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121 строка
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<TITLE> [Mono-bugs] [Bug 77630][Nor] New - Cannot remove a UniqueConstraint
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if any ForeignKeyConstraint exists
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<H1>[Mono-bugs] [Bug 77630][Nor] New - Cannot remove a UniqueConstraint
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if any ForeignKeyConstraint exists</H1>
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<B>bugzilla-daemon at bugzilla.ximian.com</B>
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<A HREF="mailto:mono-bugs%40lists.ximian.com?Subject=%5BMono-bugs%5D%20%5BBug%2077630%5D%5BNor%5D%20New%20-%20Cannot%20remove%20a%20UniqueConstraint%0A%09if%20any%20ForeignKeyConstraint%20exists&In-Reply-To=bug-77630%40chernobyl.ximian.com"
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TITLE="[Mono-bugs] [Bug 77630][Nor] New - Cannot remove a UniqueConstraint
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if any ForeignKeyConstraint exists">bugzilla-daemon at bugzilla.ximian.com
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</A><BR>
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<I>Thu Feb 23 15:50:39 EST 2006</I>
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integral enum value is not correct
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zero-length targetNamespace
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<!--beginarticle-->
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<PRE>Please do not reply to this email- if you want to comment on the bug, go to the
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URL shown below and enter your comments there.
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Changed by <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">prensing at cimetrics.com.</A>
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<A HREF="http://bugzilla.ximian.com/show_bug.cgi?id=77630">http://bugzilla.ximian.com/show_bug.cgi?id=77630</A>
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--- shadow/77630 2006-02-23 15:50:39.000000000 -0500
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+++ shadow/77630.tmp.4515 2006-02-23 15:50:39.000000000 -0500
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@@ -0,0 +1,47 @@
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+Bug#: 77630
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+Product: Mono: Class Libraries
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+Version: 1.1
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+OS:
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+OS Details:
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+Status: NEW
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+Resolution:
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+Severity:
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+Priority: Normal
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+Component: Sys.Data
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+AssignedTo: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">tsenganal at novell.com</A>
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+ReportedBy: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">prensing at cimetrics.com</A>
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+QAContact: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mono-bugs at ximian.com</A>
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+TargetMilestone: ---
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+URL:
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+Cc:
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+Summary: Cannot remove a UniqueConstraint if any ForeignKeyConstraint exists
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+
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+Please fill in this template when reporting a bug, unless you know what you
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+are doing.
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+Description of Problem:
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+When using a DataSet, I want to check that certain columns in one DataTable
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+are unique. To do this, I create a UniqueConstraint and add it to the
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+DataTable. I record any errors. I then want to remove the constraint. I do:
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+ dataSet.dataTable.Constraints.Remove( "constraintName" );
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+This always fails because it insists that I remove all the foreign key
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+constraints first.
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+
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+Note that the constraint I am adding is not related to the FK constaints.
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+It is probably reasonable to not allow UniqueConstraints to be remove if
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+their columns are members of FKs, but this is not the case.
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+
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+Steps to reproduce the problem:
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+1. Create a data set with a FK relation
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+2. Add a UniqueConstraint on some column(s) which are not in the FK
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+3. Try to remove it.
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+
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+Actual Results:
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+Complains that you need to remove the FK constraint first
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+
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+Expected Results:
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+Removes constraint.
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+
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+How often does this happen?
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+Always.
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+
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+Additional Information:
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</PRE>
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integral enum value is not correct
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zero-length targetNamespace
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