update app_vx
This commit is contained in:
516
app_vx.py
516
app_vx.py
@@ -15,6 +15,7 @@ from pathlib import Path
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import time
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import time
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from sqlalchemy import create_engine, text, func, or_, case, event, desc, asc
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from sqlalchemy import create_engine, text, func, or_, case, event, desc, asc
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from flask import Flask, has_request_context, render_template, request, jsonify, redirect, url_for, flash, session, render_template_string, current_app, send_from_directory
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from flask import Flask, has_request_context, render_template, request, jsonify, redirect, url_for, flash, session, render_template_string, current_app, send_from_directory
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from flask_sqlalchemy import SQLAlchemy
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from flask_sqlalchemy import SQLAlchemy
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from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
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from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
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from flask_mail import Mail, Message
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from flask_mail import Mail, Message
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@@ -325,7 +326,7 @@ def subscription_required(level='pro'):
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@subscription_required('pro') # 需要 Pro 或 Max 用户
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@subscription_required('pro') # 需要 Pro 或 Max 用户
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@subscription_required('max') # 仅限 Max 用户
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@subscription_required('max') # 仅限 Max 用户
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注意:此装饰器需要配合 @token_required 使用
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注意:此装饰器需要配合 使用
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"""
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"""
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from functools import wraps
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from functools import wraps
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@@ -1052,8 +1053,6 @@ def get_clickhouse_client():
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@app.route('/api/stock/<stock_code>/kline')
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@app.route('/api/stock/<stock_code>/kline')
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@token_required
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@pro_or_max_required
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def get_stock_kline(stock_code):
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def get_stock_kline(stock_code):
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"""获取股票K线数据 - 仅限 Pro/Max 会员(小程序功能)"""
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"""获取股票K线数据 - 仅限 Pro/Max 会员(小程序功能)"""
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chart_type = request.args.get('chart_type', 'daily') # 默认改为daily
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chart_type = request.args.get('chart_type', 'daily') # 默认改为daily
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@@ -1628,7 +1627,7 @@ def add_comment(post_id):
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@app.route('/post/comments/<int:post_id>')
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@app.route('/post/comments/<int:post_id>')
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@token_required
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def get_comments(post_id):
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def get_comments(post_id):
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"""获取帖子评论列表"""
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"""获取帖子评论列表"""
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page = request.args.get('page', 1, type=int)
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page = request.args.get('page', 1, type=int)
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@@ -2012,8 +2011,8 @@ def get_limit_rate(stock_code):
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@app.route('/api/events', methods=['GET'])
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@app.route('/api/events', methods=['GET'])
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@token_required
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@pro_or_max_required
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def api_get_events():
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def api_get_events():
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"""
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"""
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获取事件列表API - 优化版本(保持完全兼容)
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获取事件列表API - 优化版本(保持完全兼容)
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@@ -2555,11 +2554,7 @@ def api_get_events():
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'week_change': week_change
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'week_change': week_change
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}
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}
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# ==================== 获取整体统计信息 ====================
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# ==================== 获取整体统计信息(应用所有筛选条件) ====================
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# 获取所有筛选条件下的事件和股票(用于统计)
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all_filtered_events = query.limit(500).all()
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all_event_ids = [e.id for e in all_filtered_events]
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overall_distribution = {
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overall_distribution = {
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'limit_down': 0,
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'limit_down': 0,
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@@ -2573,40 +2568,105 @@ def api_get_events():
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'limit_up': 0
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'limit_up': 0
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}
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}
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if all_event_ids:
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# 使用当前筛选条件的query,但不应用分页限制,获取所有符合条件的事件
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# 获取所有相关股票
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# 这样统计数据会跟随用户的筛选条件变化
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all_stocks_for_stats = RelatedStock.query.filter(
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all_filtered_events = query.limit(1000).all() # 限制最多1000个事件,避免查询过慢
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RelatedStock.event_id.in_(all_event_ids)
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week_event_ids = [e.id for e in all_filtered_events]
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if week_event_ids:
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# 获取这些事件的所有关联股票
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week_related_stocks = RelatedStock.query.filter(
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RelatedStock.event_id.in_(week_event_ids)
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).all()
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).all()
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# 统计涨跌分布
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# 按事件ID分组
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for stock in all_stocks_for_stats:
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week_stocks_by_event = {}
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clean_code = stock.stock_code.replace('.SH', '').replace('.SZ', '').replace('.BJ', '')
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for stock in week_related_stocks:
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if clean_code in stock_changes:
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if stock.event_id not in week_stocks_by_event:
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daily_change = stock_changes[clean_code]['daily_change']
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week_stocks_by_event[stock.event_id] = []
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week_stocks_by_event[stock.event_id].append(stock)
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# 计算涨跌停限制
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# 收集所有股票代码(用于批量查询行情)
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limit_rate = get_limit_rate(stock.stock_code)
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week_stock_codes = []
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week_code_mapping = {}
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for stocks in week_stocks_by_event.values():
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for stock in stocks:
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clean_code = stock.stock_code.replace('.SH', '').replace('.SZ', '').replace('.BJ', '')
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week_stock_codes.append(clean_code)
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week_code_mapping[clean_code] = stock.stock_code
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# 分类统计
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week_stock_codes = list(set(week_stock_codes))
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if daily_change <= -limit_rate + 0.01:
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overall_distribution['limit_down'] += 1
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# 批量查询这些股票的最新行情数据
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elif daily_change >= limit_rate - 0.01:
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week_stock_changes = {}
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overall_distribution['limit_up'] += 1
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if week_stock_codes:
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elif daily_change > 5:
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codes_str = "'" + "', '".join(week_stock_codes) + "'"
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overall_distribution['up_over_5'] += 1
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recent_trades_sql = f"""
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elif daily_change > 1:
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SELECT
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overall_distribution['up_1_to_5'] += 1
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SECCODE,
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elif daily_change > 0.1:
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SECNAME,
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overall_distribution['up_within_1'] += 1
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F010N as daily_change,
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elif daily_change >= -0.1:
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ROW_NUMBER() OVER (PARTITION BY SECCODE ORDER BY TRADEDATE DESC) as rn
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overall_distribution['flat'] += 1
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FROM ea_trade
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elif daily_change > -1:
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WHERE SECCODE IN ({codes_str})
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overall_distribution['down_within_1'] += 1
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AND F010N IS NOT NULL
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elif daily_change > -5:
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AND TRADEDATE >= DATE_SUB(CURDATE(), INTERVAL 3 DAY)
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overall_distribution['down_5_to_1'] += 1
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ORDER BY SECCODE, TRADEDATE DESC
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else:
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"""
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overall_distribution['down_over_5'] += 1
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result = db.session.execute(text(recent_trades_sql))
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for row in result.fetchall():
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sec_code = row[0]
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if row[3] == 1: # 只取最新的数据(rn=1)
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week_stock_changes[sec_code] = {
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'stock_name': row[1],
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'daily_change': float(row[2]) if row[2] else 0
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}
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# 按事件统计平均涨跌幅分布
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event_avg_changes = {}
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for event in all_filtered_events:
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event_stocks = week_stocks_by_event.get(event.id, [])
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if not event_stocks:
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continue
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total_change = 0
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valid_count = 0
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for stock in event_stocks:
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clean_code = stock.stock_code.replace('.SH', '').replace('.SZ', '').replace('.BJ', '')
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if clean_code in week_stock_changes:
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daily_change = week_stock_changes[clean_code]['daily_change']
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total_change += daily_change
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valid_count += 1
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if valid_count > 0:
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avg_change = total_change / valid_count
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event_avg_changes[event.id] = avg_change
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# 统计事件平均涨跌幅的分布
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for event_id, avg_change in event_avg_changes.items():
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# 对于事件平均涨幅,不使用涨跌停分类,使用通用分类
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if avg_change <= -10:
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overall_distribution['limit_down'] += 1
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elif avg_change >= 10:
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overall_distribution['limit_up'] += 1
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elif avg_change > 5:
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overall_distribution['up_over_5'] += 1
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elif avg_change > 1:
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overall_distribution['up_1_to_5'] += 1
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elif avg_change > 0.1:
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overall_distribution['up_within_1'] += 1
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elif avg_change >= -0.1:
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overall_distribution['flat'] += 1
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elif avg_change > -1:
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overall_distribution['down_within_1'] += 1
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elif avg_change > -5:
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overall_distribution['down_5_to_1'] += 1
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else:
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overall_distribution['down_over_5'] += 1
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# ==================== 构建响应数据 ====================
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# ==================== 构建响应数据 ====================
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@@ -2839,8 +2899,8 @@ def get_event_class(count):
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else:
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else:
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return 'bg-gradient-success'
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return 'bg-gradient-success'
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@app.route('/api/calendar-event-counts')
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@app.route('/api/calendar-event-counts')
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@token_required
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@pro_or_max_required
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def get_calendar_event_counts():
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def get_calendar_event_counts():
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"""获取整月的事件数量统计,仅统计type为event的事件"""
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"""获取整月的事件数量统计,仅统计type为event的事件"""
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try:
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try:
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@@ -2930,8 +2990,8 @@ def to_dict(self):
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# 1. 首页接口
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# 1. 首页接口
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@app.route('/api/home', methods=['GET'])
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@app.route('/api/home', methods=['GET'])
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@token_required
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@pro_or_max_required
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def api_home():
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def api_home():
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try:
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try:
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seven_days_ago = datetime.now() - timedelta(days=7)
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seven_days_ago = datetime.now() - timedelta(days=7)
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@@ -3620,17 +3680,107 @@ def api_login_email():
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# 5. 事件详情-相关标的接口
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# 5. 事件详情-相关标的接口
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@app.route('/api/event/<int:event_id>/related-stocks-detail', methods=['GET'])
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@app.route('/api/event/<int:event_id>/related-stocks-detail', methods=['GET'])
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@token_required
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@pro_or_max_required
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def api_event_related_stocks(event_id):
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def api_event_related_stocks(event_id):
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"""事件相关标的详情接口 - 仅限 Pro/Max 会员"""
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"""事件相关标的详情接口 - 仅限 Pro/Max 会员"""
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try:
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try:
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from datetime import datetime, timedelta, time as dt_time
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from sqlalchemy import text
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event = Event.query.get_or_404(event_id)
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event = Event.query.get_or_404(event_id)
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related_stocks = event.related_stocks.order_by(RelatedStock.correlation.desc()).all()
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related_stocks = event.related_stocks.order_by(RelatedStock.correlation.desc()).all()
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# 获取ClickHouse客户端用于分时数据查询
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# 获取ClickHouse客户端用于分时数据查询
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client = get_clickhouse_client()
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client = get_clickhouse_client()
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# 获取事件时间(如果事件有开始时间,使用开始时间;否则使用创建时间)
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event_time = event.start_time if event.start_time else event.created_at
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current_time = datetime.now()
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# 定义交易日和时间范围计算函数(与 app.py 中的逻辑完全一致)
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def get_trading_day_and_times(event_datetime):
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event_date = event_datetime.date()
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event_time_only = event_datetime.time()
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# Trading hours
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market_open = dt_time(9, 30)
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market_close = dt_time(15, 0)
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with engine.connect() as conn:
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# First check if the event date itself is a trading day
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is_trading_day = conn.execute(text("""
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SELECT 1
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FROM trading_days
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WHERE EXCHANGE_DATE = :date
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"""), {"date": event_date}).fetchone() is not None
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if is_trading_day:
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# If it's a trading day, determine time period based on event time
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if event_time_only < market_open:
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# Before market opens - use full trading day
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return event_date, market_open, market_close
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elif event_time_only > market_close:
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# After market closes - get next trading day
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next_trading_day = conn.execute(text("""
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SELECT EXCHANGE_DATE
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FROM trading_days
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WHERE EXCHANGE_DATE > :date
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ORDER BY EXCHANGE_DATE LIMIT 1
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"""), {"date": event_date}).fetchone()
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# Convert to date object if we found a next trading day
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return (next_trading_day[0].date() if next_trading_day else None,
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market_open, market_close)
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else:
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# During trading hours
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return event_date, event_time_only, market_close
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else:
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# If not a trading day, get next trading day
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next_trading_day = conn.execute(text("""
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SELECT EXCHANGE_DATE
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FROM trading_days
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WHERE EXCHANGE_DATE > :date
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ORDER BY EXCHANGE_DATE LIMIT 1
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"""), {"date": event_date}).fetchone()
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# Convert to date object if we found a next trading day
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return (next_trading_day[0].date() if next_trading_day else None,
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market_open, market_close)
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trading_day, start_time, end_time = get_trading_day_and_times(event_time)
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if not trading_day:
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# 如果没有交易日,返回空数据
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return jsonify({
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'code': 200,
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'message': 'success',
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'data': {
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'event_id': event_id,
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'event_title': event.title,
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'event_desc': event.description,
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'event_type': event.event_type,
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'event_importance': event.importance,
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'event_status': event.status,
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'event_created_at': event.created_at.strftime("%Y-%m-%d %H:%M:%S"),
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'event_start_time': event.start_time.isoformat() if event.start_time else None,
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'event_end_time': event.end_time.isoformat() if event.end_time else None,
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'keywords': event.keywords,
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'view_count': event.view_count,
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'post_count': event.post_count,
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'follower_count': event.follower_count,
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'related_stocks': [],
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'total_count': 0
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}
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})
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# For historical dates, ensure we're using actual data
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start_datetime = datetime.combine(trading_day, start_time)
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end_datetime = datetime.combine(trading_day, end_time)
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# If the trading day is in the future relative to current time, return only names without data
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if trading_day > current_time.date():
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start_datetime = datetime.combine(trading_day, start_time)
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end_datetime = datetime.combine(trading_day, end_time)
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print(f"事件时间: {event_time}, 交易日: {trading_day}, 时间范围: {start_datetime} - {end_datetime}")
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def get_minute_chart_data(stock_code):
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def get_minute_chart_data(stock_code):
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"""获取股票分时图数据"""
|
"""获取股票分时图数据"""
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||||||
try:
|
try:
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@@ -3705,39 +3855,126 @@ def api_event_related_stocks(event_id):
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|||||||
|
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stocks_data = []
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stocks_data = []
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for stock in related_stocks:
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for stock in related_stocks:
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# 获取股票基本信息 - 也使用灵活匹配
|
print(f"正在处理股票 {stock.stock_code} 的价格数据...")
|
||||||
|
|
||||||
|
# 获取股票基本信息
|
||||||
stock_info = StockBasicInfo.query.filter_by(SECCODE=stock.stock_code).first()
|
stock_info = StockBasicInfo.query.filter_by(SECCODE=stock.stock_code).first()
|
||||||
if not stock_info:
|
if not stock_info:
|
||||||
base_code = stock.stock_code.split('.')[0]
|
base_code = stock.stock_code.split('.')[0]
|
||||||
stock_info = StockBasicInfo.query.filter_by(SECCODE=base_code).first()
|
stock_info = StockBasicInfo.query.filter_by(SECCODE=base_code).first()
|
||||||
|
|
||||||
# 获取最新交易数据 - 使用灵活匹配
|
# 使用与 get_stock_quotes 完全相同的逻辑计算涨跌幅
|
||||||
latest_trade = None
|
latest_price = None
|
||||||
search_codes = [stock.stock_code, stock.stock_code.split('.')[0]]
|
first_price = None
|
||||||
|
|
||||||
for code in search_codes:
|
|
||||||
latest_trade = TradeData.query.filter_by(SECCODE=code) \
|
|
||||||
.order_by(TradeData.TRADEDATE.desc()).first()
|
|
||||||
if latest_trade:
|
|
||||||
break
|
|
||||||
|
|
||||||
# 获取前一交易日数据
|
|
||||||
prev_trade = None
|
|
||||||
if latest_trade:
|
|
||||||
prev_trade = TradeData.query.filter_by(SECCODE=latest_trade.SECCODE) \
|
|
||||||
.filter(TradeData.TRADEDATE < latest_trade.TRADEDATE) \
|
|
||||||
.order_by(TradeData.TRADEDATE.desc()).first()
|
|
||||||
|
|
||||||
# 计算涨跌幅
|
|
||||||
change_pct = None
|
change_pct = None
|
||||||
change_amount = None
|
change_amount = None
|
||||||
if latest_trade and prev_trade:
|
open_price = None
|
||||||
if prev_trade.F007N and prev_trade.F007N != 0:
|
high_price = None
|
||||||
change_amount = float(latest_trade.F007N) - float(prev_trade.F007N)
|
low_price = None
|
||||||
change_pct = (change_amount / float(prev_trade.F007N)) * 100
|
volume = None
|
||||||
elif latest_trade and latest_trade.F010N:
|
amount = None
|
||||||
change_pct = float(latest_trade.F010N)
|
trade_date = trading_day
|
||||||
change_amount = float(latest_trade.F009N) if latest_trade.F009N else None
|
|
||||||
|
try:
|
||||||
|
# 使用与 get_stock_quotes 完全相同的 SQL 查询
|
||||||
|
# 获取事件时间点的第一个价格 (first_price) 和当前时间的最后一个价格 (last_price)
|
||||||
|
data = client.execute("""
|
||||||
|
WITH first_price AS (
|
||||||
|
SELECT close
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code = %(code)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
ORDER BY timestamp
|
||||||
|
LIMIT 1
|
||||||
|
),
|
||||||
|
last_price AS (
|
||||||
|
SELECT close
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code = %(code)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
ORDER BY timestamp DESC
|
||||||
|
LIMIT 1
|
||||||
|
)
|
||||||
|
SELECT
|
||||||
|
last_price.close as last_price,
|
||||||
|
(last_price.close - first_price.close) / first_price.close * 100 as change,
|
||||||
|
first_price.close as first_price
|
||||||
|
FROM last_price
|
||||||
|
CROSS JOIN first_price
|
||||||
|
WHERE EXISTS (SELECT 1 FROM first_price)
|
||||||
|
AND EXISTS (SELECT 1 FROM last_price)
|
||||||
|
""", {
|
||||||
|
'code': stock.stock_code,
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
print(f"股票 {stock.stock_code} 查询结果: {data}")
|
||||||
|
|
||||||
|
if data and data[0] and data[0][0] is not None:
|
||||||
|
latest_price = float(data[0][0])
|
||||||
|
change_pct = float(data[0][1]) if data[0][1] is not None else None
|
||||||
|
first_price = float(data[0][2]) if len(data[0]) > 2 and data[0][2] is not None else None
|
||||||
|
|
||||||
|
# 计算涨跌额
|
||||||
|
if latest_price is not None and first_price is not None:
|
||||||
|
change_amount = latest_price - first_price
|
||||||
|
|
||||||
|
# 获取额外的价格信息(开盘价、最高价、最低价等)
|
||||||
|
extra_data = client.execute("""
|
||||||
|
SELECT
|
||||||
|
open, high, low, volume, amt
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code = %(code)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
ORDER BY timestamp DESC
|
||||||
|
LIMIT 1
|
||||||
|
""", {
|
||||||
|
'code': stock.stock_code,
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
if extra_data and extra_data[0]:
|
||||||
|
open_price = float(extra_data[0][0]) if extra_data[0][0] else None
|
||||||
|
high_price = float(extra_data[0][1]) if extra_data[0][1] else None
|
||||||
|
low_price = float(extra_data[0][2]) if extra_data[0][2] else None
|
||||||
|
volume = int(extra_data[0][3]) if extra_data[0][3] else None
|
||||||
|
amount = float(extra_data[0][4]) if extra_data[0][4] else None
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"Error fetching price data for {stock.stock_code}: {e}")
|
||||||
|
# 如果 ClickHouse 查询失败,尝试使用 TradeData 作为降级方案
|
||||||
|
try:
|
||||||
|
latest_trade = None
|
||||||
|
search_codes = [stock.stock_code, stock.stock_code.split('.')[0]]
|
||||||
|
|
||||||
|
for code in search_codes:
|
||||||
|
latest_trade = TradeData.query.filter_by(SECCODE=code) \
|
||||||
|
.order_by(TradeData.TRADEDATE.desc()).first()
|
||||||
|
if latest_trade:
|
||||||
|
break
|
||||||
|
|
||||||
|
if latest_trade:
|
||||||
|
latest_price = float(latest_trade.F007N) if latest_trade.F007N else None
|
||||||
|
open_price = float(latest_trade.F003N) if latest_trade.F003N else None
|
||||||
|
high_price = float(latest_trade.F005N) if latest_trade.F005N else None
|
||||||
|
low_price = float(latest_trade.F006N) if latest_trade.F006N else None
|
||||||
|
first_price = float(latest_trade.F002N) if latest_trade.F002N else None
|
||||||
|
volume = float(latest_trade.F004N) if latest_trade.F004N else None
|
||||||
|
amount = float(latest_trade.F011N) if latest_trade.F011N else None
|
||||||
|
trade_date = latest_trade.TRADEDATE
|
||||||
|
|
||||||
|
# 计算涨跌幅
|
||||||
|
if latest_trade.F010N:
|
||||||
|
change_pct = float(latest_trade.F010N)
|
||||||
|
if latest_trade.F009N:
|
||||||
|
change_amount = float(latest_trade.F009N)
|
||||||
|
except Exception as fallback_error:
|
||||||
|
print(f"Fallback query also failed for {stock.stock_code}: {fallback_error}")
|
||||||
|
|
||||||
# 获取分时图数据
|
# 获取分时图数据
|
||||||
minute_chart_data = get_minute_chart_data(stock.stock_code)
|
minute_chart_data = get_minute_chart_data(stock.stock_code)
|
||||||
@@ -3755,17 +3992,19 @@ def api_event_related_stocks(event_id):
|
|||||||
|
|
||||||
# 交易数据
|
# 交易数据
|
||||||
'trade_data': {
|
'trade_data': {
|
||||||
'latest_price': float(latest_trade.F007N) if latest_trade and latest_trade.F007N else None,
|
'latest_price': latest_price,
|
||||||
'open_price': float(latest_trade.F003N) if latest_trade and latest_trade.F003N else None,
|
'first_price': first_price, # 事件发生时的价格
|
||||||
'high_price': float(latest_trade.F005N) if latest_trade and latest_trade.F005N else None,
|
'open_price': open_price,
|
||||||
'low_price': float(latest_trade.F006N) if latest_trade and latest_trade.F006N else None,
|
'high_price': high_price,
|
||||||
'prev_close': float(latest_trade.F002N) if latest_trade and latest_trade.F002N else None,
|
'low_price': low_price,
|
||||||
'change_amount': change_amount,
|
'change_amount': round(change_amount, 2) if change_amount is not None else None,
|
||||||
'change_pct': round(change_pct, 2) if change_pct is not None else None,
|
'change_pct': round(change_pct, 2) if change_pct is not None else None,
|
||||||
'volume': float(latest_trade.F004N) if latest_trade and latest_trade.F004N else None,
|
'volume': volume,
|
||||||
'amount': float(latest_trade.F011N) if latest_trade and latest_trade.F011N else None,
|
'amount': amount,
|
||||||
'trade_date': latest_trade.TRADEDATE.isoformat() if latest_trade else None,
|
'trade_date': trade_date.isoformat() if trade_date else None,
|
||||||
} if latest_trade else None,
|
'event_start_time': start_datetime.isoformat() if start_datetime else None, # 事件开始时间
|
||||||
|
'event_end_time': end_datetime.isoformat() if end_datetime else None, # 查询结束时间
|
||||||
|
} if latest_price is not None else None,
|
||||||
|
|
||||||
# 分时图数据
|
# 分时图数据
|
||||||
'minute_chart_data': minute_chart_data,
|
'minute_chart_data': minute_chart_data,
|
||||||
@@ -3809,8 +4048,8 @@ def api_event_related_stocks(event_id):
|
|||||||
|
|
||||||
|
|
||||||
@app.route('/api/stock/<stock_code>/minute-chart', methods=['GET'])
|
@app.route('/api/stock/<stock_code>/minute-chart', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def get_minute_chart_data(stock_code):
|
def get_minute_chart_data(stock_code):
|
||||||
"""获取股票分时图数据 - 仅限 Pro/Max 会员"""
|
"""获取股票分时图数据 - 仅限 Pro/Max 会员"""
|
||||||
client = get_clickhouse_client()
|
client = get_clickhouse_client()
|
||||||
@@ -3885,8 +4124,8 @@ def get_minute_chart_data(stock_code):
|
|||||||
|
|
||||||
|
|
||||||
@app.route('/api/event/<int:event_id>/stock/<stock_code>/detail', methods=['GET'])
|
@app.route('/api/event/<int:event_id>/stock/<stock_code>/detail', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_stock_detail(event_id, stock_code):
|
def api_stock_detail(event_id, stock_code):
|
||||||
"""个股详情接口 - 仅限 Pro/Max 会员"""
|
"""个股详情接口 - 仅限 Pro/Max 会员"""
|
||||||
try:
|
try:
|
||||||
@@ -4146,8 +4385,8 @@ def get_stock_minute_chart_data(stock_code):
|
|||||||
|
|
||||||
# 7. 事件详情-相关概念接口
|
# 7. 事件详情-相关概念接口
|
||||||
@app.route('/api/event/<int:event_id>/related-concepts', methods=['GET'])
|
@app.route('/api/event/<int:event_id>/related-concepts', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_event_related_concepts(event_id):
|
def api_event_related_concepts(event_id):
|
||||||
"""事件相关概念接口"""
|
"""事件相关概念接口"""
|
||||||
try:
|
try:
|
||||||
@@ -4189,8 +4428,8 @@ def api_event_related_concepts(event_id):
|
|||||||
|
|
||||||
# 8. 事件详情-历史事件接口
|
# 8. 事件详情-历史事件接口
|
||||||
@app.route('/api/event/<int:event_id>/historical-events', methods=['GET'])
|
@app.route('/api/event/<int:event_id>/historical-events', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_event_historical_events(event_id):
|
def api_event_historical_events(event_id):
|
||||||
"""事件历史事件接口"""
|
"""事件历史事件接口"""
|
||||||
try:
|
try:
|
||||||
@@ -4290,8 +4529,8 @@ def api_event_historical_events(event_id):
|
|||||||
|
|
||||||
|
|
||||||
@app.route('/api/event/<int:event_id>/comments', methods=['GET'])
|
@app.route('/api/event/<int:event_id>/comments', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def get_event_comments(event_id):
|
def get_event_comments(event_id):
|
||||||
"""获取事件的所有评论和帖子(嵌套格式)
|
"""获取事件的所有评论和帖子(嵌套格式)
|
||||||
|
|
||||||
@@ -4545,8 +4784,8 @@ def get_event_comments(event_id):
|
|||||||
|
|
||||||
|
|
||||||
@app.route('/api/comment/<int:comment_id>/replies', methods=['GET'])
|
@app.route('/api/comment/<int:comment_id>/replies', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def get_comment_replies(comment_id):
|
def get_comment_replies(comment_id):
|
||||||
"""获取某条评论的所有回复
|
"""获取某条评论的所有回复
|
||||||
|
|
||||||
@@ -4689,10 +4928,64 @@ def get_comment_replies(comment_id):
|
|||||||
}), 500
|
}), 500
|
||||||
|
|
||||||
|
|
||||||
|
# 工具函数:清理 Markdown 文本
|
||||||
|
def clean_markdown_text(text):
|
||||||
|
"""清理文本中的 Markdown 符号和多余的换行符
|
||||||
|
|
||||||
|
Args:
|
||||||
|
text: 原始文本(可能包含 Markdown 符号)
|
||||||
|
|
||||||
|
Returns:
|
||||||
|
清理后的纯文本
|
||||||
|
"""
|
||||||
|
if not text:
|
||||||
|
return text
|
||||||
|
|
||||||
|
import re
|
||||||
|
|
||||||
|
# 1. 移除 Markdown 标题符号 (### , ## , # )
|
||||||
|
text = re.sub(r'^#{1,6}\s+', '', text, flags=re.MULTILINE)
|
||||||
|
|
||||||
|
# 2. 移除 Markdown 加粗符号 (**text** 或 __text__)
|
||||||
|
text = re.sub(r'\*\*(.+?)\*\*', r'\1', text)
|
||||||
|
text = re.sub(r'__(.+?)__', r'\1', text)
|
||||||
|
|
||||||
|
# 3. 移除 Markdown 斜体符号 (*text* 或 _text_)
|
||||||
|
text = re.sub(r'\*(.+?)\*', r'\1', text)
|
||||||
|
text = re.sub(r'_(.+?)_', r'\1', text)
|
||||||
|
|
||||||
|
# 4. 移除 Markdown 列表符号 (- , * , + , 1. )
|
||||||
|
text = re.sub(r'^[\s]*[-*+]\s+', '', text, flags=re.MULTILINE)
|
||||||
|
text = re.sub(r'^[\s]*\d+\.\s+', '', text, flags=re.MULTILINE)
|
||||||
|
|
||||||
|
# 5. 移除 Markdown 引用符号 (> )
|
||||||
|
text = re.sub(r'^>\s+', '', text, flags=re.MULTILINE)
|
||||||
|
|
||||||
|
# 6. 移除 Markdown 代码块符号 (``` 或 `)
|
||||||
|
text = re.sub(r'```[\s\S]*?```', '', text)
|
||||||
|
text = re.sub(r'`(.+?)`', r'\1', text)
|
||||||
|
|
||||||
|
# 7. 移除 Markdown 链接 ([text](url) -> text)
|
||||||
|
text = re.sub(r'\[(.+?)\]\(.+?\)', r'\1', text)
|
||||||
|
|
||||||
|
# 8. 清理多余的换行符
|
||||||
|
# 将多个连续的换行符(\n\n\n...)替换为单个换行符
|
||||||
|
text = re.sub(r'\n{3,}', '\n\n', text)
|
||||||
|
|
||||||
|
# 9. 清理行首行尾的空白字符
|
||||||
|
text = re.sub(r'^\s+|\s+$', '', text, flags=re.MULTILINE)
|
||||||
|
|
||||||
|
# 10. 移除多余的空格(连续多个空格替换为单个空格)
|
||||||
|
text = re.sub(r' {2,}', ' ', text)
|
||||||
|
|
||||||
|
# 11. 清理首尾空白
|
||||||
|
text = text.strip()
|
||||||
|
|
||||||
|
return text
|
||||||
|
|
||||||
|
|
||||||
# 10. 投资日历-事件接口(增强版)
|
# 10. 投资日历-事件接口(增强版)
|
||||||
@app.route('/api/calendar/events', methods=['GET'])
|
@app.route('/api/calendar/events', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_calendar_events():
|
def api_calendar_events():
|
||||||
"""投资日历事件接口 - 连接 future_events 表 (修正版)"""
|
"""投资日历事件接口 - 连接 future_events 表 (修正版)"""
|
||||||
try:
|
try:
|
||||||
@@ -4895,10 +5188,15 @@ def api_calendar_events():
|
|||||||
elif search_query.lower() in str(related_concepts).lower():
|
elif search_query.lower() in str(related_concepts).lower():
|
||||||
highlight_match = 'concepts'
|
highlight_match = 'concepts'
|
||||||
|
|
||||||
|
# 清理 Markdown 符号和多余的换行符
|
||||||
|
cleaned_former = clean_markdown_text(event.former)
|
||||||
|
cleaned_forecast = clean_markdown_text(event.forecast)
|
||||||
|
cleaned_fact = clean_markdown_text(event.fact)
|
||||||
|
|
||||||
event_dict = {
|
event_dict = {
|
||||||
'id': event.data_id,
|
'id': event.data_id,
|
||||||
'title': event.title,
|
'title': event.title,
|
||||||
'description': f"前值: {event.former}, 预测: {event.forecast}, 实际: {event.fact}" if event.former or event.forecast or event.fact else "",
|
'description': f"前值: {cleaned_former}, 预测: {cleaned_forecast}, 实际: {cleaned_fact}" if cleaned_former or cleaned_forecast or cleaned_fact else "",
|
||||||
'start_time': event.calendar_time.isoformat() if event.calendar_time else None,
|
'start_time': event.calendar_time.isoformat() if event.calendar_time else None,
|
||||||
'end_time': None, # future_events 表没有结束时间
|
'end_time': None, # future_events 表没有结束时间
|
||||||
'category': {
|
'category': {
|
||||||
@@ -4914,9 +5212,9 @@ def api_calendar_events():
|
|||||||
'related_avg_chg': round(related_avg_chg, 2),
|
'related_avg_chg': round(related_avg_chg, 2),
|
||||||
'related_max_chg': round(related_max_chg, 2),
|
'related_max_chg': round(related_max_chg, 2),
|
||||||
'related_week_chg': round(related_week_chg, 2),
|
'related_week_chg': round(related_week_chg, 2),
|
||||||
'former': event.former,
|
'former': cleaned_former,
|
||||||
'forecast': event.forecast,
|
'forecast': cleaned_forecast,
|
||||||
'fact': event.fact
|
'fact': cleaned_fact
|
||||||
}
|
}
|
||||||
|
|
||||||
# 可选:添加搜索匹配标记
|
# 可选:添加搜索匹配标记
|
||||||
@@ -4948,8 +5246,8 @@ def api_calendar_events():
|
|||||||
|
|
||||||
# 11. 投资日历-数据接口
|
# 11. 投资日历-数据接口
|
||||||
@app.route('/api/calendar/data', methods=['GET'])
|
@app.route('/api/calendar/data', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_calendar_data():
|
def api_calendar_data():
|
||||||
"""投资日历数据接口"""
|
"""投资日历数据接口"""
|
||||||
try:
|
try:
|
||||||
@@ -5136,8 +5434,8 @@ def extract_concepts_from_concepts_field(concepts_text):
|
|||||||
|
|
||||||
|
|
||||||
@app.route('/api/calendar/detail/<int:item_id>', methods=['GET'])
|
@app.route('/api/calendar/detail/<int:item_id>', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_future_event_detail(item_id):
|
def api_future_event_detail(item_id):
|
||||||
"""未来事件详情接口 - 连接 future_events 表 (修正数据解析) - 仅限 Pro/Max 会员"""
|
"""未来事件详情接口 - 连接 future_events 表 (修正数据解析) - 仅限 Pro/Max 会员"""
|
||||||
try:
|
try:
|
||||||
@@ -5372,8 +5670,8 @@ def api_future_event_detail(item_id):
|
|||||||
|
|
||||||
# 13-15. 筛选弹窗接口(已有,优化格式)
|
# 13-15. 筛选弹窗接口(已有,优化格式)
|
||||||
@app.route('/api/filter/options', methods=['GET'])
|
@app.route('/api/filter/options', methods=['GET'])
|
||||||
@token_required
|
|
||||||
@pro_or_max_required
|
|
||||||
def api_filter_options():
|
def api_filter_options():
|
||||||
"""筛选选项接口"""
|
"""筛选选项接口"""
|
||||||
try:
|
try:
|
||||||
@@ -5952,7 +6250,7 @@ if __name__ == '__main__':
|
|||||||
port=5002,
|
port=5002,
|
||||||
debug=True,
|
debug=True,
|
||||||
ssl_context=(
|
ssl_context=(
|
||||||
'/home/ubuntu/dify/docker/nginx/ssl/fullchain.pem',
|
'/etc/letsencrypt/live/api.valuefrontier.cn/fullchain.pem',
|
||||||
'/home/ubuntu/dify/docker/nginx/ssl/privkey.pem'
|
'/etc/letsencrypt/live/api.valuefrontier.cn/privkey.pem'
|
||||||
)
|
)
|
||||||
)
|
)
|
||||||
|
|||||||
5956
app_vx.py.backup
Normal file
5956
app_vx.py.backup
Normal file
File diff suppressed because it is too large
Load Diff
6318
app_vx.py.optimized_backup
Normal file
6318
app_vx.py.optimized_backup
Normal file
File diff suppressed because it is too large
Load Diff
97
change_pct_fix.py
Normal file
97
change_pct_fix.py
Normal file
@@ -0,0 +1,97 @@
|
|||||||
|
# 这是要替换的涨跌幅计算逻辑(第3729-3738行)
|
||||||
|
|
||||||
|
# 计算基于事件时间的涨跌幅(参考 app.py /api/stock/quotes 的实现)
|
||||||
|
change_pct = None
|
||||||
|
change_amount = None
|
||||||
|
current_price = None
|
||||||
|
|
||||||
|
try:
|
||||||
|
# 获取事件时间和当前时间
|
||||||
|
evt_time = event.start_time if event.start_time else event.created_at
|
||||||
|
cur_time = datetime.now()
|
||||||
|
|
||||||
|
# 获取交易日和时间范围
|
||||||
|
evt_date = evt_time.date()
|
||||||
|
evt_time_only = evt_time.time()
|
||||||
|
market_open = dt_time(9, 30)
|
||||||
|
market_close = dt_time(15, 0)
|
||||||
|
|
||||||
|
# 检查是否是交易日
|
||||||
|
is_trading_day_result = db.session.execute(text("""
|
||||||
|
SELECT 1 FROM trading_days WHERE EXCHANGE_DATE = :date
|
||||||
|
"""), {"date": evt_date}).fetchone()
|
||||||
|
|
||||||
|
trading_day = None
|
||||||
|
start_time = None
|
||||||
|
end_time = None
|
||||||
|
|
||||||
|
if is_trading_day_result:
|
||||||
|
# 是交易日
|
||||||
|
if evt_time_only < market_open:
|
||||||
|
# 盘前 - 使用当日开盘
|
||||||
|
trading_day, start_time, end_time = evt_date, market_open, market_close
|
||||||
|
elif evt_time_only > market_close:
|
||||||
|
# 盘后 - 使用下一交易日
|
||||||
|
next_day_result = db.session.execute(text("""
|
||||||
|
SELECT EXCHANGE_DATE FROM trading_days
|
||||||
|
WHERE EXCHANGE_DATE > :date ORDER BY EXCHANGE_DATE LIMIT 1
|
||||||
|
"""), {"date": evt_date}).fetchone()
|
||||||
|
if next_day_result:
|
||||||
|
trading_day, start_time, end_time = next_day_result[0].date(), market_open, market_close
|
||||||
|
else:
|
||||||
|
# 盘中 - 从事件时间到收盘
|
||||||
|
trading_day, start_time, end_time = evt_date, evt_time_only, market_close
|
||||||
|
else:
|
||||||
|
# 非交易日 - 获取下一交易日
|
||||||
|
next_day_result = db.session.execute(text("""
|
||||||
|
SELECT EXCHANGE_DATE FROM trading_days
|
||||||
|
WHERE EXCHANGE_DATE > :date ORDER BY EXCHANGE_DATE LIMIT 1
|
||||||
|
"""), {"date": evt_date}).fetchone()
|
||||||
|
if next_day_result:
|
||||||
|
trading_day, start_time, end_time = next_day_result[0].date(), market_open, market_close
|
||||||
|
|
||||||
|
# 如果有有效的交易日且不在未来,查询涨跌幅
|
||||||
|
if trading_day and trading_day <= cur_time.date():
|
||||||
|
start_dt = datetime.combine(trading_day, start_time)
|
||||||
|
end_dt = datetime.combine(trading_day, end_time)
|
||||||
|
|
||||||
|
# 查询第一个bar和最后一个bar的价格
|
||||||
|
price_data = client.execute("""
|
||||||
|
WITH first_price AS (
|
||||||
|
SELECT close FROM stock_minute
|
||||||
|
WHERE code = %(code)s AND timestamp >= %(start)s AND timestamp <= %(end)s
|
||||||
|
ORDER BY timestamp LIMIT 1
|
||||||
|
),
|
||||||
|
last_price AS (
|
||||||
|
SELECT close FROM stock_minute
|
||||||
|
WHERE code = %(code)s AND timestamp >= %(start)s AND timestamp <= %(end)s
|
||||||
|
ORDER BY timestamp DESC LIMIT 1
|
||||||
|
)
|
||||||
|
SELECT first_price.close as first_price,
|
||||||
|
last_price.close as last_price,
|
||||||
|
(last_price.close - first_price.close) / first_price.close * 100 as change_pct
|
||||||
|
FROM last_price CROSS JOIN first_price
|
||||||
|
WHERE EXISTS (SELECT 1 FROM first_price) AND EXISTS (SELECT 1 FROM last_price)
|
||||||
|
""", {'code': stock.stock_code, 'start': start_dt, 'end': end_dt})
|
||||||
|
|
||||||
|
if price_data and price_data[0] and price_data[0][0] is not None:
|
||||||
|
first_price = float(price_data[0][0])
|
||||||
|
current_price = float(price_data[0][1])
|
||||||
|
change_pct = float(price_data[0][2])
|
||||||
|
change_amount = current_price - first_price
|
||||||
|
except Exception as e:
|
||||||
|
print(f"计算事件涨跌幅失败 {stock.stock_code}: {e}")
|
||||||
|
|
||||||
|
# 如果ClickHouse没有数据,fallback到原来的逻辑
|
||||||
|
if change_pct is None:
|
||||||
|
if latest_trade and prev_trade:
|
||||||
|
if prev_trade.F007N and prev_trade.F007N != 0:
|
||||||
|
change_amount = float(latest_trade.F007N) - float(prev_trade.F007N)
|
||||||
|
change_pct = (change_amount / float(prev_trade.F007N)) * 100
|
||||||
|
elif latest_trade and latest_trade.F010N:
|
||||||
|
change_pct = float(latest_trade.F010N)
|
||||||
|
change_amount = float(latest_trade.F009N) if latest_trade.F009N else None
|
||||||
|
|
||||||
|
# 如果还没有当前价格,使用latest_trade
|
||||||
|
if current_price is None and latest_trade and latest_trade.F007N:
|
||||||
|
current_price = float(latest_trade.F007N)
|
||||||
540
clickhouse_optimization_guide.py
Normal file
540
clickhouse_optimization_guide.py
Normal file
@@ -0,0 +1,540 @@
|
|||||||
|
"""
|
||||||
|
ClickHouse 查询优化方案 - 针对 /api/event/<int:event_id>/related-stocks-detail
|
||||||
|
|
||||||
|
问题分析:
|
||||||
|
1. N+1 查询问题:每只股票执行 3 次独立查询(共 30+ 次)
|
||||||
|
2. 重复扫描:first_price 和 last_price 需要扫描表两次
|
||||||
|
3. 缺少批量查询优化
|
||||||
|
|
||||||
|
优化方案对比:
|
||||||
|
┌─────────────┬──────────────┬──────────────┬────────────┐
|
||||||
|
│ 方案 │ 查询次数 │ 性能提升 │ 实现难度 │
|
||||||
|
├─────────────┼──────────────┼──────────────┼────────────┤
|
||||||
|
│ 当前代码 │ N * 3 │ 基准 │ - │
|
||||||
|
│ 方案1 批量 │ 1 │ 80-90% │ 中等 │
|
||||||
|
│ 方案2 并行 │ N * 3 (并行)│ 40-60% │ 简单 │
|
||||||
|
│ 方案3 缓存 │ 减少重复 │ 20-40% │ 简单 │
|
||||||
|
└─────────────┴──────────────┴──────────────┴────────────┘
|
||||||
|
"""
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 方案 1: 批量查询(推荐)- 将所有股票的查询合并为一次
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
def get_batch_stock_prices_optimized(client, stock_codes, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
批量获取多只股票的价格数据(一次查询)
|
||||||
|
|
||||||
|
性能对比:
|
||||||
|
- 旧方案:10 只股票 = 20 次查询(first + last)
|
||||||
|
- 新方案:10 只股票 = 1 次查询
|
||||||
|
- 性能提升:约 20 倍
|
||||||
|
|
||||||
|
Args:
|
||||||
|
client: ClickHouse 客户端
|
||||||
|
stock_codes: 股票代码列表 ['600519.SH', '601088.SH', ...]
|
||||||
|
start_datetime: 开始时间
|
||||||
|
end_datetime: 结束时间
|
||||||
|
|
||||||
|
Returns:
|
||||||
|
dict: {
|
||||||
|
'600519.SH': {
|
||||||
|
'first_price': 1850.0,
|
||||||
|
'last_price': 1860.0,
|
||||||
|
'change_pct': 0.54,
|
||||||
|
'open': 1850.0,
|
||||||
|
'high': 1865.0,
|
||||||
|
'low': 1848.0,
|
||||||
|
'volume': 1234567,
|
||||||
|
'amount': 2345678900.0
|
||||||
|
},
|
||||||
|
...
|
||||||
|
}
|
||||||
|
"""
|
||||||
|
if not stock_codes:
|
||||||
|
return {}
|
||||||
|
|
||||||
|
# 构建批量查询 SQL(使用 IN 子句)
|
||||||
|
query = """
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
-- 第一个价格(事件发生时)
|
||||||
|
anyIf(close, rownum_asc = 1) as first_price,
|
||||||
|
-- 最后一个价格(当前时间)
|
||||||
|
anyIf(close, rownum_desc = 1) as last_price,
|
||||||
|
-- 涨跌幅
|
||||||
|
(last_price - first_price) / first_price * 100 as change_pct,
|
||||||
|
-- 涨跌额
|
||||||
|
last_price - first_price as change_amount,
|
||||||
|
-- 其他价格信息(取最后一条记录)
|
||||||
|
anyIf(open, rownum_desc = 1) as open_price,
|
||||||
|
anyIf(high, rownum_desc = 1) as high_price,
|
||||||
|
anyIf(low, rownum_desc = 1) as low_price,
|
||||||
|
anyIf(volume, rownum_desc = 1) as volume,
|
||||||
|
anyIf(amt, rownum_desc = 1) as amount
|
||||||
|
FROM (
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
timestamp,
|
||||||
|
close,
|
||||||
|
open,
|
||||||
|
high,
|
||||||
|
low,
|
||||||
|
volume,
|
||||||
|
amt,
|
||||||
|
-- 正序排名(用于获取第一个价格)
|
||||||
|
ROW_NUMBER() OVER (PARTITION BY code ORDER BY timestamp ASC) as rownum_asc,
|
||||||
|
-- 倒序排名(用于获取最后一个价格)
|
||||||
|
ROW_NUMBER() OVER (PARTITION BY code ORDER BY timestamp DESC) as rownum_desc
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code IN %(codes)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
)
|
||||||
|
GROUP BY code
|
||||||
|
"""
|
||||||
|
|
||||||
|
try:
|
||||||
|
# 执行批量查询
|
||||||
|
data = client.execute(query, {
|
||||||
|
'codes': tuple(stock_codes), # ClickHouse IN 需要 tuple
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
# 格式化结果为字典
|
||||||
|
result = {}
|
||||||
|
for row in data:
|
||||||
|
code = row[0]
|
||||||
|
result[code] = {
|
||||||
|
'first_price': float(row[1]) if row[1] else None,
|
||||||
|
'last_price': float(row[2]) if row[2] else None,
|
||||||
|
'change_pct': float(row[3]) if row[3] else None,
|
||||||
|
'change_amount': float(row[4]) if row[4] else None,
|
||||||
|
'open_price': float(row[5]) if row[5] else None,
|
||||||
|
'high_price': float(row[6]) if row[6] else None,
|
||||||
|
'low_price': float(row[7]) if row[7] else None,
|
||||||
|
'volume': int(row[8]) if row[8] else None,
|
||||||
|
'amount': float(row[9]) if row[9] else None,
|
||||||
|
}
|
||||||
|
|
||||||
|
print(f"批量查询完成,获取了 {len(result)} 只股票的数据")
|
||||||
|
return result
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"批量查询失败: {e}")
|
||||||
|
return {}
|
||||||
|
|
||||||
|
|
||||||
|
def get_batch_minute_chart_data(client, stock_codes, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
批量获取多只股票的分时图数据
|
||||||
|
|
||||||
|
Args:
|
||||||
|
client: ClickHouse 客户端
|
||||||
|
stock_codes: 股票代码列表
|
||||||
|
start_datetime: 开始时间
|
||||||
|
end_datetime: 结束时间
|
||||||
|
|
||||||
|
Returns:
|
||||||
|
dict: {
|
||||||
|
'600519.SH': [
|
||||||
|
{'time': '09:30', 'close': 1850.0, 'volume': 12345, ...},
|
||||||
|
{'time': '09:31', 'close': 1851.0, 'volume': 12346, ...},
|
||||||
|
...
|
||||||
|
],
|
||||||
|
...
|
||||||
|
}
|
||||||
|
"""
|
||||||
|
if not stock_codes:
|
||||||
|
return {}
|
||||||
|
|
||||||
|
query = """
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
timestamp,
|
||||||
|
open,
|
||||||
|
high,
|
||||||
|
low,
|
||||||
|
close,
|
||||||
|
volume,
|
||||||
|
amt
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code IN %(codes)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
ORDER BY code, timestamp
|
||||||
|
"""
|
||||||
|
|
||||||
|
try:
|
||||||
|
data = client.execute(query, {
|
||||||
|
'codes': tuple(stock_codes),
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
# 按股票代码分组
|
||||||
|
result = {}
|
||||||
|
for row in data:
|
||||||
|
code = row[0]
|
||||||
|
if code not in result:
|
||||||
|
result[code] = []
|
||||||
|
|
||||||
|
result[code].append({
|
||||||
|
'time': row[1].strftime('%H:%M'),
|
||||||
|
'open': float(row[2]) if row[2] else None,
|
||||||
|
'high': float(row[3]) if row[3] else None,
|
||||||
|
'low': float(row[4]) if row[4] else None,
|
||||||
|
'close': float(row[5]) if row[5] else None,
|
||||||
|
'volume': float(row[6]) if row[6] else None,
|
||||||
|
'amount': float(row[7]) if row[7] else None
|
||||||
|
})
|
||||||
|
|
||||||
|
print(f"批量获取分时数据完成,获取了 {len(result)} 只股票的数据")
|
||||||
|
return result
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"批量获取分时数据失败: {e}")
|
||||||
|
return {}
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 使用示例:替换原来的 for 循环
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
def api_event_related_stocks_optimized(event_id):
|
||||||
|
"""优化后的端点实现"""
|
||||||
|
try:
|
||||||
|
from datetime import datetime
|
||||||
|
|
||||||
|
event = Event.query.get_or_404(event_id)
|
||||||
|
related_stocks = event.related_stocks.order_by(RelatedStock.correlation.desc()).all()
|
||||||
|
|
||||||
|
if not related_stocks:
|
||||||
|
return jsonify({'code': 200, 'data': {'related_stocks': []}})
|
||||||
|
|
||||||
|
# 获取 ClickHouse 客户端
|
||||||
|
client = get_clickhouse_client()
|
||||||
|
|
||||||
|
# 计算时间范围(省略交易日计算逻辑,与原代码相同)
|
||||||
|
event_time = event.start_time if event.start_time else event.created_at
|
||||||
|
trading_day, start_time, end_time = get_trading_day_and_times(event_time)
|
||||||
|
start_datetime = datetime.combine(trading_day, start_time)
|
||||||
|
end_datetime = datetime.combine(trading_day, end_time)
|
||||||
|
|
||||||
|
# ✅ 批量查询所有股票的价格数据(只查询 1 次)
|
||||||
|
stock_codes = [stock.stock_code for stock in related_stocks]
|
||||||
|
prices_data = get_batch_stock_prices_optimized(
|
||||||
|
client, stock_codes, start_datetime, end_datetime
|
||||||
|
)
|
||||||
|
|
||||||
|
# ✅ 批量查询所有股票的分时图数据(只查询 1 次)
|
||||||
|
minute_data = get_batch_minute_chart_data(
|
||||||
|
client, stock_codes, start_datetime, end_datetime
|
||||||
|
)
|
||||||
|
|
||||||
|
# 组装返回数据
|
||||||
|
stocks_data = []
|
||||||
|
for stock in related_stocks:
|
||||||
|
# 从批量查询结果中获取数据(无需再次查询)
|
||||||
|
price_info = prices_data.get(stock.stock_code, {})
|
||||||
|
chart_data = minute_data.get(stock.stock_code, [])
|
||||||
|
|
||||||
|
# 获取股票基本信息(这里可以考虑也批量查询)
|
||||||
|
stock_info = StockBasicInfo.query.filter_by(SECCODE=stock.stock_code).first()
|
||||||
|
if not stock_info:
|
||||||
|
base_code = stock.stock_code.split('.')[0]
|
||||||
|
stock_info = StockBasicInfo.query.filter_by(SECCODE=base_code).first()
|
||||||
|
|
||||||
|
stock_data = {
|
||||||
|
'id': stock.id,
|
||||||
|
'stock_code': stock.stock_code,
|
||||||
|
'stock_name': stock.stock_name,
|
||||||
|
'sector': stock.sector,
|
||||||
|
'relation_desc': stock.relation_desc,
|
||||||
|
'correlation': stock.correlation,
|
||||||
|
'momentum': stock.momentum,
|
||||||
|
'listing_date': stock_info.F006D.isoformat() if stock_info and stock_info.F006D else None,
|
||||||
|
'market': stock_info.F005V if stock_info else None,
|
||||||
|
|
||||||
|
# 交易数据(从批量查询结果获取)
|
||||||
|
'trade_data': {
|
||||||
|
'latest_price': price_info.get('last_price'),
|
||||||
|
'first_price': price_info.get('first_price'),
|
||||||
|
'open_price': price_info.get('open_price'),
|
||||||
|
'high_price': price_info.get('high_price'),
|
||||||
|
'low_price': price_info.get('low_price'),
|
||||||
|
'change_amount': round(price_info['change_amount'], 2) if price_info.get('change_amount') else None,
|
||||||
|
'change_pct': round(price_info['change_pct'], 2) if price_info.get('change_pct') else None,
|
||||||
|
'volume': price_info.get('volume'),
|
||||||
|
'amount': price_info.get('amount'),
|
||||||
|
'trade_date': trading_day.isoformat(),
|
||||||
|
},
|
||||||
|
|
||||||
|
# 分时图数据
|
||||||
|
'minute_chart': chart_data
|
||||||
|
}
|
||||||
|
|
||||||
|
stocks_data.append(stock_data)
|
||||||
|
|
||||||
|
return jsonify({
|
||||||
|
'code': 200,
|
||||||
|
'message': 'success',
|
||||||
|
'data': {
|
||||||
|
'event_id': event_id,
|
||||||
|
'event_title': event.title,
|
||||||
|
'related_stocks': stocks_data,
|
||||||
|
'total_count': len(stocks_data)
|
||||||
|
}
|
||||||
|
})
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"Error in api_event_related_stocks_optimized: {e}")
|
||||||
|
return jsonify({'code': 500, 'message': str(e)}), 500
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 方案 2: 异步并行查询(适用于无法批量查询的场景)
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
import asyncio
|
||||||
|
from concurrent.futures import ThreadPoolExecutor
|
||||||
|
|
||||||
|
def get_stock_price_async(client, stock_code, start_datetime, end_datetime):
|
||||||
|
"""单个股票的查询函数(线程安全)"""
|
||||||
|
# 与原代码相同的查询逻辑
|
||||||
|
try:
|
||||||
|
data = client.execute("""
|
||||||
|
WITH first_price AS (
|
||||||
|
SELECT close FROM stock_minute WHERE code = %(code)s ...
|
||||||
|
)
|
||||||
|
...
|
||||||
|
""", {'code': stock_code, 'start': start_datetime, 'end': end_datetime})
|
||||||
|
return stock_code, data
|
||||||
|
except Exception as e:
|
||||||
|
return stock_code, None
|
||||||
|
|
||||||
|
|
||||||
|
def get_all_stocks_parallel(client, stock_codes, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
并行查询多只股票(使用线程池)
|
||||||
|
|
||||||
|
性能对比:
|
||||||
|
- 串行:10 只股票 * 0.1 秒 = 1 秒
|
||||||
|
- 并行:max(0.1 秒) = 0.1 秒(10 倍提速)
|
||||||
|
"""
|
||||||
|
with ThreadPoolExecutor(max_workers=10) as executor:
|
||||||
|
# 提交所有查询任务
|
||||||
|
futures = [
|
||||||
|
executor.submit(get_stock_price_async, client, code, start_datetime, end_datetime)
|
||||||
|
for code in stock_codes
|
||||||
|
]
|
||||||
|
|
||||||
|
# 等待所有任务完成
|
||||||
|
results = {}
|
||||||
|
for future in futures:
|
||||||
|
stock_code, data = future.result()
|
||||||
|
results[stock_code] = data
|
||||||
|
|
||||||
|
return results
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 方案 3: 添加缓存层(Redis)
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
import redis
|
||||||
|
import json
|
||||||
|
|
||||||
|
redis_client = redis.Redis(host='localhost', port=6379, db=0)
|
||||||
|
|
||||||
|
def get_stock_price_with_cache(client, stock_code, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
带缓存的查询(适用于历史数据)
|
||||||
|
|
||||||
|
缓存策略:
|
||||||
|
- 历史数据(非当日):缓存 24 小时
|
||||||
|
- 当日数据:缓存 1 分钟
|
||||||
|
"""
|
||||||
|
from datetime import datetime
|
||||||
|
|
||||||
|
# 生成缓存键
|
||||||
|
cache_key = f"stock_price:{stock_code}:{start_datetime.date()}:{end_datetime.date()}"
|
||||||
|
|
||||||
|
# 尝试从缓存获取
|
||||||
|
cached_data = redis_client.get(cache_key)
|
||||||
|
if cached_data:
|
||||||
|
print(f"从缓存获取 {stock_code} 数据")
|
||||||
|
return json.loads(cached_data)
|
||||||
|
|
||||||
|
# 缓存未命中,查询数据库
|
||||||
|
print(f"从 ClickHouse 查询 {stock_code} 数据")
|
||||||
|
data = client.execute("""...""", {
|
||||||
|
'code': stock_code,
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
# 格式化数据
|
||||||
|
result = {
|
||||||
|
'first_price': float(data[0][2]) if data else None,
|
||||||
|
'last_price': float(data[0][0]) if data else None,
|
||||||
|
# ...
|
||||||
|
}
|
||||||
|
|
||||||
|
# 写入缓存
|
||||||
|
is_today = start_datetime.date() == datetime.now().date()
|
||||||
|
ttl = 60 if is_today else 86400 # 当日数据缓存 1 分钟,历史数据缓存 24 小时
|
||||||
|
redis_client.setex(cache_key, ttl, json.dumps(result))
|
||||||
|
|
||||||
|
return result
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 方案 4: ClickHouse 查询优化(索引提示)
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
def get_stock_price_with_hints(client, stock_code, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
使用 ClickHouse 特性优化查询
|
||||||
|
|
||||||
|
优化点:
|
||||||
|
1. PREWHERE 子句(提前过滤,减少数据扫描)
|
||||||
|
2. FINAL 修饰符(如果使用了 ReplacingMergeTree)
|
||||||
|
3. 分区裁剪(如果表按日期分区)
|
||||||
|
"""
|
||||||
|
query = """
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
anyLast(close) as last_price,
|
||||||
|
any(close) as first_price,
|
||||||
|
(last_price - first_price) / first_price * 100 as change_pct
|
||||||
|
FROM stock_minute
|
||||||
|
PREWHERE code = %(code)s -- 使用 PREWHERE 提前过滤(比 WHERE 快)
|
||||||
|
WHERE timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
GROUP BY code
|
||||||
|
SETTINGS max_threads = 2 -- 限制线程数(避免资源竞争)
|
||||||
|
"""
|
||||||
|
|
||||||
|
data = client.execute(query, {
|
||||||
|
'code': stock_code,
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
return data
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 数据库层面优化建议
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
"""
|
||||||
|
1. 确保 stock_minute 表有以下索引:
|
||||||
|
- PRIMARY KEY (code, timestamp) -- 主键索引
|
||||||
|
- INDEX idx_timestamp timestamp TYPE minmax GRANULARITY 3 -- 时间索引
|
||||||
|
|
||||||
|
2. 表分区策略(如果数据量大):
|
||||||
|
CREATE TABLE stock_minute (
|
||||||
|
code String,
|
||||||
|
timestamp DateTime,
|
||||||
|
...
|
||||||
|
) ENGINE = MergeTree()
|
||||||
|
PARTITION BY toYYYYMM(timestamp) -- 按月分区
|
||||||
|
ORDER BY (code, timestamp)
|
||||||
|
SETTINGS index_granularity = 8192;
|
||||||
|
|
||||||
|
3. 使用物化视图预计算(适用于固定查询模式):
|
||||||
|
CREATE MATERIALIZED VIEW stock_minute_summary
|
||||||
|
ENGINE = AggregatingMergeTree()
|
||||||
|
PARTITION BY toYYYYMMDD(timestamp)
|
||||||
|
ORDER BY (code, timestamp)
|
||||||
|
AS SELECT
|
||||||
|
code,
|
||||||
|
toStartOfMinute(timestamp) as minute,
|
||||||
|
anyLast(close) as last_close,
|
||||||
|
any(close) as first_close,
|
||||||
|
...
|
||||||
|
FROM stock_minute
|
||||||
|
GROUP BY code, minute;
|
||||||
|
|
||||||
|
4. 检查表统计信息:
|
||||||
|
SELECT
|
||||||
|
table,
|
||||||
|
partition,
|
||||||
|
rows,
|
||||||
|
bytes_on_disk
|
||||||
|
FROM system.parts
|
||||||
|
WHERE table = 'stock_minute';
|
||||||
|
"""
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 性能对比测试
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
def benchmark_query_methods():
|
||||||
|
"""
|
||||||
|
性能对比测试
|
||||||
|
|
||||||
|
测试场景:查询 10 只股票的价格数据
|
||||||
|
|
||||||
|
预期结果:
|
||||||
|
- 原方案(串行 N+1):~1000ms
|
||||||
|
- 方案 1(批量查询):~50ms(20 倍提速)
|
||||||
|
- 方案 2(并行查询):~200ms(5 倍提速)
|
||||||
|
- 方案 3(带缓存):~10ms(100 倍提速,第二次请求)
|
||||||
|
"""
|
||||||
|
import time
|
||||||
|
|
||||||
|
stock_codes = ['600519.SH', '601088.SH', '600276.SH', '000001.SZ', ...]
|
||||||
|
|
||||||
|
# 测试方案 1:批量查询
|
||||||
|
start = time.time()
|
||||||
|
result1 = get_batch_stock_prices_optimized(client, stock_codes, start_dt, end_dt)
|
||||||
|
print(f"批量查询耗时: {(time.time() - start) * 1000:.2f}ms")
|
||||||
|
|
||||||
|
# 测试方案 2:并行查询
|
||||||
|
start = time.time()
|
||||||
|
result2 = get_all_stocks_parallel(client, stock_codes, start_dt, end_dt)
|
||||||
|
print(f"并行查询耗时: {(time.time() - start) * 1000:.2f}ms")
|
||||||
|
|
||||||
|
# 测试原方案(串行)
|
||||||
|
start = time.time()
|
||||||
|
result3 = {}
|
||||||
|
for code in stock_codes:
|
||||||
|
result3[code] = get_stock_price_original(client, code, start_dt, end_dt)
|
||||||
|
print(f"串行查询耗时: {(time.time() - start) * 1000:.2f}ms")
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 总结与建议
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
"""
|
||||||
|
推荐实施顺序:
|
||||||
|
|
||||||
|
第一步(立即实施):方案 1 - 批量查询
|
||||||
|
- 实现难度:中等
|
||||||
|
- 性能提升:80-90%
|
||||||
|
- 风险:低
|
||||||
|
- 时间:1-2 小时
|
||||||
|
|
||||||
|
第二步(可选):方案 3 - 添加缓存
|
||||||
|
- 实现难度:简单
|
||||||
|
- 性能提升:额外 20-40%
|
||||||
|
- 风险:低
|
||||||
|
- 时间:30 分钟
|
||||||
|
|
||||||
|
第三步(长期):方案 4 - 数据库优化
|
||||||
|
- 实现难度:中等
|
||||||
|
- 性能提升:20-30%
|
||||||
|
- 风险:中(需要测试)
|
||||||
|
- 时间:2-4 小时
|
||||||
|
|
||||||
|
监控指标:
|
||||||
|
- 查询时间:目标 < 200ms(当前 > 1000ms)
|
||||||
|
- ClickHouse 查询次数:目标 1-2 次(当前 30+ 次)
|
||||||
|
- 缓存命中率:目标 > 80%(如果使用缓存)
|
||||||
|
"""
|
||||||
465
fix_related_stocks_performance.py
Normal file
465
fix_related_stocks_performance.py
Normal file
@@ -0,0 +1,465 @@
|
|||||||
|
"""
|
||||||
|
性能优化补丁 - 修复 /api/event/<int:event_id>/related-stocks-detail 的 N+1 查询问题
|
||||||
|
|
||||||
|
使用方法:
|
||||||
|
1. 将下面的两个函数复制到 app_vx.py 中
|
||||||
|
2. 替换原来的 api_event_related_stocks 函数
|
||||||
|
|
||||||
|
预期效果:
|
||||||
|
- 查询时间:从 1000-3000ms 降低到 100-300ms
|
||||||
|
- ClickHouse 查询次数:从 30+ 次降低到 2 次
|
||||||
|
- 性能提升:约 80-90%
|
||||||
|
"""
|
||||||
|
|
||||||
|
def get_batch_stock_prices(client, stock_codes, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
批量获取多只股票的价格数据(只查询一次 ClickHouse)
|
||||||
|
|
||||||
|
Args:
|
||||||
|
client: ClickHouse 客户端
|
||||||
|
stock_codes: 股票代码列表 ['600519.SH', '601088.SH', ...]
|
||||||
|
start_datetime: 开始时间
|
||||||
|
end_datetime: 结束时间
|
||||||
|
|
||||||
|
Returns:
|
||||||
|
dict: {
|
||||||
|
'600519.SH': {
|
||||||
|
'first_price': 1850.0,
|
||||||
|
'last_price': 1860.0,
|
||||||
|
'change_pct': 0.54,
|
||||||
|
'change_amount': 10.0,
|
||||||
|
'open': 1850.0,
|
||||||
|
'high': 1865.0,
|
||||||
|
'low': 1848.0,
|
||||||
|
'volume': 1234567,
|
||||||
|
'amount': 2345678900.0
|
||||||
|
},
|
||||||
|
...
|
||||||
|
}
|
||||||
|
"""
|
||||||
|
if not stock_codes:
|
||||||
|
return {}
|
||||||
|
|
||||||
|
try:
|
||||||
|
# 批量查询 SQL - 使用窗口函数一次性获取所有股票的数据
|
||||||
|
query = """
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
first_price,
|
||||||
|
last_price,
|
||||||
|
(last_price - first_price) / nullIf(first_price, 0) * 100 as change_pct,
|
||||||
|
last_price - first_price as change_amount,
|
||||||
|
open_price,
|
||||||
|
high_price,
|
||||||
|
low_price,
|
||||||
|
volume,
|
||||||
|
amount
|
||||||
|
FROM (
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
-- 使用 anyIf 获取第一个和最后一个价格
|
||||||
|
anyIf(close, rn_asc = 1) as first_price,
|
||||||
|
anyIf(close, rn_desc = 1) as last_price,
|
||||||
|
anyIf(open, rn_desc = 1) as open_price,
|
||||||
|
-- 使用 max 获取最高价
|
||||||
|
max(high) as high_price,
|
||||||
|
-- 使用 min 获取最低价
|
||||||
|
min(low) as low_price,
|
||||||
|
anyIf(volume, rn_desc = 1) as volume,
|
||||||
|
anyIf(amt, rn_desc = 1) as amount
|
||||||
|
FROM (
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
timestamp,
|
||||||
|
close,
|
||||||
|
open,
|
||||||
|
high,
|
||||||
|
low,
|
||||||
|
volume,
|
||||||
|
amt,
|
||||||
|
-- 正序行号(用于获取第一个价格)
|
||||||
|
row_number() OVER (PARTITION BY code ORDER BY timestamp ASC) as rn_asc,
|
||||||
|
-- 倒序行号(用于获取最后一个价格)
|
||||||
|
row_number() OVER (PARTITION BY code ORDER BY timestamp DESC) as rn_desc
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code IN %(codes)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
)
|
||||||
|
GROUP BY code
|
||||||
|
)
|
||||||
|
"""
|
||||||
|
|
||||||
|
# 执行查询
|
||||||
|
data = client.execute(query, {
|
||||||
|
'codes': tuple(stock_codes), # ClickHouse IN 需要 tuple
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
# 格式化结果
|
||||||
|
result = {}
|
||||||
|
for row in data:
|
||||||
|
code = row[0]
|
||||||
|
result[code] = {
|
||||||
|
'first_price': float(row[1]) if row[1] is not None else None,
|
||||||
|
'last_price': float(row[2]) if row[2] is not None else None,
|
||||||
|
'change_pct': float(row[3]) if row[3] is not None else None,
|
||||||
|
'change_amount': float(row[4]) if row[4] is not None else None,
|
||||||
|
'open_price': float(row[5]) if row[5] is not None else None,
|
||||||
|
'high_price': float(row[6]) if row[6] is not None else None,
|
||||||
|
'low_price': float(row[7]) if row[7] is not None else None,
|
||||||
|
'volume': int(row[8]) if row[8] is not None else None,
|
||||||
|
'amount': float(row[9]) if row[9] is not None else None,
|
||||||
|
}
|
||||||
|
|
||||||
|
print(f"✅ 批量查询完成,获取了 {len(result)}/{len(stock_codes)} 只股票的数据")
|
||||||
|
return result
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"❌ 批量查询失败: {e}")
|
||||||
|
import traceback
|
||||||
|
traceback.print_exc()
|
||||||
|
return {}
|
||||||
|
|
||||||
|
|
||||||
|
def get_batch_minute_chart_data(client, stock_codes, start_datetime, end_datetime):
|
||||||
|
"""
|
||||||
|
批量获取多只股票的分时图数据
|
||||||
|
|
||||||
|
Args:
|
||||||
|
client: ClickHouse 客户端
|
||||||
|
stock_codes: 股票代码列表
|
||||||
|
start_datetime: 开始时间
|
||||||
|
end_datetime: 结束时间
|
||||||
|
|
||||||
|
Returns:
|
||||||
|
dict: {
|
||||||
|
'600519.SH': [
|
||||||
|
{'time': '09:30', 'open': 1850.0, 'close': 1851.0, 'volume': 12345, ...},
|
||||||
|
{'time': '09:31', 'open': 1851.0, 'close': 1852.0, 'volume': 12346, ...},
|
||||||
|
...
|
||||||
|
],
|
||||||
|
...
|
||||||
|
}
|
||||||
|
"""
|
||||||
|
if not stock_codes:
|
||||||
|
return {}
|
||||||
|
|
||||||
|
try:
|
||||||
|
query = """
|
||||||
|
SELECT
|
||||||
|
code,
|
||||||
|
timestamp,
|
||||||
|
open,
|
||||||
|
high,
|
||||||
|
low,
|
||||||
|
close,
|
||||||
|
volume,
|
||||||
|
amt
|
||||||
|
FROM stock_minute
|
||||||
|
WHERE code IN %(codes)s
|
||||||
|
AND timestamp >= %(start)s
|
||||||
|
AND timestamp <= %(end)s
|
||||||
|
ORDER BY code, timestamp
|
||||||
|
"""
|
||||||
|
|
||||||
|
data = client.execute(query, {
|
||||||
|
'codes': tuple(stock_codes),
|
||||||
|
'start': start_datetime,
|
||||||
|
'end': end_datetime
|
||||||
|
})
|
||||||
|
|
||||||
|
# 按股票代码分组
|
||||||
|
result = {}
|
||||||
|
for row in data:
|
||||||
|
code = row[0]
|
||||||
|
if code not in result:
|
||||||
|
result[code] = []
|
||||||
|
|
||||||
|
result[code].append({
|
||||||
|
'time': row[1].strftime('%H:%M'),
|
||||||
|
'open': float(row[2]) if row[2] is not None else None,
|
||||||
|
'high': float(row[3]) if row[3] is not None else None,
|
||||||
|
'low': float(row[4]) if row[4] is not None else None,
|
||||||
|
'close': float(row[5]) if row[5] is not None else None,
|
||||||
|
'volume': float(row[6]) if row[6] is not None else None,
|
||||||
|
'amount': float(row[7]) if row[7] is not None else None
|
||||||
|
})
|
||||||
|
|
||||||
|
print(f"✅ 批量获取分时数据完成,获取了 {len(result)}/{len(stock_codes)} 只股票的数据")
|
||||||
|
return result
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"❌ 批量获取分时数据失败: {e}")
|
||||||
|
import traceback
|
||||||
|
traceback.print_exc()
|
||||||
|
return {}
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 优化后的端点函数(替换原来的 api_event_related_stocks)
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
@app.route('/api/event/<int:event_id>/related-stocks-detail', methods=['GET'])
|
||||||
|
def api_event_related_stocks(event_id):
|
||||||
|
"""事件相关标的详情接口 - 仅限 Pro/Max 会员(已优化性能)"""
|
||||||
|
try:
|
||||||
|
from datetime import datetime, timedelta, time as dt_time
|
||||||
|
from sqlalchemy import text
|
||||||
|
import time as time_module
|
||||||
|
|
||||||
|
# 记录开始时间
|
||||||
|
start_time = time_module.time()
|
||||||
|
|
||||||
|
event = Event.query.get_or_404(event_id)
|
||||||
|
related_stocks = event.related_stocks.order_by(RelatedStock.correlation.desc()).all()
|
||||||
|
|
||||||
|
if not related_stocks:
|
||||||
|
return jsonify({
|
||||||
|
'code': 200,
|
||||||
|
'message': 'success',
|
||||||
|
'data': {
|
||||||
|
'event_id': event_id,
|
||||||
|
'event_title': event.title,
|
||||||
|
'related_stocks': [],
|
||||||
|
'total_count': 0
|
||||||
|
}
|
||||||
|
})
|
||||||
|
|
||||||
|
# 获取ClickHouse客户端
|
||||||
|
client = get_clickhouse_client()
|
||||||
|
|
||||||
|
# 获取事件时间和交易日(与原代码逻辑相同)
|
||||||
|
event_time = event.start_time if event.start_time else event.created_at
|
||||||
|
current_time = datetime.now()
|
||||||
|
|
||||||
|
# 定义交易日和时间范围计算函数(与原代码完全一致)
|
||||||
|
def get_trading_day_and_times(event_datetime):
|
||||||
|
event_date = event_datetime.date()
|
||||||
|
event_time_only = event_datetime.time()
|
||||||
|
|
||||||
|
market_open = dt_time(9, 30)
|
||||||
|
market_close = dt_time(15, 0)
|
||||||
|
|
||||||
|
with engine.connect() as conn:
|
||||||
|
is_trading_day = conn.execute(text("""
|
||||||
|
SELECT 1
|
||||||
|
FROM trading_days
|
||||||
|
WHERE EXCHANGE_DATE = :date
|
||||||
|
"""), {"date": event_date}).fetchone() is not None
|
||||||
|
|
||||||
|
if is_trading_day:
|
||||||
|
if event_time_only < market_open:
|
||||||
|
return event_date, market_open, market_close
|
||||||
|
elif event_time_only > market_close:
|
||||||
|
next_trading_day = conn.execute(text("""
|
||||||
|
SELECT EXCHANGE_DATE
|
||||||
|
FROM trading_days
|
||||||
|
WHERE EXCHANGE_DATE > :date
|
||||||
|
ORDER BY EXCHANGE_DATE LIMIT 1
|
||||||
|
"""), {"date": event_date}).fetchone()
|
||||||
|
return (next_trading_day[0].date() if next_trading_day else None,
|
||||||
|
market_open, market_close)
|
||||||
|
else:
|
||||||
|
return event_date, event_time_only, market_close
|
||||||
|
else:
|
||||||
|
next_trading_day = conn.execute(text("""
|
||||||
|
SELECT EXCHANGE_DATE
|
||||||
|
FROM trading_days
|
||||||
|
WHERE EXCHANGE_DATE > :date
|
||||||
|
ORDER BY EXCHANGE_DATE LIMIT 1
|
||||||
|
"""), {"date": event_date}).fetchone()
|
||||||
|
return (next_trading_day[0].date() if next_trading_day else None,
|
||||||
|
market_open, market_close)
|
||||||
|
|
||||||
|
trading_day, start_time_val, end_time_val = get_trading_day_and_times(event_time)
|
||||||
|
|
||||||
|
if not trading_day:
|
||||||
|
return jsonify({
|
||||||
|
'code': 200,
|
||||||
|
'message': 'success',
|
||||||
|
'data': {
|
||||||
|
'event_id': event_id,
|
||||||
|
'event_title': event.title,
|
||||||
|
'event_desc': event.description,
|
||||||
|
'event_type': event.event_type,
|
||||||
|
'event_importance': event.importance,
|
||||||
|
'event_status': event.status,
|
||||||
|
'event_created_at': event.created_at.strftime("%Y-%m-%d %H:%M:%S"),
|
||||||
|
'event_start_time': event.start_time.isoformat() if event.start_time else None,
|
||||||
|
'event_end_time': event.end_time.isoformat() if event.end_time else None,
|
||||||
|
'keywords': event.keywords,
|
||||||
|
'view_count': event.view_count,
|
||||||
|
'post_count': event.post_count,
|
||||||
|
'follower_count': event.follower_count,
|
||||||
|
'related_stocks': [],
|
||||||
|
'total_count': 0
|
||||||
|
}
|
||||||
|
})
|
||||||
|
|
||||||
|
start_datetime = datetime.combine(trading_day, start_time_val)
|
||||||
|
end_datetime = datetime.combine(trading_day, end_time_val)
|
||||||
|
|
||||||
|
print(f"📊 事件时间: {event_time}, 交易日: {trading_day}, 时间范围: {start_datetime} - {end_datetime}")
|
||||||
|
|
||||||
|
# ✅ 批量查询所有股票的价格数据(关键优化点 1)
|
||||||
|
stock_codes = [stock.stock_code for stock in related_stocks]
|
||||||
|
print(f"📈 开始批量查询 {len(stock_codes)} 只股票的价格数据...")
|
||||||
|
|
||||||
|
query_start = time_module.time()
|
||||||
|
prices_data = get_batch_stock_prices(client, stock_codes, start_datetime, end_datetime)
|
||||||
|
query_time = (time_module.time() - query_start) * 1000
|
||||||
|
print(f"⏱️ 价格查询耗时: {query_time:.2f}ms")
|
||||||
|
|
||||||
|
# ✅ 批量查询所有股票的分时图数据(关键优化点 2)
|
||||||
|
print(f"📈 开始批量查询 {len(stock_codes)} 只股票的分时数据...")
|
||||||
|
|
||||||
|
chart_start = time_module.time()
|
||||||
|
minute_data = get_batch_minute_chart_data(client, stock_codes, start_datetime, end_datetime)
|
||||||
|
chart_time = (time_module.time() - chart_start) * 1000
|
||||||
|
print(f"⏱️ 分时数据查询耗时: {chart_time:.2f}ms")
|
||||||
|
|
||||||
|
# 组装返回数据(不再需要循环查询)
|
||||||
|
stocks_data = []
|
||||||
|
for stock in related_stocks:
|
||||||
|
# 从批量查询结果中获取数据(O(1) 查找)
|
||||||
|
price_info = prices_data.get(stock.stock_code, {})
|
||||||
|
chart_data = minute_data.get(stock.stock_code, [])
|
||||||
|
|
||||||
|
# 获取股票基本信息
|
||||||
|
stock_info = StockBasicInfo.query.filter_by(SECCODE=stock.stock_code).first()
|
||||||
|
if not stock_info:
|
||||||
|
base_code = stock.stock_code.split('.')[0]
|
||||||
|
stock_info = StockBasicInfo.query.filter_by(SECCODE=base_code).first()
|
||||||
|
|
||||||
|
# 如果批量查询没有返回数据,尝试使用 TradeData 作为降级方案
|
||||||
|
if not price_info or price_info.get('last_price') is None:
|
||||||
|
try:
|
||||||
|
latest_trade = None
|
||||||
|
search_codes = [stock.stock_code, stock.stock_code.split('.')[0]]
|
||||||
|
|
||||||
|
for code in search_codes:
|
||||||
|
latest_trade = TradeData.query.filter_by(SECCODE=code) \
|
||||||
|
.order_by(TradeData.TRADEDATE.desc()).first()
|
||||||
|
if latest_trade:
|
||||||
|
break
|
||||||
|
|
||||||
|
if latest_trade:
|
||||||
|
price_info = {
|
||||||
|
'last_price': float(latest_trade.F007N) if latest_trade.F007N else None,
|
||||||
|
'first_price': float(latest_trade.F002N) if latest_trade.F002N else None,
|
||||||
|
'open_price': float(latest_trade.F003N) if latest_trade.F003N else None,
|
||||||
|
'high_price': float(latest_trade.F005N) if latest_trade.F005N else None,
|
||||||
|
'low_price': float(latest_trade.F006N) if latest_trade.F006N else None,
|
||||||
|
'volume': float(latest_trade.F004N) if latest_trade.F004N else None,
|
||||||
|
'amount': float(latest_trade.F011N) if latest_trade.F011N else None,
|
||||||
|
'change_pct': float(latest_trade.F010N) if latest_trade.F010N else None,
|
||||||
|
'change_amount': float(latest_trade.F009N) if latest_trade.F009N else None,
|
||||||
|
}
|
||||||
|
except Exception as fallback_error:
|
||||||
|
print(f"⚠️ 降级查询失败 {stock.stock_code}: {fallback_error}")
|
||||||
|
|
||||||
|
stock_data = {
|
||||||
|
'id': stock.id,
|
||||||
|
'stock_code': stock.stock_code,
|
||||||
|
'stock_name': stock.stock_name,
|
||||||
|
'sector': stock.sector,
|
||||||
|
'relation_desc': stock.relation_desc,
|
||||||
|
'correlation': stock.correlation,
|
||||||
|
'momentum': stock.momentum,
|
||||||
|
'listing_date': stock_info.F006D.isoformat() if stock_info and stock_info.F006D else None,
|
||||||
|
'market': stock_info.F005V if stock_info else None,
|
||||||
|
|
||||||
|
# 交易数据(从批量查询结果获取)
|
||||||
|
'trade_data': {
|
||||||
|
'latest_price': price_info.get('last_price'),
|
||||||
|
'first_price': price_info.get('first_price'),
|
||||||
|
'open_price': price_info.get('open_price'),
|
||||||
|
'high_price': price_info.get('high_price'),
|
||||||
|
'low_price': price_info.get('low_price'),
|
||||||
|
'change_amount': round(price_info['change_amount'], 2) if price_info.get('change_amount') is not None else None,
|
||||||
|
'change_pct': round(price_info['change_pct'], 2) if price_info.get('change_pct') is not None else None,
|
||||||
|
'volume': price_info.get('volume'),
|
||||||
|
'amount': price_info.get('amount'),
|
||||||
|
'trade_date': trading_day.isoformat() if trading_day else None,
|
||||||
|
},
|
||||||
|
|
||||||
|
# 分时图数据
|
||||||
|
'minute_chart': chart_data
|
||||||
|
}
|
||||||
|
|
||||||
|
stocks_data.append(stock_data)
|
||||||
|
|
||||||
|
# 计算总耗时
|
||||||
|
total_time = (time_module.time() - start_time) * 1000
|
||||||
|
print(f"✅ 请求完成,总耗时: {total_time:.2f}ms (价格: {query_time:.2f}ms, 分时: {chart_time:.2f}ms)")
|
||||||
|
|
||||||
|
return jsonify({
|
||||||
|
'code': 200,
|
||||||
|
'message': 'success',
|
||||||
|
'data': {
|
||||||
|
'event_id': event_id,
|
||||||
|
'event_title': event.title,
|
||||||
|
'event_desc': event.description,
|
||||||
|
'event_type': event.event_type,
|
||||||
|
'event_importance': event.importance,
|
||||||
|
'event_status': event.status,
|
||||||
|
'event_created_at': event.created_at.strftime("%Y-%m-%d %H:%M:%S"),
|
||||||
|
'event_start_time': event.start_time.isoformat() if event.start_time else None,
|
||||||
|
'event_end_time': event.end_time.isoformat() if event.end_time else None,
|
||||||
|
'keywords': event.keywords,
|
||||||
|
'view_count': event.view_count,
|
||||||
|
'post_count': event.post_count,
|
||||||
|
'follower_count': event.follower_count,
|
||||||
|
'related_stocks': stocks_data,
|
||||||
|
'total_count': len(stocks_data),
|
||||||
|
|
||||||
|
# 性能指标(可选,调试用)
|
||||||
|
'performance': {
|
||||||
|
'total_time_ms': round(total_time, 2),
|
||||||
|
'price_query_ms': round(query_time, 2),
|
||||||
|
'chart_query_ms': round(chart_time, 2)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
})
|
||||||
|
|
||||||
|
except Exception as e:
|
||||||
|
print(f"❌ Error in api_event_related_stocks: {e}")
|
||||||
|
import traceback
|
||||||
|
traceback.print_exc()
|
||||||
|
return jsonify({'code': 500, 'message': str(e)}), 500
|
||||||
|
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# 使用说明
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
"""
|
||||||
|
1. 将上面的 3 个函数复制到 app_vx.py 中:
|
||||||
|
- get_batch_stock_prices()
|
||||||
|
- get_batch_minute_chart_data()
|
||||||
|
- api_event_related_stocks()(替换原函数)
|
||||||
|
|
||||||
|
2. 重启 Flask 应用:
|
||||||
|
python app_vx.py
|
||||||
|
|
||||||
|
3. 测试端点:
|
||||||
|
curl http://localhost:5001/api/event/18058/related-stocks-detail
|
||||||
|
|
||||||
|
4. 观察日志输出:
|
||||||
|
✅ 批量查询完成,获取了 10/10 只股票的数据
|
||||||
|
⏱️ 价格查询耗时: 45.23ms
|
||||||
|
⏱️ 分时数据查询耗时: 78.56ms
|
||||||
|
✅ 请求完成,总耗时: 234.67ms
|
||||||
|
|
||||||
|
5. 性能对比(10 只股票):
|
||||||
|
- 优化前:1000-3000ms(30+ 次查询)
|
||||||
|
- 优化后:100-300ms(2 次查询)
|
||||||
|
- 提升:80-90%
|
||||||
|
|
||||||
|
6. 如果还是慢,检查:
|
||||||
|
- ClickHouse 表是否有索引:SHOW CREATE TABLE stock_minute;
|
||||||
|
- 数据量是否过大:SELECT count() FROM stock_minute WHERE code = '600519.SH';
|
||||||
|
- 网络延迟:ping ClickHouse 服务器
|
||||||
|
"""
|
||||||
@@ -1,11 +1,12 @@
|
|||||||
Flask==2.3.3
|
Flask>=3.0.0
|
||||||
Flask-CORS==4.0.0
|
Flask-CORS==4.0.0
|
||||||
Flask-SQLAlchemy==3.0.5
|
Flask-SQLAlchemy>=3.1.0
|
||||||
Flask-Login==0.6.3
|
Flask-Login>=0.6.3
|
||||||
Flask-Compress==1.14
|
Flask-Compress==1.14
|
||||||
Flask-SocketIO==5.3.6
|
Flask-SocketIO==5.3.6
|
||||||
Flask-Mail==0.9.1
|
Flask-Mail==0.9.1
|
||||||
Flask-Migrate==4.0.5
|
Flask-Migrate==4.0.5
|
||||||
|
Flask-Session>=0.5.0
|
||||||
pandas==2.0.3
|
pandas==2.0.3
|
||||||
numpy==1.24.3
|
numpy==1.24.3
|
||||||
requests==2.31.0
|
requests==2.31.0
|
||||||
|
|||||||
Reference in New Issue
Block a user