Hi, the existant configuration 
'table.optimizer.source.predicate-pushdown-enabled' seems to do what you want. 
Can you describe more clearly the difference between what you want and this 
configuration ?







--

    Best!
    Xuyang





At 2023-10-24 14:12:14, "Jiabao Sun" <jiabao....@xtransfer.cn.INVALID> wrote:
>Hi Devs,
>
>I would like to start a discussion on support configuration to disable filter 
>pushdown for Table/SQL Sources[1].
>
>Currently, Flink SQL does not support the ability for users to enable or 
>disable filter pushdown. 
>However, filter pushdown has some side effects, such as additional 
>computational pressure on external systems. 
>Moreover, Improper queries can lead to issues such as full table scans, which 
>in turn can impact the stability of external systems.
>
>I propose to support configuration to disable filter push down for Table/SQL 
>sources to let user decide whether to perform filter pushdown.
>
>Looking forward to your feedback.
>
>[1] 
>https://docs.google.com/document/d/1QsbOi9InvmfwFr8YbrnnXOKLPnb8JnqhXIMbGd68SFU/edit?usp=sharing
>
>Best,
>Jiabao

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