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Code Issues 32 Releases Wiki Activity

Add a truncate_name method to shorten DB identifiers for Oracle

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git-svn-id: http://code.djangoproject.com/svn/django/branches/boulder-oracle-sprint@3972 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Boulder Sprinters 2006-11-04 20:18:55 +00:00
parent 23246ebd09
commit 6ab11188d5
1 changed files with 11 additions and 0 deletions
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11
django/db/backends/util.py
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@ -1,4 +1,5 @@
import datetime import datetime
import md5
from time import time from time import time
class CursorDebugWrapper(object): class CursorDebugWrapper(object):
@ -92,6 +93,16 @@ def typecast_boolean(s):
def rev_typecast_boolean(obj, d): def rev_typecast_boolean(obj, d):
return obj and '1' or '0' return obj and '1' or '0'
def truncate_name(name, length=None):
"""Shortens a string to a repeatable mangled version with the given length.
"""
if length is None or len(name) <= length:
return name
hash = md5.md5(name).hexdigest()[:4]
return '%s%s' % (name[:length-4], hash)
################################################################################## ##################################################################################
# Helper functions for dictfetch* for databases that don't natively support them # # Helper functions for dictfetch* for databases that don't natively support them #
################################################################################## ##################################################################################