Thomas Munro <mu...@ip9.org> writes:
> I couldn't find an existing reasonable place to share a single wait
> policy enumeration between parser/planner/executor and the heap access
> module, and I get the feeling that it would be unacceptable to
> introduce one.
There is a precedent in the form of AclMode, which is needed throughout
the system and is currently declared in parsenodes.h. I can't say I've
ever been particularly pleased with that arrangement though, since it
forces inclusion of parsenodes.h in many places that might not otherwise
have any interest in parse nodes.
It might be better if we'd declared AclMode in a single-purpose header,
say utils/aclmode.h, and then #include'd that into parsenodes.h.
There's certainly plenty of other single-datatype headers laying about.
regards, tom lane
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