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[1.2.X] Implemented changes made in r14320 in the Oracle backend. Tha…

…nks Russell for reviewing the proposed fix.

Backport of [14510] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14511 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 0f065d346dc4814d42374c9069ef0e232f6d9b7b 1 parent 7335388
@ramiro ramiro authored
Showing with 22 additions and 0 deletions.
  1. +22 −0 django/db/backends/oracle/base.py
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22 django/db/backends/oracle/base.py
@@ -396,6 +396,28 @@ def _cursor(self):
def _savepoint_commit(self, sid):
pass
+ def _commit(self):
+ if self.connection is not None:
+ try:
+ return self.connection.commit()
+ except Database.IntegrityError, e:
+ # In case cx_Oracle implements (now or in a future version)
+ # raising this specific exception
+ raise utils.IntegrityError, utils.IntegrityError(*tuple(e)), sys.exc_info()[2]
+ except Database.DatabaseError, e:
+ # cx_Oracle 5.0.4 raises a cx_Oracle.DatabaseError exception
+ # with the following attributes and values:
+ # code = 2091
+ # message = 'ORA-02091: transaction rolled back
+ # 'ORA-02291: integrity constraint (TEST_DJANGOTEST.SYS
+ # _C00102056) violated - parent key not found'
+ # We convert that particular case to our IntegrityError exception
+ x = e.args[0]
+ if hasattr(x, 'code') and hasattr(x, 'message') \
+ and x.code == 2091 and 'ORA-02291' in x.message:
+ raise utils.IntegrityError, utils.IntegrityError(*tuple(e)), sys.exc_info()[2]
+ raise utils.DatabaseError, utils.DatabaseError(*tuple(e)), sys.exc_info()[2]
+
class OracleParam(object):
"""
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