On 2017-03-23 15:26:51 -0400, Tom Lane wrote:
> There is a test in privileges.sql (currently lines 589-625 in
> privileges.out) that seems to be dependent on the fact that the
> ArrayCoerceExpr logic doesn't check for EXECUTE privilege on the
> per-element type coercion function if it's dealing with a NULL input
> While fooling with Andres' faster-expressions patch, I moved the
> pg_proc_aclcheck call for this into expression compilation, causing
> that privileges.sql test to fail.
> Since Andres' patch moves ACL checks for regular function calls into
> expression compilation, I think it would be weird and inconsistent not
> to do so for ArrayCoerceExpr as well. Does anyone want to defend this
> privileges test case as testing for some behavior that users expect?
Not me - that seems quite sensible to change.
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