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Fixed #4140: Documented the ORA-06552 error that can occur when a keyword is used as a field name in the Oracle notes.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@12346 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Ian Kelly
2010-01-28 22:12:18 +00:00
parent 59cccd1474
commit 1e64f57683
1 changed files with 8 additions and 0 deletions
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8
docs/ref/databases.txt
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@@ -608,6 +608,14 @@ 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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