Justin Pryzby <pry...@telsasoft.com> writes:
> On Tue, Jan 03, 2017 at 03:18:15PM -0500, Tom Lane wrote:
>> I'm wondering if this represents some sort of out-of-sync condition
>> between the table and its child tables.  We can't actually tell from
>> this trace which table is being processed.  Could you try, from this
>> breakpoint,
>> f 3
>> p oldrel->rd_rel->relname

> (gdb) p oldrel->rd_rel->relname
> $1 = {data = "eric_umts_rnc_utrancell_201701", '\000' <repeats 33 times>}

Right.  So I bet that if you check the attnum of pmsumpacketlatency_000 in
eric_umts_rnc_utrancell_metrics, you'll find it's different from that in
eric_umts_rnc_utrancell_201701, and that the attribute having that attnum
in eric_umts_rnc_utrancell_201701 has type smallint not int.

This is an expected situation in some situations where you ALTER existing
inheritance hierarchies; it's a bug that ALTER COLUMN is failing to cope.

                        regards, tom lane

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