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create/README.md
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create/README.md
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以下是我的工程目录组织。
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```
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.
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├── LICENSE
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├── README.md
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├── create
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│ └── create.py
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├── docker-compose.yaml
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├── infra
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│ └── postgres
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│ ├── scripts
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│ │ └── db-lanuch-entrypoint.sh
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│ └── sql
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│ ├── 01_uuid_v7_setup.sql
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│ ├── 02_create_function.sql
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│ └── 03_create_table.sql
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└── services
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└── cn_futures_trading_records
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├── README.md
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├── dev.sh
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└── src
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├── Dockerfile
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├── crud
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│ └── create.go
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├── go.mod
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├── go.sum
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├── infra
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│ ├── launch.go
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│ ├── logger.go
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│ └── postgres.go
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├── main.go
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└── model
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└── payload.go
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```
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以下是 03_create_table.sql 的内容：
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```sql
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-- =========================================================
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-- table.sql (PostgreSQL 17.4+)
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-- =========================================================
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\pset pager off
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\timing on
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\c postgres;
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CREATE EXTENSION IF NOT EXISTS "moddatetime" SCHEMA public;
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DO $$
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BEGIN
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RAISE NOTICE '🚀============ 数据库表部署开始 ============🚀';
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END $$;
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-- create table logic
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DO $$
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BEGIN
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RAISE NOTICE '============ 数据库表部署完成 ============';
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END $$;
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```
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我需要你帮我在/create/create.py 中实现一下逻辑：
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1、定义一个变量参数，方便我调整表名称。
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2、通过我定义的表名称把一下的替换以下的 `tabe_name`关键字。
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```sql
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1
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FROM information_schema.tables
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WHERE table_schema = 'public'
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AND table_name = 'tabe_name'
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) THEN
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CREATE TABLE tabe_name (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY, -- id
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payload JSONB NOT NULL, -- 数据
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deleted BOOLEAN NOT NULL DEFAULT FALSE, -- 删除状态
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP, -- 记录创建时间
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP -- 记录修改时间
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);
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-- 3 触发器：自动刷新 updated_at
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CREATE TRIGGER trg_tabe_name_at
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BEFORE UPDATE ON tabe_name
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FOR EACH ROW
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EXECUTE FUNCTION moddatetime(updated_at);
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RAISE NOTICE 'tabe_name 表已创建';
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ELSE
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RAISE NOTICE 'tabe_name 表已存在，跳过';
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END IF;
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END $$;
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```
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3、拿到2中的处理结果，写入 03_create_table.sql 中，写入规则为则追加到""部署完成"日志上面。
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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create.py - 动态生成PostgreSQL建表SQL语句
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"""
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import os
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import re
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# 1. 定义表名称变量，方便调整
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table_name = "cn_futures_trading_records" # 可以根据需要修改表名
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# 2. 定义SQL模板
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sql_template = f"""DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1
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FROM information_schema.tables
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WHERE table_schema = 'public'
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AND table_name = '{table_name}'
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) THEN
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CREATE TABLE {table_name} (
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id UUID DEFAULT gen_random_uuid() PRIMARY KEY, -- id
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payload JSONB NOT NULL, -- 数据
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deleted BOOLEAN NOT NULL DEFAULT FALSE, -- 删除状态
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created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP, -- 记录创建时间
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updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP -- 记录修改时间
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);
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-- 3 触发器：自动刷新 updated_at
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CREATE TRIGGER trg_{table_name}_at
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BEFORE UPDATE ON {table_name}
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FOR EACH ROW
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EXECUTE FUNCTION moddatetime(updated_at);
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RAISE NOTICE '{table_name} 表已创建';
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ELSE
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RAISE NOTICE '{table_name} 表已存在，跳过';
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END IF;
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END $$;"""
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def update_sql_file():
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"""将生成的SQL语句追加到03_create_table.sql文件中"""
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# 定义文件路径
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sql_file_path = os.path.join(
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os.path.dirname(os.path.dirname(__file__)),
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'infra',
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'postgres',
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'sql',
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'03_create_table.sql'
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)
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try:
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# 读取现有文件内容
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with open(sql_file_path, 'r', encoding='utf-8') as f:
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content = f.read()
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# 查找插入位置（在\"部署完成\"日志前）
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insert_pattern = r'(DO \$\$.*?RAISE NOTICE \'🚀============ 数据库表部署开始 ============🚀\'.*?END \$\$;)(.*?)(DO \$\$.*?RAISE NOTICE \'============ 数据库表部署完成 ============\'.*?END \$\$;)'
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match = re.search(insert_pattern, content, re.DOTALL)
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if match:
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# 分割内容
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before_insert = match.group(1)
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existing_middle = match.group(2)
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after_insert = match.group(3)
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# 组合新内容
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new_content = f"""{before_insert}\n\n{sql_template}\n{existing_middle}\n{after_insert}"""
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# 写回文件
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with open(sql_file_path, 'w', encoding='utf-8') as f:
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f.write(new_content)
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print(f"✅ 成功更新 {sql_file_path}")
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print(f"📋 生成的表名: {table_name}")
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print(f"📝 SQL内容已追加到文件中")
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else:
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print("❌ 无法找到插入位置，请检查文件格式")
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except FileNotFoundError:
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print(f"❌ 文件 {sql_file_path} 不存在")
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except Exception as e:
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print(f"❌ 处理文件时出错: {e}")
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if __name__ == "__main__":
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print(f"🚀 开始生成表 '{table_name}' 的SQL语句...")
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update_sql_file()
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45
create/create.sh
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45
create/create.sh
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#!/bin/bash
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# create.sh - 启动Python容器执行create.py脚本
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set -e # 遇到错误立即退出
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echo "🚀 启动Python容器执行create.py..."
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# 获取脚本所在目录的绝对路径
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
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# 容器名称
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CONTAINER_NAME="python-create-runner"
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# 检查是否已存在同名容器，如果存在则删除
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if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
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echo "🧹 清理已存在的容器 ${CONTAINER_NAME}..."
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docker rm -f "${CONTAINER_NAME}" >/dev/null 2>&1
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fi
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# 运行Python容器
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echo "📦 启动Python容器..."
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docker run --rm \
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--name "${CONTAINER_NAME}" \
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-v "${SCRIPT_DIR}:/app/create" \
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-v "${PROJECT_ROOT}/infra/postgres/sql:/app/infra/postgres/sql" \
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-w /app \
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python:3.13.7-alpine3.22 \
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bash -c "
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echo '📋 容器内环境信息:'
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python --version
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echo ''
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echo '🔧 安装依赖（如果需要）...'
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pip install --quiet --no-cache-dir psycopg2-binary >/dev/null 2>&1 || true
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echo '⚙️ 执行 create.py...'
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python create/create.py
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echo ''
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echo '✅ 执行完成!'
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"
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echo ""
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echo "🎉 create.sh 执行完成!"
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@@ -1,5 +1,5 @@
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-- =========================================================
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-- trading_records.sql (PostgreSQL 17.4+)
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-- table.sql (PostgreSQL 17.4+)
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-- =========================================================
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\pset pager off
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\timing on
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Reference in New Issue
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