Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2023-03-02 14:33:35 -0500, Tom Lane wrote:
>> I looked through this, and there is one point that is making me really
>> uncomfortable. This bit is assuming that we can bind the address of
>> the es_param_exec_vals array right into the compiled expression:
> Yea, I wasn't super comfortable with that either. I concluded it's ok
> because we already cache pointers to the array inside each ExprContext.
ExprContext, sure, but compiled expressions? Considering what it
costs to JIT those, I think we ought to be trying to make them
fairly long-lived.
regards, tom lane