Hi,

I'm opening this thread after a brief discussion regarding a potential new syntax to enable annotations in pg_hba entries. [1]

This feature mainly aims to annotate pg_hba entries in a way that the annotations can be parsed and displayed in the pg_hba_file_rule view for reporting purposes. For instance, these annotations could contain information like tags, client (application) names or any relevant info regarding the granted access.

Initially I explored the possibility of using the inline comments after a '#', but there were a few valid concerns to this approach [2]

hostssl  db  jim  127.0.0.1/32  cert  map=foo  # comment

I had previously thought of introducing a new character do identify such annotations, e.g [] ... but the necessary changes in the hba.c to add this feature could add too much complexity to the code. [3]

Perhaps a "less controversial" option would be to add a new variable, just like with user name maps.

hostssl  db  jim  127.0.0.1/32  cert  map=foo  annotation=comment
hostssl  db  jim  127.0.0.1/32  cert  map=bar annotation="comment"

Any thoughts?

Thanks!

Jim

1- https://www.postgresql.org/message-id/flat/4d623899-36ac-71b5-311d-2a4672d75...@uni-muenster.de 2- https://www.postgresql.org/message-id/E543222B-DE8D-4116-BA67-3C2D3FA83110%40yesql.se 3- https://www.postgresql.org/message-id/flat/ZPHAiNp%2ByKMsa/vc%40paquier.xyz#05a8405be272342037538ee432d92884


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