Zdenek Belehrádek wrote:
> We
> would like to know if there is simple way to EXPLAIN the trigger function, so
> we could optimize it.

I believe that the auto_explain module could help you:
http://www.postgresql.org/docs/current/static/auto-explain.html

If you turn on "auto_explain.log_nested_statements" and set
"auto_explain.log_min_duration" low enough, the execution plans of
all SQL statements calle from a function will be logged.

Yours,
Laurenz Albe

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