Re:JIT-Compiling SQL Queries in PostgreSQL Using LLVM
by AaronFriel on Monday February 22, 2021 @11:54AM
(#26226721)
Two reasons, I think:
* there isn't a general method of starting from a query plan and verifying it aligns to a particular query, which means you're very much on your own if you try to change it to something Postgres has not (or maybe cannot) generate
* there is no "ABI guarantee" on query plans, so you're locked into a particular build
* there isn't a general method of starting from a query plan and verifying it aligns to a particular query, which means you're very much on your own if you try to change it to something Postgres has not (or maybe cannot) generate
* there is no "ABI guarantee" on query plans, so you're locked into a particular build