sz-orm-python 0.1.0

Python bindings for sz-orm-core (PyO3): Model, QueryBuilder, Pool, Transaction
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sz-orm — Python 绑定

Python bindings for sz-orm-core: async ORM with Model, QueryBuilder, Pool, Transaction.

安装

pip install sz-orm

基本用法

from sz_orm import QueryBuilder, Model, Pool

# 构建 SQL（参数化查询）
qb = QueryBuilder("mysql")
qb.set_table("users")
qb.where_eq("id", 1)
sql, params = qb.build_select()
# sql = "SELECT * FROM `users` WHERE `id` = ?"
# params = [1]

# 模型
user = Model("users")
user.set("name", "alice")
user.set("age", 30)
data = user.to_dict()

# 连接池
pool = Pool("mysql", max_size=100)
print(pool.status())

异步模型

异步方法（connect/acquire/execute）通过 pyo3-asyncio 桥接到 asyncio，需在 asyncio 事件循环内调用。

类型映射表

Rust Value Python 类型
Null None
Bool bool
I8/I16/I32/I64 int
U8/U16/U32/U64 int
F32/F64 float
Decimal str
String str
Bytes bytes
Uuid/Date/DateTime/Time/Json str (ISO 8601)
Array list
Object dict

U64 大值说明

Python int 无精度限制，U64 大值（> 2^53）无精度丢失。