On May 23, 2007, at 4:15 PM, Randall Smith wrote:
>
> With this relationship
>
> Record.mapper = sa.mapper(Record, records,
> properties={
> 'tinwsys' : sa.relation(Tinwsys, secondary=records_tinwsys,
> backref=sa.backref('efile_records')
> }
> )
>
> SA is deleting associated records in records_tinwsys when a Tinwsys
> record is deleted. This only occurs when backref is defined. The
> intended behavior is for nothing to happen to records_tinwsys when a
> Tinwsys record is deleted. How do I accomplish this?
what would the FK column in records_tinwsys reference if the parent
record is deleted ?
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