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[1.1.X] Fixed #4140: Documented the ORA-06552 error that can occur wh…

…en a keyword is used as a field name in the Oracle notes. Backport of r12346 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12347 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit ab75fd4786563c4c178aa1164c96c826d0a88aa6 1 parent 32b573d
Ian Kelly ikelly authored
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  1. +8 −0 docs/ref/databases.txt
8 docs/ref/databases.txt
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@@ -593,6 +593,14 @@ Oracle imposes a name length limit of 30 characters. To accommodate this, the
backend truncates database identifiers to fit, replacing the final four
characters of the truncated name with a repeatable MD5 hash value.
+When running syncdb, an ``ORA-06552`` error may be encountered if
+certain Oracle keywords are used as the name of a model field or the
+value of a ``db_column`` option. Django quotes all identifiers used
+in queries to prevent most such problems, but this error can still
+occur when an Oracle datatype is used as a column name. In
+particular, take care to avoid using the names ``date``,
+``timestamp``, ``number`` or ``float`` as a field name.
+
NULL and empty strings
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