hiderfong
87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
from datetime import datetime
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from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, BigInteger
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from sqlalchemy.orm import relationship
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from app.core.database import Base
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class DataSource(Base):
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__tablename__ = "data_source"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String(100), nullable=False)
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source_type = Column(String(50), nullable=False) # mysql, postgresql, oracle, dm, etc.
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host = Column(String(200))
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port = Column(Integer)
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database_name = Column(String(100))
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username = Column(String(100))
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encrypted_password = Column(Text)
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extra_params = Column(Text) # JSON string
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status = Column(String(20), default="active") # active, inactive, error
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dept_id = Column(Integer, ForeignKey("sys_dept.id"), nullable=True)
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created_by = Column(Integer, ForeignKey("sys_user.id"))
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created_at = Column(DateTime, default=datetime.utcnow)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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databases = relationship("Database", back_populates="source", cascade="all, delete-orphan")
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creator = relationship("User")
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class Database(Base):
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__tablename__ = "meta_database"
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id = Column(Integer, primary_key=True, index=True)
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source_id = Column(Integer, ForeignKey("data_source.id"), nullable=False)
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name = Column(String(100), nullable=False)
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charset = Column(String(50))
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table_count = Column(Integer, default=0)
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created_at = Column(DateTime, default=datetime.utcnow)
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source = relationship("DataSource", back_populates="databases")
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tables = relationship("DataTable", back_populates="database", cascade="all, delete-orphan")
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class DataTable(Base):
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__tablename__ = "meta_table"
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id = Column(Integer, primary_key=True, index=True)
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database_id = Column(Integer, ForeignKey("meta_database.id"), nullable=False)
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name = Column(String(200), nullable=False)
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comment = Column(String(500))
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row_count = Column(BigInteger, default=0)
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column_count = Column(Integer, default=0)
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created_at = Column(DateTime, default=datetime.utcnow)
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database = relationship("Database", back_populates="tables")
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columns = relationship("DataColumn", back_populates="table", cascade="all, delete-orphan")
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class DataColumn(Base):
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__tablename__ = "meta_column"
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id = Column(Integer, primary_key=True, index=True)
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table_id = Column(Integer, ForeignKey("meta_table.id"), nullable=False)
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name = Column(String(200), nullable=False)
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data_type = Column(String(100))
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length = Column(Integer)
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comment = Column(String(500))
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is_nullable = Column(Boolean, default=True)
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sample_data = Column(Text) # JSON array of sample values
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created_at = Column(DateTime, default=datetime.utcnow)
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table = relationship("DataTable", back_populates="columns")
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class UnstructuredFile(Base):
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__tablename__ = "unstructured_file"
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id = Column(Integer, primary_key=True, index=True)
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original_name = Column(String(255), nullable=False)
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file_type = Column(String(50)) # word, pdf, txt, excel
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file_size = Column(BigInteger)
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storage_path = Column(String(500))
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extracted_text = Column(Text)
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status = Column(String(20), default="pending") # pending, processed, error
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created_by = Column(Integer, ForeignKey("sys_user.id"))
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created_at = Column(DateTime, default=datetime.utcnow)
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