Here is it: -- https://www.postgresql.org/docs/10/protocol-message-formats.html CommandComplete (B), string value of this section. I loaded log file (csv format) into postgres_log table as per below document and can see entries like: https://www.postgresql.org/docs/10/runtime-config-logging.html postgres=# select command_tag from postgres_log where command_tag is not null limit 5; command_tag ---------------- authentication authentication (5 rows) Regads, Virendra -----Original Message----- From: Adrian Klaver [mailto:adrian.klaver@xxxxxxxxxxx] Sent: Thursday, July 18, 2019 4:55 PM To: Kumar, Virendra; pgsql-general@xxxxxxxxxxxxxxxxxxxx Subject: Re: Possible Values of Command Tag in PG Log file On 7/18/19 12:58 PM, Kumar, Virendra wrote: > Hello Team, > > Can somebody redirect me to document which lists all possible value of > command tag in instance log of PostgreSQL instance. Can you show example of a command tag in the log? > > Regards, > > Virendra > > > ------------------------------------------------------------------------ > > This message is intended only for the use of the addressee and may contain > information that is PRIVILEGED AND CONFIDENTIAL. > > If you are not the intended recipient, you are hereby notified that any > dissemination of this communication is strictly prohibited. If you have > received this communication in error, please erase all copies of the message > and its attachments and notify the sender immediately. Thank you. -- Adrian Klaver adrian.klaver@xxxxxxxxxxx ________________________________ This message is intended only for the use of the addressee and may contain information that is PRIVILEGED AND CONFIDENTIAL. If you are not the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please erase all copies of the message and its attachments and notify the sender immediately. Thank you.