[doc] plan invalidation when statistics are update - Mailing list pgsql-hackers

Hi,

AFAIU, when the planner statistics are updated, generic plans are 
invalidated and PostgreSQL recreates. However, the manual doesn't seem 
to explain it explicitly.

   https://www.postgresql.org/docs/devel/sql-prepare.html

I guess this case is included in 'whenever database objects used in the 
statement have definitional (DDL) changes undergone', but I feel it's 
hard to infer.

Since updates of the statistics can often happen, how about describing 
this case explicitly like an attached patch?


Regards,

--
Atsushi Torikoshi