Horton

Re: WIP: expression evaluation improvements

Daniel Gustafsson <daniel@yesql.se>

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From: Daniel Gustafsson <daniel@yesql.se>
To: Soumyadeep Chakraborty <sochakraborty@pivotal.io>
Cc: Andres Freund <andres@anarazel.de>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2020-07-01T12:50:14Z
Lists: pgsql-hackers 
> On 3 Mar 2020, at 21:21, Soumyadeep Chakraborty <sochakraborty@pivotal.io> wrote:

> Attached is a patch on top of
> v2-0026-WIP-expression-eval-relative-pointer-suppport.patch that eliminates the
> const pointer references to fmgrInfo in the generated code.

Since the CFBot patch tester isn't to apply and test a patchset divided across
multiple emails, can you please submit the full patchset for consideration such
that we can get it to run in the CI?

cheers ./daniel

Commits

  1. Add special case fast-paths for strict functions

  2. Replace EEOP_DONE with special steps for return/no return

  3. jit: Reference expression step functions via llvmjit_types.

  4. jit: Remove redundancies in expression evaluation code generation.

  5. expression eval: Don't redundantly keep track of AggState.

  6. jit: Reference functions by name in IOCOERCE steps.

  7. expression eval, jit: Minor code cleanups.