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40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
from django.db import models
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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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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(
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fields=["barcode"], name="%(app_label)s_%(class)s_barcode_idx"
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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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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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class ChildModel1(AbstractModel):
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pass
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class ChildModel2(AbstractModel):
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pass
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