feat(M01-B): 增加迁移执行器与旧库只读兼容层

This commit is contained in:
Codex
2026-06-18 09:31:29 +08:00
parent 3cabb71de5
commit e069c50331
8 changed files with 487 additions and 1 deletions
+145
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@@ -0,0 +1,145 @@
import type { MySqlPool } from './mysql.js';
type LegacyEntity = 'stores' | 'rooms' | 'orders' | 'devices';
export interface LegacyTableMapping {
table: string;
idColumn: string;
tenantColumn: string;
parentColumn?: string;
nameColumn?: string;
statusColumn?: string;
codeColumn?: string;
startColumn?: string;
endColumn?: string;
}
export interface LegacyReadOptions {
tenantId: number;
parentId?: number;
limit?: number;
}
export interface LegacyRecord {
legacyId: string;
tenantId: string;
parentId: string | null;
name: string | null;
code: string | null;
status: string | null;
startAt: Date | string | null;
endAt: Date | string | null;
}
export const defaultLegacyMappings: Record<LegacyEntity, LegacyTableMapping> = {
stores: {
table: 'member_store_info',
idColumn: 'id',
tenantColumn: 'tenant_id',
nameColumn: 'store_name',
statusColumn: 'status'
},
rooms: {
table: 'member_room_info',
idColumn: 'id',
tenantColumn: 'tenant_id',
parentColumn: 'store_id',
nameColumn: 'room_name',
codeColumn: 'room_no',
statusColumn: 'status'
},
orders: {
table: 'member_order_info',
idColumn: 'id',
tenantColumn: 'tenant_id',
parentColumn: 'room_id',
codeColumn: 'order_no',
statusColumn: 'status',
startColumn: 'start_time',
endColumn: 'end_time'
},
devices: {
table: 'member_device_info',
idColumn: 'id',
tenantColumn: 'tenant_id',
parentColumn: 'room_id',
nameColumn: 'device_name',
codeColumn: 'device_id',
statusColumn: 'status'
}
};
const identifierPattern = /^[A-Za-z][A-Za-z0-9_]*$/;
function quoteIdentifier(identifier: string): string {
if (!identifierPattern.test(identifier)) {
throw new Error(`Unsafe legacy SQL identifier: ${identifier}`);
}
return `\`${identifier}\``;
}
function selectedColumn(column: string | undefined, alias: string): string {
return column ? `${quoteIdentifier(column)} AS ${quoteIdentifier(alias)}` : `NULL AS ${quoteIdentifier(alias)}`;
}
function normalizeLimit(limit = 100): number {
if (!Number.isInteger(limit) || limit < 1 || limit > 500) {
throw new Error('Legacy read limit must be an integer between 1 and 500.');
}
return limit;
}
export class LegacyReadRepository {
constructor(
private readonly pool: Pick<MySqlPool, 'query'>,
private readonly mappings: Record<LegacyEntity, LegacyTableMapping> = defaultLegacyMappings
) {}
listStores(options: LegacyReadOptions): Promise<LegacyRecord[]> {
return this.list('stores', options);
}
listRooms(options: LegacyReadOptions): Promise<LegacyRecord[]> {
return this.list('rooms', options);
}
listOrders(options: LegacyReadOptions): Promise<LegacyRecord[]> {
return this.list('orders', options);
}
listDevices(options: LegacyReadOptions): Promise<LegacyRecord[]> {
return this.list('devices', options);
}
private async list(entity: LegacyEntity, options: LegacyReadOptions): Promise<LegacyRecord[]> {
const mapping = this.mappings[entity];
const limit = normalizeLimit(options.limit);
const clauses = [`${quoteIdentifier(mapping.tenantColumn)} = ?`];
const parameters: Array<number> = [options.tenantId];
if (mapping.parentColumn && options.parentId !== undefined) {
clauses.push(`${quoteIdentifier(mapping.parentColumn)} = ?`);
parameters.push(options.parentId);
}
parameters.push(limit);
const sql = [
'SELECT',
`${quoteIdentifier(mapping.idColumn)} AS ${quoteIdentifier('legacyId')},`,
`${quoteIdentifier(mapping.tenantColumn)} AS ${quoteIdentifier('tenantId')},`,
`${selectedColumn(mapping.parentColumn, 'parentId')},`,
`${selectedColumn(mapping.nameColumn, 'name')},`,
`${selectedColumn(mapping.codeColumn, 'code')},`,
`${selectedColumn(mapping.statusColumn, 'status')},`,
`${selectedColumn(mapping.startColumn, 'startAt')},`,
selectedColumn(mapping.endColumn, 'endAt'),
`FROM ${quoteIdentifier(mapping.table)}`,
`WHERE ${clauses.join(' AND ')}`,
`ORDER BY ${quoteIdentifier(mapping.idColumn)} ASC`,
'LIMIT ?'
].join(' ');
const [rows] = await this.pool.query(sql, parameters);
return rows as LegacyRecord[];
}
}
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import { loadConfig } from '../config.js';
import { closeMySqlPool, createMySqlPool } from './mysql.js';
import {
executeMigrationPlan,
loadMigrationPlan,
type MigrationDirection
} from './migration-runner.js';
const command = process.argv[2] ?? 'plan';
const validCommands = new Set(['plan', 'up', 'verify', 'down']);
if (!validCommands.has(command)) {
console.error('Usage: migrate-cli.js <plan|up|verify|down>');
process.exitCode = 2;
} else {
const direction: MigrationDirection = command === 'plan' ? 'up' : command as MigrationDirection;
const plan = await loadMigrationPlan(direction);
if (command === 'plan') {
console.log(JSON.stringify({
mode: 'dry-run',
direction: plan.direction,
file: plan.file,
checksum: plan.checksum,
statementCount: plan.statements.length
}, null, 2));
} else {
const config = loadConfig();
if (!config.mysql.passwordConfigured) {
console.error('QIPAI_MYSQL_PASSWORD is required for live migration commands.');
process.exitCode = 2;
} else {
const pool = createMySqlPool(config);
try {
const result = await executeMigrationPlan(pool, plan);
console.log(JSON.stringify({
mode: 'live',
direction: result.direction,
file: result.file,
checksum: result.checksum,
statementCount: result.statements.length,
affectedRows: result.affectedRows
}, null, 2));
} finally {
await closeMySqlPool(pool);
}
}
}
}
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import { createHash } from 'node:crypto';
import { readFile } from 'node:fs/promises';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';
import type { MySqlPool } from './mysql.js';
export type MigrationDirection = 'up' | 'verify' | 'down';
export interface MigrationPlan {
direction: MigrationDirection;
file: string;
checksum: string;
statements: readonly string[];
}
export interface MigrationExecutionResult extends MigrationPlan {
executed: boolean;
affectedRows: number;
}
const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), '../../..');
const migrationFiles: Record<MigrationDirection, string> = {
up: 'database/migrations/2026061601_m01b_core_schema.up.sql',
verify: 'database/migrations/2026061601_m01b_core_schema.verify.sql',
down: 'database/migrations/2026061601_m01b_core_schema.down.sql'
};
export function splitSqlStatements(sql: string): string[] {
const statements: string[] = [];
let current = '';
let quote: "'" | '"' | '`' | null = null;
let escaped = false;
let lineComment = false;
let blockComment = false;
for (let index = 0; index < sql.length; index += 1) {
const character = sql[index];
const next = sql[index + 1];
if (lineComment) {
if (character === '\n') {
lineComment = false;
current += character;
}
continue;
}
if (blockComment) {
if (character === '*' && next === '/') {
blockComment = false;
index += 1;
}
continue;
}
if (!quote && character === '-' && next === '-' && (index === 0 || /\s/.test(sql[index - 1]))) {
lineComment = true;
index += 1;
continue;
}
if (!quote && character === '/' && next === '*') {
blockComment = true;
index += 1;
continue;
}
current += character;
if (quote) {
if (escaped) {
escaped = false;
} else if (character === '\\') {
escaped = true;
} else if (character === quote) {
if (next === quote) {
current += next;
index += 1;
} else {
quote = null;
}
}
continue;
}
if (character === "'" || character === '"' || character === '`') {
quote = character;
continue;
}
if (character === ';') {
const statement = current.slice(0, -1).trim();
if (statement) {
statements.push(statement);
}
current = '';
}
}
const trailing = current.trim();
if (trailing) {
statements.push(trailing);
}
if (quote || blockComment) {
throw new Error('Migration SQL contains an unterminated quote or comment.');
}
return statements;
}
export async function loadMigrationPlan(direction: MigrationDirection): Promise<MigrationPlan> {
const relativeFile = migrationFiles[direction];
const sql = await readFile(resolve(repoRoot, relativeFile), 'utf8');
return {
direction,
file: relativeFile,
checksum: createHash('sha256').update(sql).digest('hex'),
statements: splitSqlStatements(sql)
};
}
export async function executeMigrationPlan(
pool: Pick<MySqlPool, 'query'>,
plan: MigrationPlan,
dryRun = false
): Promise<MigrationExecutionResult> {
if (dryRun) {
return { ...plan, executed: false, affectedRows: 0 };
}
let affectedRows = 0;
for (const [index, statement] of plan.statements.entries()) {
const [result] = await pool.query(statement);
if (plan.direction === 'verify') {
const minimumRows = [10, 26, 1][index] ?? 1;
if (!Array.isArray(result) || result.length < minimumRows) {
throw new Error(
`Migration verification statement ${index + 1} returned fewer than ${minimumRows} rows.`
);
}
}
if (result && typeof result === 'object' && 'affectedRows' in result) {
const value = Reflect.get(result, 'affectedRows');
if (typeof value === 'number') {
affectedRows += value;
}
}
}
return { ...plan, executed: true, affectedRows };
}
+4
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@@ -23,3 +23,7 @@ export function toPoolOptions(config: AppConfig): PoolOptions {
dateStrings: false
};
}
export async function closeMySqlPool(pool: MySqlPool): Promise<void> {
await pool.end();
}