Escape reserved separator identifiers in MySQL SQL

tests/system.test.mjs

@@ -4,12 +4,18 @@ import { resolve } from 'node:path';
 import assert from 'node:assert/strict';
 import ExcelJS from 'exceljs';
 import { relationalTables } from '../database.mjs';
+import { mysqlSchema } from '../src/database/schema.mjs';
 import { buildCenterMaterialsWorkbook, buildWorkbook } from '../excel.mjs';
 
 const root = resolve(process.cwd());
 const port = 4182;
 const baseUrl = `http://127.0.0.1:${port}`;
 const testDb = resolve(root, 'data', 'test-db.sqlite');
+const mysqlRuleSchemas = mysqlSchema.filter(statement => /CREATE TABLE IF NOT EXISTS (?:admission_number_rules|number_rules)\b/.test(statement));
+assert.equal(mysqlRuleSchemas.length, 2, 'MySQL 应包含两张号码规则表');
+for (const statement of mysqlRuleSchemas) {
+  assert.match(statement, /`separator` VARCHAR\(10\)/, 'MySQL 保留字 separator 必须作为标识符转义');
+}
 await rm(testDb, { force: true });
 await rm(`${testDb}-shm`, { force: true });
 await rm(`${testDb}-wal`, { force: true });