init

app/crud/form_crud.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-
+
+from sqlalchemy import and_, func
+from sqlalchemy.orm import Session
+
+from app.models.form import Form
+from app.schemas import FormCreate, FormUpdate
+from app.crud.base import CRUDBase
+
+
+class CRUDForm(CRUDBase[Form, FormUpdate, FormCreate]):
+    def get_last_bench(self, db: Session, num: int = 10):
+        # 创建子查询，获取每个不同的name的最大id
+        subquery = (
+            db.query(self.model.name, func.max(self.model.id).label('max_id'))
+            .group_by(self.model.name)
+            .subquery()
+        )
+
+        # 主查询，与子查询连接，获取每个name的最后一条数据
+        results = (
+            db.query(self.model)
+            .join(subquery, and_(self.model.id == subquery.c.max_id))
+            .all()
+        )
+        return results
+
+
+form = CRUDForm(Form)