow inserts. Be deliberate about which aggregations you precompute and ensure the query-time savings justify the insert-time cost.，这一点在wps中也有详细论述
百度去年 AI 业务营收达 400 亿元，萝卜快跑累计出行破 2000 万。关于这个话题，谷歌提供了深入分析
return ok(temp);
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