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e111a2f9a5
This needs to be deployed to both staging and prod at the same off-peak time (and the schema migration run). At the time it is deployed, we need to make a few changes directly in the database: (1) UPDATE django_content_type set app_label='zerver' where app_label='zephyr'; (2) UPDATE south_migrationhistory set app_name='zerver' where app_name='zephyr'; (imported from commit eb3fd719571740189514ef0b884738cb30df1320)
13 lines
363 B
Python
13 lines
363 B
Python
from __future__ import absolute_import
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def last_n(n, query_set):
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"""Get the last n results from a Django QuerySet, in a semi-efficient way.
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Returns a list."""
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# We don't use reversed() because we would get a generator,
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# which causes bool(last_n(...)) to be True always.
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xs = list(query_set.reverse()[:n])
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xs.reverse()
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return xs
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