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Merged
merged 2 commits into from
May 7, 2014
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Private chaks 4708 #1

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a4ab286
Refs#4708 Create a short index name for cases where auto-generated in…
ChaksChigurupati May 6, 2014
1f8f7b7
Refs#4708 printing an error message before retrying a shorter index name
ChaksChigurupati May 7, 2014
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14 changes: 13 additions & 1 deletion django_mongodb_engine/creation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@

from pymongo import DESCENDING

from pymongo.errors import OperationFailure

from random import randint

from djangotoolbox.db.creation import NonrelDatabaseCreation

from .utils import make_index_list
Expand Down Expand Up @@ -39,7 +43,15 @@ def ensure_index(*args, **kwargs):
print "Installing indices for %s.%s model." % \
(meta.app_label, meta.object_name)
ensure_index.first_index = False
return collection.ensure_index(*args, **kwargs)
try:
return collection.ensure_index(*args, **kwargs)
except OperationFailure, e:
# Try with a short name for the index in case the
# auto-generated index name is too long
index_name = meta.object_name + "_index_" + str(randint(1,100000))
print "Error installing index on %s: %s, trying shorter index name: %s" % (meta.object_name, str(e), index_name)
return collection.ensure_index(*args, name=index_name, **kwargs)

ensure_index.first_index = True

newstyle_indexes = getattr(meta, 'indexes', None)
Expand Down