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https://github.com/fastapi-practices/fastapi_best_architecture.git
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7afd8415cd
* fix: 修复PostgreSQL SQL语法错误，将反引号替换为双引号 * feat: 新增雪花算法ID实现 * 优化雪花算法和主键类型 * 修复错误引用 * 添加雪花详情链接 * feat: add snowflake ID parser method * 修复独立执行异常 * 更新系统时间错误类
39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from typing import TYPE_CHECKING, Union
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from sqlalchemy import BigInteger, ForeignKey, String
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from sqlalchemy.dialects.mysql import LONGTEXT
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from sqlalchemy.dialects.postgresql import TEXT
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from backend.common.model import DataClassBase, id_key
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if TYPE_CHECKING:
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from backend.plugin.code_generator.model import GenBusiness
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class GenColumn(DataClassBase):
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"""代码生成模型列表"""
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__tablename__ = 'gen_column'
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id: Mapped[id_key] = mapped_column(init=False)
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name: Mapped[str] = mapped_column(String(50), comment='列名称')
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comment: Mapped[str | None] = mapped_column(String(255), default=None, comment='列描述')
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type: Mapped[str] = mapped_column(String(20), default='String', comment='SQLA 模型列类型')
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pd_type: Mapped[str] = mapped_column(String(20), default='str', comment='列类型对应的 pydantic 类型')
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default: Mapped[str | None] = mapped_column(
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LONGTEXT().with_variant(TEXT, 'postgresql'), default=None, comment='列默认值'
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)
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sort: Mapped[int | None] = mapped_column(default=1, comment='列排序')
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length: Mapped[int] = mapped_column(default=0, comment='列长度')
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is_pk: Mapped[bool] = mapped_column(default=False, comment='是否主键')
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is_nullable: Mapped[bool] = mapped_column(default=False, comment='是否可为空')
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# 代码生成业务模型一对多
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gen_business_id: Mapped[int] = mapped_column(
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BigInteger, ForeignKey('gen_business.id', ondelete='CASCADE'), default=0, comment='代码生成业务ID'
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)
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gen_business: Mapped[Union['GenBusiness', None]] = relationship(init=False, back_populates='gen_column')
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