505 lines
18 KiB
JavaScript
505 lines
18 KiB
JavaScript
import { createHash } from 'node:crypto';
|
|
import { createRequire } from 'node:module';
|
|
|
|
import mysql from 'mysql2/promise';
|
|
|
|
const require = createRequire(import.meta.url);
|
|
const mysql2Version = require('mysql2/package.json').version;
|
|
const DEVELOPMENT_DATABASE = 'a_share_analysis_dev';
|
|
|
|
const CATALOG_QUERIES = Object.freeze({
|
|
tables: `SELECT TABLE_NAME, TABLE_TYPE
|
|
FROM information_schema.TABLES
|
|
WHERE TABLE_SCHEMA = ?
|
|
ORDER BY TABLE_NAME`,
|
|
viewDependencies: `SELECT VIEW_NAME, TABLE_SCHEMA AS REFERENCED_SCHEMA_NAME,
|
|
TABLE_NAME AS REFERENCED_TABLE_NAME
|
|
FROM information_schema.VIEW_TABLE_USAGE
|
|
WHERE VIEW_SCHEMA = ?
|
|
ORDER BY VIEW_NAME, REFERENCED_SCHEMA_NAME, REFERENCED_TABLE_NAME`,
|
|
routines: `SELECT ROUTINE_NAME, ROUTINE_TYPE
|
|
FROM information_schema.ROUTINES
|
|
WHERE ROUTINE_SCHEMA = ?
|
|
ORDER BY ROUTINE_TYPE, ROUTINE_NAME`,
|
|
triggers: `SELECT TRIGGER_NAME, EVENT_OBJECT_TABLE, ACTION_TIMING,
|
|
EVENT_MANIPULATION, ACTION_ORDER
|
|
FROM information_schema.TRIGGERS
|
|
WHERE TRIGGER_SCHEMA = ?
|
|
ORDER BY EVENT_OBJECT_TABLE, ACTION_TIMING, EVENT_MANIPULATION,
|
|
ACTION_ORDER, TRIGGER_NAME`,
|
|
events: `SELECT EVENT_NAME
|
|
FROM information_schema.EVENTS
|
|
WHERE EVENT_SCHEMA = ?
|
|
ORDER BY EVENT_NAME`,
|
|
});
|
|
|
|
const SERVER_METADATA_QUERY = `SELECT VERSION() AS SERVER_VERSION,
|
|
DEFAULT_CHARACTER_SET_NAME AS DATABASE_CHARSET,
|
|
DEFAULT_COLLATION_NAME AS DATABASE_COLLATION
|
|
FROM information_schema.SCHEMATA
|
|
WHERE SCHEMA_NAME = ?`;
|
|
|
|
const CREATE_RESULT_COLUMNS = Object.freeze({
|
|
TABLE: 'Create Table',
|
|
VIEW: 'Create View',
|
|
PROCEDURE: 'Create Procedure',
|
|
FUNCTION: 'Create Function',
|
|
TRIGGER: 'SQL Original Statement',
|
|
EVENT: 'Create Event',
|
|
});
|
|
|
|
export const MYSQL2_EXPORTER_METADATA = Object.freeze({
|
|
name: 'mysql2-show-create',
|
|
version: '1.0.0',
|
|
driverName: 'mysql2',
|
|
driverVersion: mysql2Version,
|
|
});
|
|
|
|
export const DEFAULT_EXPORT_LIMITS = Object.freeze({
|
|
connectTimeoutMs: 5_000,
|
|
queryTimeoutMs: 5_000,
|
|
totalTimeoutMs: 30_000,
|
|
maxObjects: 5_000,
|
|
maxDefinitionBytes: 1_048_576,
|
|
});
|
|
|
|
export class SchemaExportError extends Error {
|
|
constructor(code, message) {
|
|
super(message);
|
|
this.name = 'SchemaExportError';
|
|
this.code = code;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 配置在 Schema 治理入口已完成 development、主机白名单和固定库名校验；这里仅映射
|
|
* 连接所需字段，固定禁用多语句以防止未来元数据查询被拼接为任意 SQL。
|
|
*/
|
|
export function buildConnectionOptions(config) {
|
|
return {
|
|
host: config.MYSQL_HOST,
|
|
port: Number(config.MYSQL_PORT),
|
|
user: config.MYSQL_USERNAME,
|
|
password: config.MYSQL_PASSWORD,
|
|
database: config.MYSQL_DATABASE,
|
|
charset: 'utf8mb4',
|
|
timezone: '+08:00',
|
|
connectTimeout: DEFAULT_EXPORT_LIMITS.connectTimeoutMs,
|
|
multipleStatements: false,
|
|
enableKeepAlive: true,
|
|
};
|
|
}
|
|
|
|
/**
|
|
* 元数据对象名仍需防御性转义，避免控制字符破坏 `SHOW CREATE` 查询边界；名称不合法时
|
|
* 不回显输入，确保异常路径不会把潜在敏感值写入日志。
|
|
*/
|
|
export function quoteIdentifier(identifier) {
|
|
if (typeof identifier !== 'string' || identifier.length === 0 || /[\u0000-\u001F\u007F]/.test(identifier)) {
|
|
throw new SchemaExportError('INVALID_IDENTIFIER', 'Schema 标识符不能为空且不得包含控制字符');
|
|
}
|
|
|
|
return `\`${identifier.replaceAll('`', '``')}\``;
|
|
}
|
|
|
|
/**
|
|
* 导出器只接受项目数据库兼容基线，拒绝 MariaDB 和 MySQL 5.7 之外的服务器，避免相同
|
|
* `SHOW CREATE` 文本在不兼容语义下被误认为可恢复的 Schema 快照。
|
|
*/
|
|
export function assertMysql57ServerMetadata(metadata) {
|
|
const serverVersion = metadata?.serverVersion ?? '';
|
|
if (!/^5\.7\.\d+(?:[-+].*)?$/.test(serverVersion) || /mariadb/i.test(serverVersion)) {
|
|
throw new SchemaExportError('UNSUPPORTED_SERVER_VERSION', 'MySQL 服务端必须为 5.7.x');
|
|
}
|
|
if (metadata.databaseCharset !== 'utf8mb4') {
|
|
throw new SchemaExportError('INVALID_DATABASE_CHARSET', '数据库字符集必须为 utf8mb4');
|
|
}
|
|
if (metadata.databaseCollation !== 'utf8mb4_general_ci') {
|
|
throw new SchemaExportError('INVALID_DATABASE_COLLATION', '数据库排序规则必须为 utf8mb4_general_ci');
|
|
}
|
|
}
|
|
|
|
function requireCatalogText(value) {
|
|
if (typeof value !== 'string' || value.length === 0) {
|
|
throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 对象目录字段无效');
|
|
}
|
|
return value;
|
|
}
|
|
|
|
async function queryCatalogRows(connection, sql, database, limits) {
|
|
const result = await connection.query({
|
|
sql,
|
|
values: [database],
|
|
timeout: limits.queryTimeoutMs,
|
|
});
|
|
if (!Array.isArray(result) || !Array.isArray(result[0])) {
|
|
throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 对象目录查询结果无效');
|
|
}
|
|
return result[0];
|
|
}
|
|
|
|
function assertObjectLimit(count, limits) {
|
|
if (!Number.isInteger(limits.maxObjects) || limits.maxObjects < 0 || count > limits.maxObjects) {
|
|
throw new SchemaExportError('OBJECT_LIMIT_EXCEEDED', 'Schema 对象数量超过安全上限');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 目录查询只从 information_schema 读取固定列，库名始终作为参数传入。每类对象
|
|
* 在进入后续 SHOW CREATE 前先转换成稳定的小对象，并在累计数量越界时立即停止。
|
|
*/
|
|
export async function readSchemaCatalog(connection, database, limits = DEFAULT_EXPORT_LIMITS) {
|
|
const tableRows = await queryCatalogRows(connection, CATALOG_QUERIES.tables, database, limits);
|
|
const tables = [];
|
|
const views = [];
|
|
for (const row of tableRows) {
|
|
const name = requireCatalogText(row.TABLE_NAME);
|
|
if (row.TABLE_TYPE === 'BASE TABLE') tables.push(name);
|
|
else if (row.TABLE_TYPE === 'VIEW') views.push(name);
|
|
else throw new SchemaExportError('UNKNOWN_TABLE_TYPE', 'Schema 目录包含未知表类型');
|
|
}
|
|
tables.sort();
|
|
views.sort();
|
|
let objectCount = tables.length + views.length;
|
|
assertObjectLimit(objectCount, limits);
|
|
|
|
const dependencyRows = await queryCatalogRows(
|
|
connection,
|
|
CATALOG_QUERIES.viewDependencies,
|
|
database,
|
|
limits,
|
|
);
|
|
const viewDependencies = dependencyRows.map((row) => ({
|
|
view: requireCatalogText(row.VIEW_NAME),
|
|
referencedSchema: requireCatalogText(row.REFERENCED_SCHEMA_NAME),
|
|
referencedObject: requireCatalogText(row.REFERENCED_TABLE_NAME),
|
|
}));
|
|
|
|
const routineRows = await queryCatalogRows(connection, CATALOG_QUERIES.routines, database, limits);
|
|
const routines = routineRows.map((row) => {
|
|
const type = requireCatalogText(row.ROUTINE_TYPE);
|
|
if (!['FUNCTION', 'PROCEDURE'].includes(type)) {
|
|
throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 目录包含未知例程类型');
|
|
}
|
|
return { name: requireCatalogText(row.ROUTINE_NAME), type };
|
|
});
|
|
routines.sort((left, right) => left.type.localeCompare(right.type) || left.name.localeCompare(right.name));
|
|
objectCount += routines.length;
|
|
assertObjectLimit(objectCount, limits);
|
|
|
|
const triggerRows = await queryCatalogRows(connection, CATALOG_QUERIES.triggers, database, limits);
|
|
const triggers = triggerRows.map((row) => {
|
|
const order = Number(row.ACTION_ORDER);
|
|
if (!Number.isInteger(order) || order < 0) {
|
|
throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 触发器执行顺序无效');
|
|
}
|
|
return {
|
|
name: requireCatalogText(row.TRIGGER_NAME),
|
|
table: requireCatalogText(row.EVENT_OBJECT_TABLE),
|
|
timing: requireCatalogText(row.ACTION_TIMING),
|
|
event: requireCatalogText(row.EVENT_MANIPULATION),
|
|
order,
|
|
};
|
|
});
|
|
triggers.sort(
|
|
(left, right) =>
|
|
left.table.localeCompare(right.table) ||
|
|
left.timing.localeCompare(right.timing) ||
|
|
left.event.localeCompare(right.event) ||
|
|
left.order - right.order ||
|
|
left.name.localeCompare(right.name),
|
|
);
|
|
objectCount += triggers.length;
|
|
assertObjectLimit(objectCount, limits);
|
|
|
|
const eventRows = await queryCatalogRows(connection, CATALOG_QUERIES.events, database, limits);
|
|
const events = eventRows.map((row) => requireCatalogText(row.EVENT_NAME)).sort();
|
|
objectCount += events.length;
|
|
assertObjectLimit(objectCount, limits);
|
|
|
|
return Object.freeze({
|
|
tables: Object.freeze(tables),
|
|
views: Object.freeze(views),
|
|
viewDependencies: Object.freeze(viewDependencies.map((dependency) => Object.freeze(dependency))),
|
|
routines: Object.freeze(routines.map((routine) => Object.freeze(routine))),
|
|
triggers: Object.freeze(triggers.map((trigger) => Object.freeze(trigger))),
|
|
events: Object.freeze(events),
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 视图恢复顺序使用稳定 Kahn 拓扑排序。跨库或未知依赖不能被默默忽略，否则恢复
|
|
* 出来的 Schema 可能引用未捕获对象；同层节点始终按名称排序以保证逐字节确定性。
|
|
*/
|
|
export function orderViewNames(catalog) {
|
|
const tables = new Set(catalog.tables ?? []);
|
|
const views = new Set(catalog.views ?? []);
|
|
const incoming = new Map([...views].map((view) => [view, 0]));
|
|
const dependents = new Map([...views].map((view) => [view, []]));
|
|
|
|
for (const dependency of catalog.viewDependencies ?? []) {
|
|
if (dependency.referencedSchema !== DEVELOPMENT_DATABASE) {
|
|
throw new SchemaExportError(
|
|
'CROSS_SCHEMA_VIEW_DEPENDENCY',
|
|
'Schema 视图包含跨库依赖',
|
|
);
|
|
}
|
|
if (!views.has(dependency.view)) {
|
|
throw new SchemaExportError('UNKNOWN_VIEW_DEPENDENCY', 'Schema 视图依赖来源未知');
|
|
}
|
|
if (tables.has(dependency.referencedObject)) continue;
|
|
if (!views.has(dependency.referencedObject)) {
|
|
throw new SchemaExportError('UNKNOWN_VIEW_DEPENDENCY', 'Schema 视图依赖对象未知');
|
|
}
|
|
incoming.set(dependency.view, incoming.get(dependency.view) + 1);
|
|
dependents.get(dependency.referencedObject).push(dependency.view);
|
|
}
|
|
|
|
for (const names of dependents.values()) names.sort();
|
|
const ready = [...views].filter((view) => incoming.get(view) === 0).sort();
|
|
const ordered = [];
|
|
while (ready.length > 0) {
|
|
const view = ready.shift();
|
|
ordered.push(view);
|
|
for (const dependent of dependents.get(view)) {
|
|
incoming.set(dependent, incoming.get(dependent) - 1);
|
|
if (incoming.get(dependent) === 0) {
|
|
ready.push(dependent);
|
|
ready.sort();
|
|
}
|
|
}
|
|
}
|
|
if (ordered.length !== views.size) {
|
|
throw new SchemaExportError('VIEW_DEPENDENCY_CYCLE', 'Schema 视图依赖存在循环');
|
|
}
|
|
return ordered;
|
|
}
|
|
|
|
function sha256(content) {
|
|
return createHash('sha256').update(content, 'utf8').digest('hex');
|
|
}
|
|
|
|
/** 只屏蔽 SQL 字符串字面量，保留标识符参与 DEFINER 和凭据扫描。 */
|
|
function maskStringLiterals(sql) {
|
|
return String(sql).replace(/'(?:''|\\.|[^'\\])*'/gs, "''");
|
|
}
|
|
|
|
/**
|
|
* SHOW CREATE 的格式由服务端决定，这里只移除与结构无关的账号绑定、当前表自增值、
|
|
* 行尾分号和换行差异，不重排对象体，也不删除字符串字面量中的业务文本。
|
|
*/
|
|
export function normalizeCreateDefinition(definition) {
|
|
const normalized = String(definition)
|
|
.replace(/\r\n?/g, '\n')
|
|
.replace(
|
|
/^(CREATE\s+(?:ALGORITHM=\S+\s+)?)DEFINER=`(?:``|[^`])+`@`(?:`(?:``|[^`])+`|'(?:''|[^'])+'|\S+)\s+/i,
|
|
'$1',
|
|
)
|
|
.replace(/\sAUTO_INCREMENT=\d+(?=\s(?:DEFAULT\s+)?CHARSET=)/i, '')
|
|
.trim()
|
|
.replace(/;+\s*$/, '');
|
|
const inspectable = maskStringLiterals(normalized);
|
|
if (
|
|
/\bDEFINER\s*=/i.test(inspectable) ||
|
|
/\b(?:password|passwd|pwd|api[_-]?key|api[_-]?token|access[_-]?token|client[_-]?secret|secret)\s*[:=]/i.test(
|
|
inspectable,
|
|
) ||
|
|
/\b(?:mysql|mariadb):\/\/[^\s'"`]+/i.test(inspectable)
|
|
) {
|
|
throw new SchemaExportError('UNSAFE_DEFINITION', 'Schema 对象定义包含禁止内容');
|
|
}
|
|
return normalized;
|
|
}
|
|
|
|
export async function readMysql57ServerMetadata(
|
|
connection,
|
|
database,
|
|
limits = DEFAULT_EXPORT_LIMITS,
|
|
) {
|
|
const [rows] = await connection.query({
|
|
sql: SERVER_METADATA_QUERY,
|
|
values: [database],
|
|
timeout: limits.queryTimeoutMs,
|
|
});
|
|
if (!Array.isArray(rows) || rows.length !== 1) {
|
|
throw new SchemaExportError('DATABASE_METADATA_INVALID', '开发库元数据查询结果无效');
|
|
}
|
|
const metadata = {
|
|
serverVersion: rows[0].SERVER_VERSION,
|
|
databaseCharset: rows[0].DATABASE_CHARSET,
|
|
databaseCollation: rows[0].DATABASE_COLLATION,
|
|
};
|
|
assertMysql57ServerMetadata(metadata);
|
|
return Object.freeze(metadata);
|
|
}
|
|
|
|
function getCreateDescriptors(catalog) {
|
|
const viewOrder = orderViewNames(catalog);
|
|
const viewDefinitions = new Map((catalog.views ?? []).map((name) => [name, { name, type: 'VIEW' }]));
|
|
return [
|
|
...(catalog.tables ?? []).map((name) => ({ name, type: 'TABLE' })),
|
|
...(catalog.routines ?? []).map(({ name, type }) => ({ name, type })),
|
|
...viewOrder.map((name) => viewDefinitions.get(name)),
|
|
...(catalog.triggers ?? []).map(({ name }) => ({ name, type: 'TRIGGER' })),
|
|
...(catalog.events ?? []).map((name) => ({ name, type: 'EVENT' })),
|
|
];
|
|
}
|
|
|
|
async function readCreateDefinition(connection, descriptor, limits) {
|
|
const sql = `SHOW CREATE ${descriptor.type} ${quoteIdentifier(DEVELOPMENT_DATABASE)}.${quoteIdentifier(descriptor.name)}`;
|
|
const [rows] = await connection.query({ sql, timeout: limits.queryTimeoutMs });
|
|
if (!Array.isArray(rows) || rows.length === 0) {
|
|
throw new SchemaExportError('SHOW_CREATE_EMPTY', 'SHOW CREATE 未返回对象定义');
|
|
}
|
|
const rawDefinition = rows[0]?.[CREATE_RESULT_COLUMNS[descriptor.type]];
|
|
if (typeof rawDefinition !== 'string' || rawDefinition.length === 0) {
|
|
throw new SchemaExportError('SHOW_CREATE_SHAPE_INVALID', 'SHOW CREATE 返回列无效');
|
|
}
|
|
if (Buffer.byteLength(rawDefinition, 'utf8') > limits.maxDefinitionBytes) {
|
|
throw new SchemaExportError('DEFINITION_LIMIT_EXCEEDED', 'Schema 对象定义超过安全上限');
|
|
}
|
|
return Object.freeze({
|
|
...descriptor,
|
|
definition: normalizeCreateDefinition(rawDefinition),
|
|
sourceSha256: sha256(rawDefinition.replace(/\r\n?/g, '\n')),
|
|
});
|
|
}
|
|
|
|
export async function readDefinitions(connection, catalog, limits = DEFAULT_EXPORT_LIMITS) {
|
|
const definitions = [];
|
|
for (const descriptor of getCreateDescriptors(catalog)) {
|
|
definitions.push(await readCreateDefinition(connection, descriptor, limits));
|
|
}
|
|
return Object.freeze(definitions);
|
|
}
|
|
|
|
function appendDefinition(parts, definition) {
|
|
if (['TABLE', 'VIEW'].includes(definition.type)) {
|
|
parts.push(`${definition.definition};`);
|
|
return;
|
|
}
|
|
parts.push(`DELIMITER ;;\n${definition.definition} ;;\nDELIMITER ;`);
|
|
}
|
|
|
|
/** 固定恢复顺序和会话保护，不重新格式化对象体。 */
|
|
export function renderSchemaSql(catalog, definitions) {
|
|
const definitionsByKey = new Map(
|
|
definitions.map((definition) => [`${definition.type}:${definition.name}`, definition]),
|
|
);
|
|
const parts = [
|
|
'SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;',
|
|
'SET NAMES utf8mb4;',
|
|
];
|
|
for (const descriptor of getCreateDescriptors(catalog)) {
|
|
const definition = definitionsByKey.get(`${descriptor.type}:${descriptor.name}`);
|
|
if (!definition) {
|
|
throw new SchemaExportError('SHOW_CREATE_SHAPE_INVALID', 'Schema 对象定义集合不完整');
|
|
}
|
|
appendDefinition(parts, definition);
|
|
}
|
|
parts.push('SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;');
|
|
return `${parts.join('\n\n')}\n`;
|
|
}
|
|
|
|
function assertWithinDeadline(startedAt, now, limits) {
|
|
if (now() - startedAt > limits.totalTimeoutMs) {
|
|
throw new SchemaExportError('EXPORT_TIMEOUT', 'Schema 导出超过总时长限制');
|
|
}
|
|
}
|
|
|
|
function buildObjectCounts(catalog) {
|
|
return Object.freeze({
|
|
tables: catalog.tables.length,
|
|
views: catalog.views.length,
|
|
triggers: catalog.triggers.length,
|
|
routines: catalog.routines.length,
|
|
events: catalog.events.length,
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 单连接执行两轮目录和定义读取；任何漂移都失败。底层数据库异常统一脱敏，连接在
|
|
* 成功、查询失败、校验失败和超时路径均只关闭一次。
|
|
*/
|
|
export async function exportMysql57Schema({
|
|
config,
|
|
createConnection = mysql.createConnection,
|
|
now = Date.now,
|
|
limits = DEFAULT_EXPORT_LIMITS,
|
|
}) {
|
|
const startedAt = now();
|
|
let connection;
|
|
let result;
|
|
let failure;
|
|
try {
|
|
connection = await createConnection(buildConnectionOptions(config));
|
|
const guardedConnection = {
|
|
async query(options) {
|
|
assertWithinDeadline(startedAt, now, limits);
|
|
const queryResult = await connection.query(options);
|
|
assertWithinDeadline(startedAt, now, limits);
|
|
return queryResult;
|
|
},
|
|
};
|
|
const serverMetadata = await readMysql57ServerMetadata(
|
|
guardedConnection,
|
|
config.MYSQL_DATABASE,
|
|
limits,
|
|
);
|
|
const beforeCatalog = await readSchemaCatalog(
|
|
guardedConnection,
|
|
config.MYSQL_DATABASE,
|
|
limits,
|
|
);
|
|
const beforeDefinitions = await readDefinitions(guardedConnection, beforeCatalog, limits);
|
|
const afterCatalog = await readSchemaCatalog(
|
|
guardedConnection,
|
|
config.MYSQL_DATABASE,
|
|
limits,
|
|
);
|
|
if (sha256(JSON.stringify(beforeCatalog)) !== sha256(JSON.stringify(afterCatalog))) {
|
|
throw new SchemaExportError(
|
|
'CATALOG_CHANGED_DURING_EXPORT',
|
|
'Schema 对象目录在导出期间发生变化',
|
|
);
|
|
}
|
|
const afterDefinitions = await readDefinitions(guardedConnection, afterCatalog, limits);
|
|
if (sha256(JSON.stringify(beforeDefinitions)) !== sha256(JSON.stringify(afterDefinitions))) {
|
|
throw new SchemaExportError(
|
|
'DEFINITION_CHANGED_DURING_EXPORT',
|
|
'Schema 对象定义在导出期间发生变化',
|
|
);
|
|
}
|
|
assertWithinDeadline(startedAt, now, limits);
|
|
result = Object.freeze({
|
|
metadata: Object.freeze({
|
|
exporterName: MYSQL2_EXPORTER_METADATA.name,
|
|
exporterVersion: MYSQL2_EXPORTER_METADATA.version,
|
|
driverName: MYSQL2_EXPORTER_METADATA.driverName,
|
|
driverVersion: MYSQL2_EXPORTER_METADATA.driverVersion,
|
|
...serverMetadata,
|
|
}),
|
|
rawSql: renderSchemaSql(beforeCatalog, beforeDefinitions),
|
|
objectCounts: buildObjectCounts(beforeCatalog),
|
|
durationMs: now() - startedAt,
|
|
});
|
|
} catch (error) {
|
|
failure =
|
|
error instanceof SchemaExportError
|
|
? error
|
|
: new SchemaExportError('DATABASE_QUERY_FAILED', '开发库 Schema 查询失败');
|
|
} finally {
|
|
if (connection) {
|
|
try {
|
|
await connection.end();
|
|
} catch {
|
|
if (!failure) {
|
|
failure = new SchemaExportError('DATABASE_QUERY_FAILED', '开发库 Schema 连接关闭失败');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (failure) throw failure;
|
|
return result;
|
|
}
|