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d959523257
A unique index which is created with non-distinct NULLS cannot be used for backing a primary key constraint. Make sure to disallow such table alterations and teach pg_dump to drop the non-distinct NULLS clause on indexes where this has been set. Bug: 17720 Reported-by: Reiner Peterke <zedaardv@drizzle.com> Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/17720-dab8ee0fa85d316d@postgresql.org |
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