数据库设计
建立数据模型
使用此命令 导出模型建立 使其变换成 django可使用的 模型类
# Specify which models.py 指定某个子应用里面保存导出的 模型类
python ../manage.py inspectdb > appName/models.py
以下为导出后的模型类
# This is an auto-generated Django model module.
# You'll have to do the following manually to clean this up:
# * Rearrange models' order
# * Make sure each model has one field with primary_key=True
# * Make sure each ForeignKey has `on_delete` set to the desired behavior.
# * Remove `managed = False` lines if you wish to allow Django to create, modify, and delete the table
# Feel free to rename the models, but don't rename db_table values or field names.
from __future__ import unicode_literals
from django.db import models
class Asin(models.Model):
aisn_name = models.CharField(max_length=255, blank=True, null=True)
create_time = models.DateTimeField(blank=True, null=True)
update_time = models.DateTimeField(blank=True, null=True)
class Meta:
managed = False
db_table = 'asin'
class AsinKeywordInfo(models.Model):
keywordinfo_name = models.CharField(max_length=255, blank=True, null=True)
search_trend = models.CharField(max_length=255, blank=True, null=True)
purchase = models.IntegerField(blank=True, null=True)
search_volume = models.IntegerField(blank=True, null=True)
search_hot = models.IntegerField(blank=True, null=True)
results = models.IntegerField(blank=True, null=True)
cvr = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True)
quality = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True)
create_time = models.DateTimeField(blank=True, null=True)
update_time = models.DateTimeField(blank=True, null=True)
class Meta:
managed = False
db_table = 'asin_keyword_info'
class Asininfo(models.Model):
asin = models.ForeignKey(Asin, models.DO_NOTHING, blank=True, null=True)
asininfo = models.ForeignKey(AsinKeywordInfo, models.DO_NOTHING, blank=True, null=True)
class Meta:
managed = False
db_table = 'asininfo'
class Keyword(models.Model):
keyword_name = models.CharField(max_length=255, blank=True, null=True)
create_time = models.DateTimeField(blank=True, null=True)
update_time = models.DateTimeField(blank=True, null=True)
class Meta:
managed = False
db_table = 'keyword'
class Keywordinfo(models.Model):
keyword = models.ForeignKey(Keyword, models.DO_NOTHING, blank=True, null=True)
keywordinfo = models.ForeignKey(AsinKeywordInfo, models.DO_NOTHING, blank=True, null=True)
class Meta:
managed = False
db_table = 'keywordinfo'
class Site(models.Model):
site_name = models.CharField(max_length=255, blank=True, null=True)
create_time = models.DateTimeField(blank=True, null=True)
update_time = models.DateTimeField(blank=True, null=True)
class Meta:
managed = False
db_table = 'site'
class SiteAsin(models.Model):
sid = models.ForeignKey(Site, models.DO_NOTHING, db_column='sid', blank=True, null=True)
aid = models.ForeignKey(Asin, models.DO_NOTHING, db_column='aid', blank=True, null=True)
class Meta:
managed = False
db_table = 'site_asin'
class SiteKeyword(models.Model):
sid = models.ForeignKey(Site, models.DO_NOTHING, db_column='sid', blank=True, null=True)
kid = models.ForeignKey(Keyword, models.DO_NOTHING, db_column='kid', blank=True, null=True)
class Meta:
managed = False
db_table = 'site_keyword'