Re: BUG #15915: ALTER COLUMN SET DATA TYPE fails with index already exists

PG Bug reporting form <noreply@postgresql.org> writes:
> When attempting to set the data type on multiple columns in a single sql
> where the columns have indexes, the alter call fails. This previously worked
> on 9.6.6. 

Thanks for the report!  I believe this is the same issue already reported
and fixed at

https://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=da1041fc3

At least, your example doesn't fail for me on 9.6 branch tip.

            regards, tom lane