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added some unique constraints and indexes

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This commit is contained in:
Sanj 2012-02-24 18:47:35 +05:30
parent 6736c92b7a
commit 72cdbf7bcf
1 changed files with 3 additions and 3 deletions
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6
indianrails/trains/models.py
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@ -11,7 +11,7 @@ class State(models.Model):
class Station(models.Model):
data_id = models.IntegerField() #id in the source data
code = models.CharField(max_length=10)
code = models.CharField(max_length=10, unique=True, db_index=True)
name = models.CharField(max_length=255)
zone = models.CharField(max_length=10)
state = models.ForeignKey(State)
@ -25,8 +25,8 @@ class Station(models.Model):
class Train(models.Model):
data_id = models.IntegerField()
name = models.CharField(max_length=255)
number = models.CharField(max_length=12)
return_train = models.CharField(max_length=12)
number = models.CharField(max_length=12, unique=True, db_index=True)
return_train = models.CharField(max_length=12, unique=True, db_index=True)
duration_h = models.IntegerField()
duration_m = models.IntegerField()
zone = models.CharField(max_length=10)