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Fixed #11017: Changed implementation of Oracle LIKE lookups to enable…

… index usage. Thanks to Jani Tiainen for this workaround.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12293 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 9cd1d6ed8760e7b53177fc452b64e50f6d3cc1f0 1 parent 65c1dfe
@ikelly ikelly authored
Showing with 6 additions and 6 deletions.
  1. +6 −6 django/db/backends/oracle/base.py
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12 django/db/backends/oracle/base.py
@@ -314,16 +314,16 @@ class DatabaseWrapper(BaseDatabaseWrapper):
operators = {
'exact': '= %s',
'iexact': '= UPPER(%s)',
- 'contains': "LIKEC %s ESCAPE '\\'",
- 'icontains': "LIKEC UPPER(%s) ESCAPE '\\'",
+ 'contains': "LIKE TRANSLATE(%s USING NCHAR_CS) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
+ 'icontains': "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
'gt': '> %s',
'gte': '>= %s',
'lt': '< %s',
'lte': '<= %s',
- 'startswith': "LIKEC %s ESCAPE '\\'",
- 'endswith': "LIKEC %s ESCAPE '\\'",
- 'istartswith': "LIKEC UPPER(%s) ESCAPE '\\'",
- 'iendswith': "LIKEC UPPER(%s) ESCAPE '\\'",
+ 'startswith': "LIKE TRANSLATE(%s USING NCHAR_CS) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
+ 'endswith': "LIKE TRANSLATE(%s USING NCHAR_CS) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
+ 'istartswith': "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
+ 'iendswith': "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
}
oracle_version = None
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