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Allow deleting enumerated values from an existing enumerated data type - Mailing list pgsql-hackers

From Данил Столповских
Subject Allow deleting enumerated values from an existing enumerated data type
Date
Msg-id CAG7W4rpQn5vwKJ99sbXkdhgahPSCu=hOZhRqAq8i=ScAH8HRUg@mail.gmail.com
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Responses Re: Allow deleting enumerated values from an existing enumerated data type
Re: Allow deleting enumerated values from an existing enumerated data type
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Greetings, everyone!
I would like to offer my patch on the problem of removing values from enums

It adds support for expression ALTER TYPE <enum_name> DROP VALUE <value_name>

Added:
1. expression in grammar
2. function to drop enum values
3. regression tests
4. documentation
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