sync: 同步 sql-platform-pro 最新代码 — 权限体系安全修复 v0.8.1

- P0: 实例访问控制全线接入权限组 (829测试) - P1: permissions字段激活 + 操作级权限检查 (843测试) - 前端: 删除数据权限页面, 权限组合并为唯一入口 - 新增: CodeMirror编辑器 + 查询模板 + 慢查询分析 - 新增: MongoDB管理页面 + Dashboard增强 - 修复: Pydantic V2迁移 + 前端TS错误修复
2026-05-23 14:41:06 +08:00
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+/**
+ * 查询模板系统
+ * 提供 10 个预设模板，适配 MySQL、PostgreSQL、Redis、MongoDB 四种数据库类型
+ */
+
+export type DBType = 'mysql' | 'postgresql' | 'redis' | 'mongodb';
+
+export type QueryTemplate = {
+  id: string;
+  name: string;
+  description: string;
+  category: string;
+  sql: Partial<Record<DBType, string>>;
+  supportedTypes: DBType[];
+};
+
+export const queryTemplates: QueryTemplate[] = [
+  {
+    id: 'table-structure',
+    name: '查询表结构',
+    description: '查看指定表或集合的结构定义，包括字段、类型、索引等信息',
+    category: '表结构',
+    sql: {
+      mysql: 'SHOW CREATE TABLE {table};',
+      postgresql:
+        "SELECT column_name, data_type, is_nullable, column_default FROM information_schema.columns WHERE table_name = '{table}' ORDER BY ordinal_position;",
+      mongodb: 'db.{collection}.getIndexes()',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'mongodb'],
+  },
+  {
+    id: 'slow-queries',
+    name: '查询慢SQL',
+    description: '查看慢查询日志，定位执行时间较长的SQL语句',
+    category: '性能分析',
+    sql: {
+      mysql: 'SELECT * FROM mysql.slow_log LIMIT 20;',
+      postgresql:
+        'SELECT * FROM pg_stat_statements ORDER BY total_time DESC LIMIT 20;',
+    },
+    supportedTypes: ['mysql', 'postgresql'],
+  },
+  {
+    id: 'table-size',
+    name: '查询表大小',
+    description: '查看数据库中各表或集合的存储空间占用情况',
+    category: '数据统计',
+    sql: {
+      mysql: "SELECT table_name, data_length, index_length FROM information_schema.tables WHERE table_schema = '{db}';",
+      postgresql:
+        "SELECT relname, pg_relation_size(oid) FROM pg_class WHERE relkind='r';",
+      redis: 'INFO memory',
+      mongodb: 'db.stats()',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'redis', 'mongodb'],
+  },
+  {
+    id: 'active-connections',
+    name: '查询活跃连接',
+    description: '查看当前数据库的活跃连接数及连接详情',
+    category: '性能分析',
+    sql: {
+      mysql: 'SHOW PROCESSLIST;',
+      postgresql: 'SELECT * FROM pg_stat_activity;',
+      redis: 'CLIENT LIST',
+      mongodb: 'db.currentOp()',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'redis', 'mongodb'],
+  },
+  {
+    id: 'indexes',
+    name: '查询索引',
+    description: '查看指定表或集合的索引信息',
+    category: '表结构',
+    sql: {
+      mysql: 'SHOW INDEX FROM {table};',
+      postgresql:
+        "SELECT * FROM pg_indexes WHERE tablename = '{table}';",
+      mongodb: 'db.{collection}.getIndexes()',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'mongodb'],
+  },
+  {
+    id: 'lock-waits',
+    name: '查询锁等待',
+    description: '查看当前数据库中存在的锁等待情况，排查锁冲突',
+    category: '性能分析',
+    sql: {
+      mysql: 'SELECT * FROM information_schema.innodb_lock_waits;',
+      postgresql: 'SELECT * FROM pg_locks WHERE NOT granted;',
+    },
+    supportedTypes: ['mysql', 'postgresql'],
+  },
+  {
+    id: 'top-n',
+    name: 'TOP N查询',
+    description: '查询指定表中按ID倒序排列的前N条记录',
+    category: '基础查询',
+    sql: {
+      mysql: 'SELECT * FROM {table} ORDER BY id DESC LIMIT {n};',
+      postgresql: 'SELECT * FROM {table} ORDER BY id DESC LIMIT {n};',
+      mongodb: 'db.{collection}.find().sort({_id:-1}).limit({n})',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'mongodb'],
+  },
+  {
+    id: 'fuzzy-search',
+    name: '模糊搜索',
+    description: '根据关键词对指定字段进行模糊匹配查询',
+    category: '基础查询',
+    sql: {
+      mysql: "SELECT * FROM {table} WHERE {column} LIKE '%{keyword}%';",
+      postgresql: "SELECT * FROM {table} WHERE {column} LIKE '%{keyword}%';",
+      redis: 'KEYS *{keyword}*',
+      mongodb: 'db.{collection}.find({field: /{keyword}/})',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'redis', 'mongodb'],
+  },
+  {
+    id: 'statistics',
+    name: '查询统计信息',
+    description: '查看表或集合的统计信息，包括行数、大小、索引等',
+    category: '数据统计',
+    sql: {
+      mysql: "SHOW TABLE STATUS LIKE '{table}';",
+      postgresql:
+        "SELECT * FROM pg_stat_user_tables WHERE relname='{table}';",
+      redis: 'INFO keyspace',
+      mongodb: 'db.{collection}.stats()',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'redis', 'mongodb'],
+  },
+  {
+    id: 'execution-plan',
+    name: '查询执行计划',
+    description: '查看查询语句的执行计划，用于SQL性能优化分析',
+    category: '性能分析',
+    sql: {
+      mysql: 'EXPLAIN SELECT ...',
+      postgresql: 'EXPLAIN ANALYZE SELECT ...',
+      mongodb: 'db.{collection}.find({...}).explain()',
+    },
+    supportedTypes: ['mysql', 'postgresql', 'mongodb'],
+  },
+];
+
+/**
+ * 获取模板在指定数据库类型下的查询语句
+ * @param template 查询模板
+ * @param dbType 数据库类型
+ * @returns 对应的查询语句，如果不支持则返回提示信息
+ */
+export function getTemplateSQL(
+  template: QueryTemplate,
+  dbType: DBType
+): string {
+  const sql = template.sql[dbType];
+  if (!sql) {
+    return `-- 当前模板「${template.name}」不支持 ${dbType} 数据库类型`;
+  }
+  return sql;
+}
+
+/**
+ * 获取指定数据库类型支持的所有模板
+ * @param dbType 数据库类型
+ * @returns 该数据库类型支持的模板列表
+ */
+export function getTemplatesForType(dbType: DBType): QueryTemplate[] {
+  return queryTemplates.filter((template) =>
+    template.supportedTypes.includes(dbType)
+  );
+}