Re: rw_redis_fdw: SQL Errors when statement is within a function

## GPT (gptmailinglists@gmail.com):

> So, this kind of switch after a few goes is a normal behavior or
> something unexpected which will change in future?

It's expected, and even documented (when you look at the user-level
interface):
https://www.postgresql.org/docs/current/static/sql-prepare.html
  Prepared statements can use generic plans rather than re-planning
  with each set of supplied EXECUTE values. This occurs immediately
  for prepared statements with no parameters; otherwise it occurs
  only after five or more executions produce plans whose estimated
  cost average (including planning overhead) is more expensive than
  the generic plan cost estimate.

Regards,
Christoph

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