Dickson S. Guedes schrieb:
> - https://commitfest.postgresql.org/action/patch_view?id=907
> The patch is small and implements a new syntax to CREATE SCHEMA
> that allow the creation of a schema be skipped when IF NOT EXISTS is
> - Should this patch implements others INEs like ADD COLUMN IF NOT EXISTS?
If there's still a chance to improve the patch, I'd love to see
the following INEs implemented. Several real-world database
upgrade scripts would benefit from those:
CREATE [ TEMPORARY | TEMP ] SEQUENCE [ IF NOT EXISTS ] name ...
ALTER TABLE ... ADD [ COLUMN ] [ IF NOT EXISTS ] column_name ...
CREATE [ UNIQUE ] INDEX [ CONCURRENTLY ] [ IF NOT EXISTS ] [ name ] ON ...
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