https://www.postgresql.org/docs/current/infoschema-table-constraints.html
"The view table_constraints contains all constraints belonging to tables
that the current user owns or has some privilege other than SELECT on."
thank you. that explains.
On 8/25/22 13:53, Ravi Krishna wrote:
Any idea why select on this table does not yield any output for a user
who otherwise can get output for other information_schema tables. Does
this table require any special privilege compared to other tables of
information_schema.
https://www.postgresql.
