> My apologies if this is in the docs and I missed it, but is there a
> PL/pgSQL function equivalent for the pglib function PQtransactionStatus
> (i.e., a way to find out if we're in an open transaction block, and if
> that transaction is in an error status)?
A pl/pgsql function *always* executes within a transaction.
If an error occurs while that function is executing you can catch the
exception (see the "Trapping Errors" section of the pl/pgsql docs).
If an error occurs before the function executes then no other statements
will be executed.
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