I would like to ask how to set user privileges on accessing large
object?
I find the documentation on the command "grant" does not mention much
about this.
I has been trying to use Tcl to create large object in the database.
However, I can only create empty large object in the database. I fails
add content to any large object created. Because I find "pg_lo_open"
always fails to return a valid file descriptor every time.
Therefore, I wonder if it is related to the user privileges.
Thank you.
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
