Re: Hook for Selectivity Estimation in Query Planning

2025-03-05 Thread Andrei Lepikhov
On 5/3/2025 19:50, Aleksander Alekseev wrote: Andrei, Matthias, Could you explain why you think the Pluggable TOASTer proposal was similar? [...] I merely pointed out that adding hooks without any particular value for the Postgres users was criticized before, see for instance: Thank you for y

Re: Hook for Selectivity Estimation in Query Planning

2025-03-05 Thread Aleksander Alekseev
Andrei, Matthias, > Could you explain why you think the Pluggable TOASTer proposal was similar? > [...] I merely pointed out that adding hooks without any particular value for the Postgres users was criticized before, see for instance: https://www.postgresql.org/message-id/20230206104917.sipa7nz

Re: Hook for Selectivity Estimation in Query Planning

2025-03-05 Thread Matthias van de Meent
On Wed, 5 Mar 2025 at 14:30, Aleksander Alekseev wrote: > > Hi, > > > I would like to discuss the introduction of a hook for evaluating the > > selectivity of an expression when searching for an optimal query plan. > > This topic has been brought up in various discussions, for example, in [1]. > >

Re: Hook for Selectivity Estimation in Query Planning

2025-03-05 Thread Andrei Lepikhov
On 5/3/2025 14:29, Aleksander Alekseev wrote: Hi, I would like to discuss the introduction of a hook for evaluating the selectivity of an expression when searching for an optimal query plan. This topic has been brought up in various discussions, for example, in [1]. [...] As I vaguely recall

Re: Hook for Selectivity Estimation in Query Planning

2025-03-05 Thread Aleksander Alekseev
Hi, > I would like to discuss the introduction of a hook for evaluating the > selectivity of an expression when searching for an optimal query plan. > This topic has been brought up in various discussions, for example, in [1]. > > [...] As I vaguely recall recent proposals like this ("Pluggable T

Hook for Selectivity Estimation in Query Planning

2025-03-05 Thread Andrei Lepikhov
Hi, I would like to discuss the introduction of a hook for evaluating the selectivity of an expression when searching for an optimal query plan. This topic has been brought up in various discussions, for example, in [1]. Currently, extensions that interact with the optimiser can only add the