"""影响分析 Pydantic Schemas。"""
from typing import List, Optional
from pydantic import BaseModel


class ImpactAnalysisRequest(BaseModel):
    instance_id: int
    database: str
    sql_content: str


class ImpactAnalysisResponse(BaseModel):
    sql_type: str
    estimated_rows: int
    estimated_duration_ms: int
    table_size_mb: float
    table_row_count: int
    index_usage: List[str]
    has_full_scan: bool
    risk_level: str  # low / medium / high / critical
    warnings: List[str]