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plpgsql: merge macroexpand into EVAL, add DEBUG-EVAL #705

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plpgsql: merge macroexpand into EVAL, add DEBUG-EVAL #705

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@asarhaddon asarhaddon force-pushed the plpgsql branch 8 times, most recently from 18c2fc7 to 4e529a0 Compare October 25, 2024 13:22
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plpgsql: merge evalASt {quasiquote,macro}expand, add DEBUG-EVAL
0bacaa1 
env.get: loop instead of a recursion, string parameter (merged with
vget), do not raise an exception when the key is missing.

Split eval_ast into eval_{symbol,vector,map} in order to reduce the
diff and improve readability of EVAL.

Use existing blocks to declare variables/constants near the place they
are actually used.  Several were unused.

Simplify try*, perform TCO.
@asarhaddon asarhaddon force-pushed the plpgsql branch 2 times, most recently from 53a2511 to af65425 Compare October 25, 2024 15:07
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This merge request also adds a test that ^2 is not interpreted as a symbol. The issue is also tested in stepA, but the reader macro should be tested before the metadata system.

As far as I know, the last optional failure was already present (throw always converts its argument to a string). I have not managed to fix it.

By the way, someone with more SQL skills could probably simplify the Dockerfile and/or merge wrap.sh into run.
I have managed to check the syntax as a normal user with the following commands (actually running the tests require dblink, which is not packaged).
The installation of the postgresql Debian package creates the postgres user (details in /usr/share/doc/postgresql-common/README.Debian.gz).

apt install -y postgresql postgresql-contrib
service postgresql start
sudo -u postgres createuser -DRS travis
sudo -u postgres createdb -O travis mal

Then the travis user can psql -dmal, then \cd to the directory and \i the .sql files.

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