from pydantic import BaseModel
from typing import Any, Dict, List, Optional

class SQLExecuteRequest(BaseModel):
    sql: str

class SQLExecuteResponse(BaseModel):
    success: bool
    message: str
    data: Optional[Any] = None
    rows_affected: Optional[int] = None

class TableDataRequest(BaseModel):
    table_name: str
    limit: Optional[int] = 100
    offset: Optional[int] = 0

class TableDataResponse(BaseModel):
    success: bool
    message: str
    data: Optional[List[Dict[str, Any]]] = None
    total_count: Optional[int] = None

class CreateTableRequest(BaseModel):
    table_name: str
    columns: Dict[str, str]  # 列名: 数据类型
    primary_key: Optional[str] = None

class ImportDataRequest(BaseModel):
    table_name: str
    data: List[Dict[str, Any]]

class FileImportFormData(BaseModel):
    """文件导入表单数据"""
    table_name: Optional[str] = None  # 可选的自定义表名
    force_overwrite: bool = False  # 是否强制覆盖已存在的表