Fwd: duplicate key value violates unique constraint

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От Ashkar Dev
Тема Fwd: duplicate key value violates unique constraint
Дата
Msg-id CAHaowgUOCnKehQERBF0qN5gVnghbvr8AefdHhg3X9Aiu0vCaEw@mail.gmail.com
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Ответы RE: duplicate key value violates unique constraint
Re: duplicate key value violates unique constraint
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Hi all,

how to fix a problem, suppose there is a table with id and username

if I set the id to bigint so the limit is 9223372036854775807 
if I insert for example 3 rows
id    username
--    --------------
1     abc
2     def
3     ghi

if I delete all rows and insert one another it is like

id    username
--    --------------
4     jkl


So it doesn't start again from non-available id 1, so what is needed to do to make the new inserts go into non-available id numbers?

and if the id reaches the limit and maybe there is some ids that are not used.

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