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Add indexes to key database fields.

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This commit is contained in:
Schuyler Erle 2012-03-12 14:28:46 +05:30
parent 9ad76811cb
commit fb29ee8903
1 changed files with 14 additions and 4 deletions
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18
chaloBEST/mumbai/models.py
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@ -43,6 +43,16 @@ SCHED = {
'2nd &4th':['???'] '2nd &4th':['???']
} }
# Runtime start and end hour
# matching column `runtimen` where `n` = index % 4 + 1
RUNTIMES = (
(00, 07),
(07, 11),
(11, 17),
(17, 20),
(20, 24)
)
class TrigramSearchManager(models.Manager): class TrigramSearchManager(models.Manager):
def __init__(self, trigram_columns=[]): def __init__(self, trigram_columns=[]):
super(TrigramSearchManager, self).__init__() super(TrigramSearchManager, self).__init__()
@ -119,9 +129,9 @@ class Fare(models.Model):
class Stop(models.Model): class Stop(models.Model):
objects = TrigramSearchManager(("name", "name_mr", "display_name")) objects = TrigramSearchManager(("name", "name_mr", "display_name"))
code = models.IntegerField() code = models.IntegerField(db_index=True)
slug = models.SlugField(null=True) slug = models.SlugField(null=True)
name = models.TextField(blank=True, max_length=255) name = models.TextField(blank=True, max_length=255, db_index=True)
display_name = models.TextField(blank=True, max_length=255) display_name = models.TextField(blank=True, max_length=255)
dbdirection = models.CharField(null=True, blank=True, max_length=5, choices=STOP_CHOICES) #stopfl - > direction dbdirection = models.CharField(null=True, blank=True, max_length=5, choices=STOP_CHOICES) #stopfl - > direction
chowki = models.NullBooleanField(null=True, blank=True) # this is nullable since in the next datafeed , they might have blank to represent a 0. chowki = models.NullBooleanField(null=True, blank=True) # this is nullable since in the next datafeed , they might have blank to represent a 0.
@ -206,7 +216,7 @@ class Stop(models.Model):
class Route(models.Model): class Route(models.Model):
code = models.TextField(max_length=255, unique=True) #FIXME: Why is this a TextField?? code = models.TextField(max_length=255, unique=True) #FIXME: Why is this a TextField??
slug = models.SlugField(null=True) slug = models.SlugField(null=True)
alias = models.TextField(max_length=255) alias = models.TextField(max_length=255, db_index=True)
from_stop_txt = models.TextField(max_length=500) from_stop_txt = models.TextField(max_length=500)
to_stop_txt = models.TextField(max_length=500) to_stop_txt = models.TextField(max_length=500)
from_stop = models.ForeignKey(Stop, related_name='routes_from', default=None, null=True, blank=True) from_stop = models.ForeignKey(Stop, related_name='routes_from', default=None, null=True, blank=True)
@ -339,7 +349,7 @@ class StopLocation(models.Model):
class Depot(models.Model): class Depot(models.Model):
code = models.CharField(max_length=5) code = models.CharField(max_length=5, unique=True)
name = models.TextField(max_length=50) name = models.TextField(max_length=50)
stop = models.IntegerField() stop = models.IntegerField()