"dandl" <da...@andl.org> writes:
> Are there specific requirements or things to do/avoid in order to use
> subtransactions (at the PL API level)?
There isn't, currently, any very hard-and-fast rule about what APIs
extensions should use or not use. My advice is to borrow freely
from existing PLs, particularly pl/pgsql. You might have to change
your code in future PG major versions, but that could happen anyway.
regards, tom lane
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