Created
August 9, 2012 15:08
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boss_db unique constraint
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| 4> T = tag:new(id, "erlang", false). | |
| {tag,id,"erlang",false} | |
| 5> T:save(). | |
| {error,{error,error,<<"23505">>, | |
| <<"duplicate key value violates unique constraint \"tags_name_key\"">>, | |
| [{detail,<<"Key (name)=(erlang) already exists.">>}]}} |
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