Files
DataMate/runtime/datamate-python/app/db/models/ratio_task.py
hefanli c1352ab91f feature: multiple ratio configurations can be set for the data set. (#103)
feature: multiple ratio configurations can be set for the data set.
2025-11-24 15:28:17 +08:00

71 lines
3.1 KiB
Python

"""
Tables for Ratio (Data Synthesis Ratio) module
Derived from scripts/db/data-ratio-init.sql
- t_st_ratio_instances
- t_st_ratio_relations
"""
import uuid
from sqlalchemy import Column, String, Text, BigInteger, TIMESTAMP, JSON, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.db.session import Base
class RatioInstance(Base):
"""配比实例表(UUID 主键) -> t_st_ratio_instances
Columns per data-ratio-init.sql:
id, name, description, target_dataset_id, ratio_method, ratio_parameters,
merge_method, status, totals, created_at, updated_at, created_by, updated_by
"""
__tablename__ = "t_st_ratio_instances"
id = Column(String(64), primary_key=True, default=lambda: str(uuid.uuid4()), comment="UUID")
name = Column(String(64), nullable=True, comment="名称")
description = Column(Text, nullable=True, comment="描述")
target_dataset_id = Column(String(64), nullable=True, comment="模板数据集ID")
ratio_parameters = Column(JSON, nullable=True, comment="配比参数")
merge_method = Column(String(50), nullable=True, comment="合并方式")
status = Column(String(20), nullable=True, comment="状态")
totals = Column(BigInteger, nullable=True, comment="总数")
created_at = Column(TIMESTAMP, server_default=func.current_timestamp(), comment="创建时间")
updated_at = Column( TIMESTAMP, server_default=func.current_timestamp(), onupdate=func.current_timestamp(), comment="更新时间")
created_by = Column(String(255), nullable=True, comment="创建者")
updated_by = Column(String(255), nullable=True, comment="更新者")
def __repr__(self) -> str:
return f"<RatioInstance(id={self.id}, name={self.name}, status={self.status})>"
class RatioRelation(Base):
"""配比关系表(UUID 主键) -> t_st_ratio_relations
Columns per data-ratio-init.sql:
id, ratio_instance_id, source_dataset_id, ratio_value, counts, filter_conditions,
created_at, updated_at, created_by, updated_by
"""
__tablename__ = "t_st_ratio_relations"
id = Column(String(64), primary_key=True, default=lambda: str(uuid.uuid4()), comment="UUID")
ratio_instance_id = Column(String(64), nullable=False, comment="配比实例ID")
source_dataset_id = Column(String(64), nullable=True, comment="源数据集ID")
ratio_value = Column(String(256), nullable=True)
counts = Column(BigInteger, nullable=True, comment="条数")
filter_conditions = Column(Text, nullable=True, comment="过滤条件")
created_at = Column(TIMESTAMP, server_default=func.current_timestamp(), comment="创建时间")
updated_at = Column(TIMESTAMP, server_default=func.current_timestamp(), onupdate=func.current_timestamp(), comment="更新时间")
created_by = Column(String(255), nullable=True, comment="创建者")
updated_by = Column(String(255), nullable=True, comment="更新者")
def __repr__(self) -> str:
return (
f"<RatioRelation(id={self.id}, ratio_instance_id={self.ratio_instance_id}, "
f"source_dataset_id={self.source_dataset_id}, counts={self.counts})>"
)