1. Introduction Recently, I have had an opportunity to perform some in-depth feasibility study in-memory table using PostgreSQL’s pluggable storage API. The pluggable storage API was introduced Since PostgreSQL v12 and it allowed custom table storage Access Methods (AM for short) to be developed. Some famous examples include zheap from
Server Programming Interface(SPI) is a module in the PostgreSQL kernel which allows kernel developers to execute SQL statements in C functions and have the ability to manage transactions. This module provides great convenience for PostgreSQL plug-in development through its characteristics so that developers can conveniently call various database languages in
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