Hi Matthew Shapiro
I think you are trying for uniq entry in join table(here
relationship_topics).That you can do on db level In the migration file
for this join table you can add after the creation of the table an index
like
add_index :relationship_topics, [:relationship_id, :topic_id], :unique
=> true
Then migrate as usual.Now the model save can be run inside a begin
end block
and rescue ActiveRecord::StatementInvalid error..You can also remove
the line
validates_uniqueness_of :topic, :scope => :relationship
from above
Sijo
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