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Michael Paquier 5bace41abc Fix handling of escape sequences in postgres_fdw.application_name

postgres_fdw.application_name relies on MyProcPort to define the data
that should be added to escape sequences %u (user name) or %d (database
name).  However this code could be run in processes that lack a
MyProcPort, like an autovacuum process, causing crashes.

The code generating the application name is made more flexible with this
commit, so as it now generates no data for %u and %d if MyProcPort is
missing, and a simple "unknown" if MyProcPort exists, but the expected
fields are not set.

Reported-by: Alexander Lakhin
Author: Kyotaro Horiguchi, Michael Paquier
Reviewed-by: Hayato Kuroda, Masahiko Sawada
Discussion: https://postgr.es/m/17789-8b31c5a4672b74d9@postgresql.org
Backpatch-through: 15

2023-02-21 20:02:09 +09:00

expected

Fix handling of pending inserts in nodeModifyTable.c.

2022-11-25 17:45:01 +09:00

sql

Fix handling of pending inserts in nodeModifyTable.c.

2022-11-25 17:45:01 +09:00

.gitignore

Add postgres_fdw contrib module.

2013-02-21 05:27:16 -05:00

connection.c

Rename SetSingleFuncCall() to InitMaterializedSRF()