On Thu, Feb 2, 2023 at 7:31 PM jack...@gmail.com <jack...@gmail.com> wrote: > > Hi, I'm trying to construct a new tuple type, that's not heaptuple, > When I get a tupleTableSlot, I will get data info from it and then I > will constuct a new tuple, and now I need to put it into a physical > page, how should I do?
Postgres writes table pages from shared buffers/buffer pool to disk via storage manager (smgr.c). I think looking at the code around FlushBuffer()/FlushRelationBuffers()/smgrwrite() might help. -- Bharath Rupireddy PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com
