Nested/recursive query execution - Mailing list pgsql-hackers

From Paresh Bafna
Subject Nested/recursive query execution
Date
Msg-id 435A103B.3020908@it.iitb.ac.in
Whole thread Raw
Responses Re: Nested/recursive query execution
List pgsql-hackers
Hi all,
I am new to postgres developement. Want some help.
Can we run nested query in postgres?
Means, can I do like -

When somequery is being executed (say "create database") it goes through
exec_simple_query():backend/tcop/postgres.c (if I am not wrong) then can
I call exec_simple_query() from createdb():backend/commands/dbcommands.c

Actually I tried to do that but I think portal used for "create
database" is still ACTIVE when I call exec_simple_again, and thats why
it give error like "can not drop portal - still active"

Is it due to exec_simple_query() creates unnamed portal?




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