RayforceDB – 具有类似 Lisp 语法的纯 C 分析数据库

;聚合高价值流量，然后遍历交易对手（设置流量 (select {from: trades where: (> Notional 1000000) by: Counterparty Volume: (sum Notional)} )) (.graph.var-expand network flow 1 3 ) import rayforce as rf trades = rf.read_csv( "trades.csv" ) flow = (trades .where(rf.col( "Notional" ) > 1_000_000 ) .group_by( "交易对手" ) .agg(rf.col( "名义" ).sum())) network.expand(flow, min_深度= 1 , max_深度= 3 ) ray_t *trades = ray_read_csv( "trades.csv" ); ray_graph_t *g = ray_graph_new(交易); ray_op_t *amount = ray_scan(g, "名义" ); ray_op_t *limit = ray_const_i64(g, 1000000 ); ray_op_t *hot = ray_gt(g, 数量, 限制); ray_t *结果 = ray_execute(g, ray_filter(g, 交易, 热));结果示例 5 行 · 优化的交易对手深度量 LYNX_02 1 84.20M ALPHA_17 2 61.08M NODE_08 2 44.71M FORT_04 3 27.19M EDGE_12 3 12.42M