app.backbone.entities.ticker

View Source

 1from sqlalchemy import Column, ForeignKey, Integer, Float, String
 2from sqlalchemy.orm import relationship
 3
 4from . import Base
 5
 6# Clase que representa una tabla en la base de datos
 7class Ticker(Base):
 8    __tablename__ = 'Tickers'  # Nombre de la tabla en la BD
 9
10    Id = Column(Integer, primary_key=True, autoincrement=True)
11    CategoryId = Column(Integer, ForeignKey('Categories.Id'))  # Referencia a la tabla Categories
12    Name = Column(String, nullable=False) 
13    Spread = Column(Float, nullable=False)
14    
15    Category = relationship('Category', back_populates='Tickers', lazy='joined')
16    Bot = relationship('Bot', back_populates='Ticker', lazy='select')
17
18    def __repr__(self):
19        return f"<Ticker(id={self.Id}, name='{self.Name}', spread={self.Spread})>"

class Ticker(sqlalchemy.orm.decl_api._DynamicAttributesType, sqlalchemy.inspection.Inspectable[sqlalchemy.orm.mapper.Mapper[typing.Any]]): View Source

 8class Ticker(Base):
 9    __tablename__ = 'Tickers'  # Nombre de la tabla en la BD
10
11    Id = Column(Integer, primary_key=True, autoincrement=True)
12    CategoryId = Column(Integer, ForeignKey('Categories.Id'))  # Referencia a la tabla Categories
13    Name = Column(String, nullable=False) 
14    Spread = Column(Float, nullable=False)
15    
16    Category = relationship('Category', back_populates='Tickers', lazy='joined')
17    Bot = relationship('Bot', back_populates='Ticker', lazy='select')
18
19    def __repr__(self):
20        return f"<Ticker(id={self.Id}, name='{self.Name}', spread={self.Spread})>"

The base class of the class hierarchy.

When called, it accepts no arguments and returns a new featureless instance that has no instance attributes and cannot be given any.

Ticker(**kwargs)

A simple constructor that allows initialization from kwargs.

Sets attributes on the constructed instance using the names and values in kwargs.

Only keys that are present as attributes of the instance's class are allowed. These could be, for example, any mapped columns or relationships.

CategoryId

Name

Spread