On 2020-Sep-07, Alvaro Herrera wrote:

> Well, they are fake in that the ri_RangeTableIndex they carry is bogus,
> which means that ExecBuildSlotValueDescription will misbehave if the
> partitioned default partition has a different column order than its
> parent.  That can be evidenced by changing the setup block in the
> isolation test as in the attached; and you'll get an undesirable error
> like this:
> 
> 2020-09-07 19:00:49.513 -03 [12981] ERROR:  attribute 2 of type record has 
> wrong type
> 2020-09-07 19:00:49.513 -03 [12981] DETAIL:  Table has type text, but query 
> expects integer.
> 2020-09-07 19:00:49.513 -03 [12981] STATEMENT:  insert into attach_tab values 
> (110, 'eleven and five twenties');

... and I sent before completing.  I'm not sure what a good fix for this
is.  We could try to initialize the resultRelInfo honestly, or we could
set ri_RangeTableIndex to some invalid value that will ... eh ... do
something else.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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