Abbas Butt <> writes:
> What is happening for me is that PG_RE_THROW takes me to PG_TRY in the same
> function and then PG_TRY jumps to PG_CATCH where PG_RE_THROW again jumps to
> PG_TRY in the same function resulting in an infinite loop. The query
> therefore never returns. It is supposed to throw the error and quit.

Apparently PG_exception_stack isn't getting restored properly, but it's
sure hard to see why.  I'm suspicious that you have something silly like
mismatched braces in the vicinity of the TRY/CATCH structure.

FWIW, doing things like disconnecting remote sessions might be better
handled in transaction-cleanup logic, anyway.  What covers you for that
if the query aborts while control is not within your PG_TRY block?

                        regards, tom lane

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