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			38 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from django.db import models
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| 
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| 
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| class Book(models.Model):
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|     title = models.CharField(max_length=50)
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|     author = models.CharField(max_length=50)
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|     pages = models.IntegerField(db_column='page_count')
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|     shortcut = models.CharField(max_length=50, db_tablespace='idx_tbls')
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|     isbn = models.CharField(max_length=50, db_tablespace='idx_tbls')
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|     barcode = models.CharField(max_length=31)
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| 
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|     class Meta:
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|         indexes = [
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|             models.Index(fields=['title']),
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|             models.Index(fields=['isbn', 'id']),
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|             models.Index(fields=['barcode'], name='%(app_label)s_%(class)s_barcode_idx'),
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|         ]
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| 
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| 
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| class AbstractModel(models.Model):
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|     name = models.CharField(max_length=50)
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|     shortcut = models.CharField(max_length=3)
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| 
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|     class Meta:
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|         abstract = True
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|         indexes = [
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|             models.Index(fields=['name']),
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|             models.Index(fields=['shortcut'], name='%(app_label)s_%(class)s_idx'),
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|         ]
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| 
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| 
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| class ChildModel1(AbstractModel):
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|     pass
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| 
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| 
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| class ChildModel2(AbstractModel):
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|     pass
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