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from sqlalchemy import Boolean, Column, String, TIMESTAMP
from app.db.models.base_entity import BaseEntity
class Models(BaseEntity):
"""模型配置表,对应表 t_models。模型为系统级配置,RAG/生成等按 ID 引用时不受数据权限过滤。
CREATE TABLE IF NOT EXISTS t_models (
id VARCHAR(36) PRIMARY KEY COMMENT '主键ID',
model_name VARCHAR(100) NOT NULL COMMENT '模型名称(如 qwen2)',
provider VARCHAR(50) NOT NULL COMMENT '模型提供商(如 Ollama、OpenAI、DeepSeek)',
base_url VARCHAR(255) NOT NULL COMMENT 'API 基础地址',
api_key VARCHAR(512) DEFAULT '' COMMENT 'API 密钥(无密钥则为空)',
type VARCHAR(50) NOT NULL COMMENT '模型类型(如 chat、embedding)',
is_enabled TINYINT DEFAULT 1 COMMENT '是否启用:1-启用,0-禁用',
is_default TINYINT DEFAULT 0 COMMENT '是否默认:1-默认,0-非默认',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
created_by VARCHAR(255) COMMENT '创建者',
updated_by VARCHAR(255) COMMENT '更新者',
UNIQUE KEY uk_model_provider (model_name, provider)
) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COMMENT ='模型配置表';
"""
__tablename__ = "t_models"
id = Column(String(36), primary_key=True, index=True, comment="主键ID")
model_name = Column(String(100), nullable=False, comment="模型名称(如 qwen2)")
provider = Column(String(50), nullable=False, comment="模型提供商(如 Ollama、OpenAI、DeepSeek)")
base_url = Column(String(255), nullable=False, comment="API 基础地址")
api_key = Column(String(512), nullable=False, default="", comment="API 密钥(无密钥则为空)")
type = Column(String(50), nullable=False, comment="模型类型(如 chat、embedding)")
is_enabled = Column(Boolean, nullable=False, default=True, comment="是否启用")
is_default = Column(Boolean, nullable=False, default=False, comment="是否默认")
is_deleted = Column(Boolean, nullable=False, default=False, comment="是否删除")
__table_args__ = (
# 与 DDL 中的 uk_model_provider 保持一致
{
"mysql_engine": "InnoDB",
"mysql_charset": "utf8mb4",
"comment": "模型配置表",
},
)