PKG-895: Allow citus and timescaledb to compile#600
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This commit reintroduces the old method signatures of some methods we changed to support pg_tde. The changed method signatures still exists with a "2" suffix, and all internal code calls the "2" methods. The reintroduced original methods also check a global flag which can disable them - if this happens, they report a FATAL error instead. This variable is activated by pg_tde, which means that if something tries to use these while pg_tde is loaded, and with that, possibly ignores its file tracking mechanism, it reports an error. In practice this means that timescaledb, or the columnar storage in citus won't work if pg_tde is loaded in the shared_preload_libraries, but they can be used with our distribution without pg_tde enabled. Also verified that both citus and timescaledb do compile with these changes, and their basic test suite can be run againts our fork.
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Let's talk about this patch again!
Same as before, only for the PSP18 branch for now, 17 needs the same changes of course.
The pg_tde repo will need a matching
change if we go with this patch as-is.
This commit reintroduces the old method signatures of some methods we changed to support pg_tde. The changed method signatures still exists with a "2" suffix, and all internal code calls the "2" methods.
The reintroduced original methods also check a global flag which can disable them - if this happens, they report a FATAL error instead. This variable is activated by pg_tde, which means that if something tries to use these while pg_tde is loaded, and with that, possibly ignores its file tracking mechanism, it reports an error.
In practice this means that timescaledb, or the columnar storage in citus won't work if pg_tde is loaded in the shared_preload_libraries, but they can be used with our distribution without pg_tde enabled.
Also verified that both citus and timescaledb do compile with these changes, and their basic test suite can be run againts our fork.