![](/img/trans.png)
[英]SQLModel error: "AttributeError: 'Team' object has no attribute 'heroes'"
[英]SQLMODEL background error with date object
我正在嘗試使用 sqlmodel、fastapi、sqlalchemy 比較日期對象。 我的 ORM class 看起來像這樣:
class Evergreen(SQLModel,table=True):
id_seq: Optional[int] = Field(default=None,primary_key=True)
phase_end: Optional[date] = None
phase_start: Optional[date] = None
phase_type: Optional[str] = None
software_product_version_name: Optional[str] = None
product_name: Optional[str] = None
software_product_version_id: Optional[int] = None
product_id: int
我的 function 是這樣的:
@app.get(
"/products/",
summary="Query all evergreen products",
response_description="Successful Query",
tags=[Tags.items]
)
def get_product_evergreen(product_id: Optional[int] = None,days_ago: Optional[int] = None ,session: Session = Depends(get_session)) -> list:
query = select(Evergreen,Mapping.product_alias).where(Evergreen.product_id == Mapping.eim_product_id)
if product_id:
query = query.where(Mapping.eim_product_id == product_id)
if days_ago:
margin = date.today() - timedelta(days_ago)
query = query.where(date.today() >= Evergreen.phase_end - margin)
return session.exec(query).fetchall()
Evergreen.phase_end
在 oracle 中有DATE
類型,這是我在后端的數據庫。 我收到以下錯誤:
sqlalchemy.exc.DatabaseError: (cx_Oracle.DatabaseError) ORA-00932: inconsistent datatypes: expected NUMBER got DATE
[SQL: SELECT evergreen.id_seq, evergreen.phase_end, evergreen.phase_start, evergreen.phase_type, evergreen.software_product_version_name, evergreen.product_name, evergreen.software_product_version_id, evergreen.product_id,
mapping.product_alias
FROM evergreen, mapping
WHERE evergreen.product_id = mapping.eim_product_id AND evergreen.phase_end - :phase_end_1 <= :param_1]
[parameters: {'phase_end_1': datetime.date(2022, 10, 26), 'param_1': datetime.date(2022, 11, 25)}]
(Background on this error at: https://sqlalche.me/e/14/4xp6)
我不明白為什么數據庫需要一個數字。
您的查詢輸入似乎有誤。
嘗試這個,
if days_ago:
margin = date.today() - timedelta(days_ago)
query = query.where(Evergreen.phase_end =< date.today() + margin)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.