get db schema

This commit is contained in:
2025-03-11 17:54:57 +08:00
parent b53fe1b6b0
commit 56b1844889
15 changed files with 302 additions and 2233 deletions

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// 检查ClickHouse数据库结构的脚本
const { createClient } = require('@clickhouse/client');
const dotenv = require('dotenv');
const path = require('path');
const fs = require('fs');
// 加载环境变量
dotenv.config({ path: path.resolve(__dirname, '../../.env') });
// 定义输出目录
const DB_REPORTS_DIR = '/Users/liam/code/promote/backend/db-reports';
// 获取ClickHouse配置
const clickhouseHost = process.env.CLICKHOUSE_HOST || 'localhost';
const clickhousePort = process.env.CLICKHOUSE_PORT || '8123';
const clickhouseUser = process.env.CLICKHOUSE_USER || 'default';
const clickhousePassword = process.env.CLICKHOUSE_PASSWORD || '';
const clickhouseDatabase = process.env.CLICKHOUSE_DATABASE || 'default';
console.log('ClickHouse配置:');
console.log(` - 主机: ${clickhouseHost}`);
console.log(` - 端口: ${clickhousePort}`);
console.log(` - 用户: ${clickhouseUser}`);
console.log(` - 数据库: ${clickhouseDatabase}`);
// 创建ClickHouse客户端 - 使用0.2.10版本的API
const client = createClient({
url: `http://${clickhouseHost}:${clickhousePort}`,
username: clickhouseUser,
password: clickhousePassword,
database: clickhouseDatabase
});
// 获取所有表
async function getAllTables() {
console.log('\n获取所有表...');
try {
const query = `
SELECT name
FROM system.tables
WHERE database = '${clickhouseDatabase}'
`;
const resultSet = await client.query({
query,
format: 'JSONEachRow'
});
const tables = await resultSet.json();
if (!tables || tables.length === 0) {
console.log(`数据库 ${clickhouseDatabase} 中没有找到任何表`);
return null;
}
console.log(`数据库 ${clickhouseDatabase} 中找到以下表:`);
tables.forEach(table => {
console.log(` - ${table.name}`);
});
return tables.map(table => table.name);
} catch (error) {
console.error('获取所有表时出错:', error);
return null;
}
}
// 获取表结构
async function getTableSchema(tableName) {
console.log(`\n获取表 ${tableName} 的结构...`);
try {
const query = `
DESCRIBE TABLE ${clickhouseDatabase}.${tableName}
`;
const resultSet = await client.query({
query,
format: 'JSONEachRow'
});
const columns = await resultSet.json();
if (!columns || columns.length === 0) {
console.log(`${tableName} 不存在或没有列`);
return null;
}
console.log(`${tableName} 的列:`);
columns.forEach(column => {
console.log(` - ${column.name} (${column.type}, ${column.default_type === '' ? '无默认值' : `默认值: ${column.default_expression}`})`);
});
return columns;
} catch (error) {
console.error(`获取表 ${tableName} 结构时出错:`, error);
return null;
}
}
// 获取表数据示例
async function getTableDataSample(tableName, limit = 5) {
console.log(`\n获取表 ${tableName} 的数据示例 (最多 ${limit} 行)...`);
try {
const query = `
SELECT *
FROM ${clickhouseDatabase}.${tableName}
LIMIT ${limit}
`;
const resultSet = await client.query({
query,
format: 'JSONEachRow'
});
const rows = await resultSet.json();
if (!rows || rows.length === 0) {
console.log(`${tableName} 中没有数据`);
return null;
}
console.log(`${tableName} 的数据示例:`);
rows.forEach((row, index) => {
console.log(`${index + 1}:`);
Object.entries(row).forEach(([key, value]) => {
console.log(` ${key}: ${value}`);
});
});
return rows;
} catch (error) {
console.error(`获取表 ${tableName} 数据示例时出错:`, error);
return null;
}
}
// 主函数
async function main() {
let outputBuffer = '';
const originalConsoleLog = console.log;
// 重定向console.log到buffer和控制台
console.log = function() {
// 调用原始的console.log
originalConsoleLog.apply(console, arguments);
// 写入到buffer
outputBuffer += Array.from(arguments).join(' ') + '\n';
};
try {
// 获取所有表
const tables = await getAllTables();
if (!tables) {
console.error('无法获取表列表');
process.exit(1);
}
console.log('\n所有ClickHouse表:');
console.log(tables.join(', '));
// 获取每个表的结构,但不获取数据示例
for (const tableName of tables) {
await getTableSchema(tableName);
// 移除数据示例检查
// await getTableDataSample(tableName);
}
console.log('\nClickHouse数据库结构检查完成');
// 保存输出到指定目录
const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
// 确保目录存在
if (!fs.existsSync(DB_REPORTS_DIR)) {
fs.mkdirSync(DB_REPORTS_DIR, { recursive: true });
}
const outputPath = path.join(DB_REPORTS_DIR, `clickhouse-schema-${timestamp}.log`);
fs.writeFileSync(outputPath, outputBuffer);
originalConsoleLog(`结果已保存到: ${outputPath}`);
} catch (error) {
console.error('检查ClickHouse数据库结构时出错:', error);
} finally {
// 恢复原始的console.log
console.log = originalConsoleLog;
// 关闭客户端连接
await client.close();
}
}
// 导出函数
module.exports = {
getAllTables,
getTableSchema,
getTableDataSample,
main
};
// 如果直接运行此脚本则执行main函数
if (require.main === module) {
main().catch(error => {
console.error('运行脚本时出错:', error);
process.exit(1);
});
}

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// 检查数据库结构的脚本
const { Client } = require('pg');
const dotenv = require('dotenv');
const path = require('path');
const fs = require('fs');
// 加载环境变量
dotenv.config({ path: path.resolve(__dirname, '../../.env') });
// 获取数据库连接字符串
const databaseUrl = process.env.DATABASE_URL;
if (!databaseUrl) {
console.error('缺少数据库连接字符串。请确保.env文件中包含DATABASE_URL');
process.exit(1);
}
// 定义输出目录
const DB_REPORTS_DIR = '/Users/liam/code/promote/backend/db-reports';
// 连接数据库
async function connect() {
console.log('使用PostgreSQL连接字符串连接数据库...');
// 创建PostgreSQL客户端
const client = new Client({
connectionString: databaseUrl,
});
try {
await client.connect();
console.log('成功连接到数据库');
return client;
} catch (error) {
console.error('连接数据库失败:', error);
throw error;
}
}
// 断开数据库连接
async function disconnect(client) {
try {
await client.end();
console.log('已断开数据库连接');
} catch (error) {
console.error('断开数据库连接失败:', error);
}
}
// 获取所有表
async function getAllTables(client) {
console.log('\n获取所有表...');
try {
const query = `
SELECT table_name
FROM information_schema.tables
WHERE table_schema = 'public'
ORDER BY table_name;
`;
const result = await client.query(query);
if (!result.rows || result.rows.length === 0) {
console.log('没有找到任何表');
return null;
}
console.log('找到以下表:');
result.rows.forEach(row => {
console.log(` - ${row.table_name}`);
});
return result.rows.map(row => row.table_name);
} catch (error) {
console.error('获取所有表时出错:', error);
return null;
}
}
// 获取表结构
async function getTableSchema(client, tableName) {
console.log(`\n获取表 ${tableName} 的结构...`);
try {
const query = `
SELECT
column_name,
data_type,
is_nullable,
column_default
FROM
information_schema.columns
WHERE
table_schema = 'public' AND
table_name = $1
ORDER BY
ordinal_position;
`;
const result = await client.query(query, [tableName]);
if (!result.rows || result.rows.length === 0) {
console.log(`${tableName} 不存在或没有列`);
return null;
}
console.log(`${tableName} 的列:`);
result.rows.forEach(column => {
console.log(` - ${column.column_name} (${column.data_type}, ${column.is_nullable === 'YES' ? '可为空' : '不可为空'}, 默认值: ${column.column_default || 'NULL'})`);
});
return result.rows;
} catch (error) {
console.error(`获取表 ${tableName} 结构时出错:`, error);
return null;
}
}
// 获取表数据示例
async function getTableDataSample(client, tableName, limit = 5) {
console.log(`\n获取表 ${tableName} 的数据示例 (最多 ${limit} 行)...`);
try {
const query = `
SELECT *
FROM "${tableName}"
LIMIT $1;
`;
const result = await client.query(query, [limit]);
if (!result.rows || result.rows.length === 0) {
console.log(`${tableName} 中没有数据`);
return null;
}
console.log(`${tableName} 的数据示例:`);
result.rows.forEach((row, index) => {
console.log(`${index + 1}:`);
Object.entries(row).forEach(([key, value]) => {
console.log(` ${key}: ${value}`);
});
});
return result.rows;
} catch (error) {
console.error(`获取表 ${tableName} 数据示例时出错:`, error);
return null;
}
}
// 主函数
async function main() {
let client = null;
let outputBuffer = '';
const originalConsoleLog = console.log;
// 重定向console.log到buffer和控制台
console.log = function() {
// 调用原始的console.log
originalConsoleLog.apply(console, arguments);
// 写入到buffer
outputBuffer += Array.from(arguments).join(' ') + '\n';
};
try {
// 连接数据库
client = await connect();
// 获取所有表
const tables = await getAllTables(client);
if (!tables) {
console.error('无法获取表列表');
process.exit(1);
}
console.log('\n所有PostgreSQL表:');
console.log(tables.join(', '));
// 获取特定表的结构,但不获取数据示例
const requiredTables = ['projects', 'influencers', 'project_influencers', 'posts'];
for (const tableName of requiredTables) {
if (tables.includes(tableName)) {
await getTableSchema(client, tableName);
// 移除数据示例检查
// await getTableDataSample(client, tableName);
} else {
console.log(`\n${tableName} 不存在`);
}
}
console.log('\n数据库结构检查完成');
// 保存输出到指定目录
const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
// 确保目录存在
if (!fs.existsSync(DB_REPORTS_DIR)) {
fs.mkdirSync(DB_REPORTS_DIR, { recursive: true });
}
const outputPath = path.join(DB_REPORTS_DIR, `postgres-schema-${timestamp}.log`);
fs.writeFileSync(outputPath, outputBuffer);
originalConsoleLog(`结果已保存到: ${outputPath}`);
} catch (error) {
console.error('检查数据库结构时出错:', error);
process.exit(1);
} finally {
// 恢复原始的console.log
console.log = originalConsoleLog;
// 关闭数据库连接
if (client) {
await disconnect(client);
}
}
}
// 导出函数
module.exports = {
connect,
disconnect,
getAllTables,
getTableSchema,
getTableDataSample,
main
};
// 如果直接运行此脚本则执行main函数
if (require.main === module) {
main().catch(error => {
console.error('运行脚本时出错:', error);
process.exit(1);
});
}

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// 一键运行所有数据库检查脚本
const { exec } = require('child_process');
const path = require('path');
const fs = require('fs');
// 定义脚本路径
const postgresScriptPath = path.join(__dirname, 'postgres-schema.js');
const clickhouseScriptPath = path.join(__dirname, 'clickhouse-schema.js');
// 定义输出目录
const DB_REPORTS_DIR = '/Users/liam/code/promote/backend/db-reports';
// 确保目录存在
if (!fs.existsSync(DB_REPORTS_DIR)) {
fs.mkdirSync(DB_REPORTS_DIR, { recursive: true });
console.log(`创建输出目录: ${DB_REPORTS_DIR}`);
}
// 定义日期时间格式化函数,用于生成日志文件名
function getTimestampString() {
return new Date().toISOString().replace(/[:.]/g, '-');
}
// 运行PostgreSQL脚本
async function runPostgresScript() {
return new Promise((resolve, reject) => {
console.log('\n=======================================');
console.log('正在运行PostgreSQL数据库结构检查脚本...');
console.log('=======================================\n');
const process = exec(`node --no-inspect ${postgresScriptPath}`, (error, stdout, stderr) => {
if (error) {
console.error(`PostgreSQL脚本运行出错: ${error.message}`);
reject(error);
return;
}
if (stderr) {
console.error(`PostgreSQL脚本错误: ${stderr}`);
}
console.log(stdout);
resolve();
});
});
}
// 运行ClickHouse脚本
async function runClickHouseScript() {
return new Promise((resolve, reject) => {
console.log('\n=======================================');
console.log('正在运行ClickHouse数据库结构检查脚本...');
console.log('=======================================\n');
const process = exec(`node --no-inspect ${clickhouseScriptPath}`, (error, stdout, stderr) => {
if (error) {
console.error(`ClickHouse脚本运行出错: ${error.message}`);
reject(error);
return;
}
if (stderr) {
console.error(`ClickHouse脚本错误: ${stderr}`);
}
console.log(stdout);
resolve();
});
});
}
// 主函数
async function main() {
try {
console.log('开始运行所有数据库结构检查脚本...');
console.log(`输出目录: ${DB_REPORTS_DIR}`);
console.log(`时间戳: ${getTimestampString()}`);
// 运行PostgreSQL脚本
await runPostgresScript();
// 运行ClickHouse脚本
await runClickHouseScript();
console.log('\n=======================================');
console.log('所有数据库结构检查脚本已完成!');
console.log('报告已保存到以下目录:');
console.log(DB_REPORTS_DIR);
console.log('=======================================');
} catch (error) {
console.error('运行脚本时出错:', error);
process.exit(1);
}
}
// 执行主函数
if (require.main === module) {
main().catch(error => {
console.error('运行脚本时出错:', error);
process.exit(1);
});
}

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#!/bin/bash
# 一键运行所有数据库检查脚本
echo "============================================="
echo "开始运行所有数据库结构检查脚本..."
echo "============================================="
# 定义输出目录
DB_REPORTS_DIR="/Users/liam/code/promote/backend/db-reports"
# 确保目录存在
mkdir -p "$DB_REPORTS_DIR"
echo "输出目录: $DB_REPORTS_DIR"
# 获取当前时间戳
TIMESTAMP=$(date +"%Y-%m-%dT%H-%M-%S")
echo "时间戳: $TIMESTAMP"
echo ""
# 运行PostgreSQL脚本
echo "============================================="
echo "正在运行PostgreSQL数据库结构检查脚本..."
echo "============================================="
NODE_OPTIONS="--no-deprecation --no-warnings" node --no-inspect backend/scripts/db-inspector/postgres-schema.js
# 等待1秒
sleep 1
# 运行ClickHouse脚本
echo ""
echo "============================================="
echo "正在运行ClickHouse数据库结构检查脚本..."
echo "============================================="
NODE_OPTIONS="--no-deprecation --no-warnings" node --no-inspect backend/scripts/db-inspector/clickhouse-schema.js
# 完成信息
echo ""
echo "============================================="
echo "所有数据库结构检查脚本已完成!"
echo "报告已保存到以下目录:"
echo "$DB_REPORTS_DIR"
echo "============================================="
# 列出生成的报告文件
echo ""
echo "生成的报告文件:"
ls -la "$DB_REPORTS_DIR"