Delete cascade and trigger permissions?

I seem to have a problem accessing a temp table from a trigger when I
use cascading deletes.

I have 2 tables: a main table and a child table. The child table has a
foreign key reference to the main table that has DELETE CASCADE on.

I have delete triggers on both tables that are run BEFORE DELETE.

All in the same db connection, I do the following:
1)create a temp table
2)delete rows from the main table
3)access the temp table in the delete trigger of the main table
4)access the temp table in the delete trigger of the child table -
FAILS!

When the trigger for the child table attempts to access the temp table,
it says "permission denied for relation temp_table".

ERROR: permission denied for relation temp_table
CONTEXT: SQL statement "SELECT field from temp_table"
PL/pgSQL function "trigger_child_delete" line 7 at select into variables
SQL statement "DELETE FROM ONLY "public"."child" WHERE "main_id" = $1"

Any thoughts? This is the only place we use cascading deletes in our
system so we haven't experienced this before. Our permissions are the
same on all triggers and all tables.

Thanks in advance.


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