Hi,
On June 9, 2019 8:36:37 AM PDT, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>"Goel, Dhruv" <goeldhru@amazon.com> writes:
>I think you are mistaken that doing transactional updates in pg_index
>is OK. If memory serves, we rely on xmin of the pg_index row for
>purposes
>such as detecting whether a concurrently-created index is safe to use
>yet.
We could replace that with storing a 64 xid in a normal column nowadays.
Andres
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