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## Problem
ref https://github.com/neondatabase/neon/issues/6188
## Summary of changes
This pull request fixes `-Wmissing-prototypes` for the neon extension.
Note that (1) the gcc version in CI and macOS is different, therefore
some of the warning does not get reported when developing the neon
extension locally. (2) the CI env variable `COPT = -Werror` does not get
passed into the docker build process, therefore warnings are not treated
as errors on CI.
e62baa9704/.github/workflows/build_and_test.yml (L22)
There will be follow-up pull requests on solving other warnings. By the
way, I did not figure out the default compile parameters in the CI env,
and therefore this pull request is tested by manually adding
`-Wmissing-prototypes` into the `COPT`.
Signed-off-by: Alex Chi Z <chi@neon.tech>
neon extension consists of several parts:
shared preload library neon.so
-
implements storage manager API and network communications with remote page server.
-
walproposer: implements broadcast protocol between postgres and WAL safekeepers.
-
control plane connector: Captures updates to roles/databases using ProcessUtility_hook and sends them to the control ProcessUtility_hook.
-
remote extension server: Request compute_ctl to download extension files.
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file_cache: Local file cache is used to temporary store relations pages in local file system for better performance.
-
relsize_cache: Relation size cache for better neon performance.
SQL functions in neon--*.sql
Utility functions to expose neon specific information to user and metrics collection. This extension is created in all databases in the cluster by default.